GNU bug report logs - #31878
Module autoloading is not thread safe

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Package: guile; Severity: serious; Reported by: ludo@HIDDEN (Ludovic Courtès); dated Mon, 18 Jun 2018 09:44:02 UTC; Maintainer for guile is bug-guile@HIDDEN.
Did not alter fixed versions and reopened. Request was from Debbugs Internal Request <help-debbugs@HIDDEN> to internal_control <at> debbugs.gnu.org. Full text available.
bug unarchived. Request was from Mark H Weaver <mhw@HIDDEN> to control <at> debbugs.gnu.org. Full text available.
Did not alter fixed versions and reopened. Request was from Debbugs Internal Request <help-debbugs@HIDDEN> to internal_control <at> debbugs.gnu.org. Full text available.
bug archived. Request was from Debbugs Internal Request <help-debbugs@HIDDEN> to internal_control <at> debbugs.gnu.org. Full text available.

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From: ludo@HIDDEN (Ludovic =?utf-8?Q?Court=C3=A8s?=)
To: 31878-done <at> debbugs.gnu.org
Subject: Re: bug#31878: Module autoloading is not thread safe
References: <87k1qwwhu2.fsf@HIDDEN> <878t7cwdqu.fsf@HIDDEN>
Date: Mon, 18 Jun 2018 14:17:52 +0200
In-Reply-To: <878t7cwdqu.fsf@HIDDEN> ("Ludovic
 \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\=
 \=\?utf-8\?Q\?s\?\= message of "Mon, 18 Jun 2018 13:11:37 +0200")
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ludo@HIDDEN (Ludovic Court=C3=A8s) skribis:

> ludo@HIDDEN (Ludovic Court=C3=A8s) skribis:
>
>> I believe this comes from the fact that =E2=80=98autoloads-done=E2=80=99=
 and related
>> alists in (ice-9 boot-9) are manipulated in a non-thread-safe fashion.
>
> Here=E2=80=99s a proposed fix for =E2=80=98stable-2.2=E2=80=99 as discuss=
ed on #guile, Andy:

After further discussion on IRC, I pushed a variant of this patch as
commit 761cf0fb8c364e885e4c6fced34563f8157c3b84.

Ludo=E2=80=99.




Notification sent to ludo@HIDDEN (Ludovic Courtès):
bug acknowledged by developer. Full text available.
Reply sent to ludo@HIDDEN (Ludovic Courtès):
You have taken responsibility. Full text available.

Message received at 31878 <at> debbugs.gnu.org:


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From: ludo@HIDDEN (Ludovic =?utf-8?Q?Court=C3=A8s?=)
To: 31878 <at> debbugs.gnu.org, Andy Wingo <wingo@HIDDEN>
Subject: Re: bug#31878: Module autoloading is not thread safe
References: <87k1qwwhu2.fsf@HIDDEN>
Date: Mon, 18 Jun 2018 13:11:37 +0200
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 \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\=
 \=\?utf-8\?Q\?s\?\= message of "Mon, 18 Jun 2018 11:43:17 +0200")
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--=-=-=
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ludo@HIDDEN (Ludovic Court=C3=A8s) skribis:

> I believe this comes from the fact that =E2=80=98autoloads-done=E2=80=99 =
and related
> alists in (ice-9 boot-9) are manipulated in a non-thread-safe fashion.

Here=E2=80=99s a proposed fix for =E2=80=98stable-2.2=E2=80=99 as discussed=
 on #guile, Andy:


--=-=-=
Content-Type: text/x-patch
Content-Disposition: inline

diff --git a/module/ice-9/boot-9.scm b/module/ice-9/boot-9.scm
index 4e51e9281..960cb9fa3 100644
--- a/module/ice-9/boot-9.scm
+++ b/module/ice-9/boot-9.scm
@@ -1,6 +1,6 @@
 ;;; -*- mode: scheme; coding: utf-8; -*-
 
-;;;; Copyright (C) 1995-2014, 2016-2017  Free Software Foundation, Inc.
+;;;; Copyright (C) 1995-2014, 2016-2018  Free Software Foundation, Inc.
 ;;;;
 ;;;; This library is free software; you can redistribute it and/or
 ;;;; modify it under the terms of the GNU Lesser General Public
@@ -2952,8 +2952,11 @@ module '(ice-9 q) '(make-q q-length))}."
 ;;; {Autoloading modules}
 ;;;
 
-;;; XXX FIXME autoloads-in-progress and autoloads-done
-;;;           are not handled in a thread-safe way.
+(define (call-with-module-autoload-lock thunk)
+  ;; This binding is overridden when (ice-9 threads) is available to
+  ;; implement a critical section around the call to THUNK.  It must be
+  ;; used anytime the autoload variables below are used.
+  (thunk))
 
 (define autoloads-in-progress '())
 
@@ -2973,37 +2976,40 @@ but it fails to load."
                                                 file-name-separator-string))
                                dir-hint-module-name))))
     (resolve-module dir-hint-module-name #f)
-    (and (not (autoload-done-or-in-progress? dir-hint name))
-         (let ((didit #f))
-           (dynamic-wind
-            (lambda () (autoload-in-progress! dir-hint name))
-            (lambda ()
-              (with-fluids ((current-reader #f))
-                (save-module-excursion
-                 (lambda () 
-                   (define (call/ec proc)
-                     (let ((tag (make-prompt-tag)))
-                       (call-with-prompt
-                        tag
-                        (lambda ()
-                          (proc (lambda () (abort-to-prompt tag))))
-                        (lambda (k) (values)))))
-                   ;; The initial environment when loading a module is a fresh
-                   ;; user module.
-                   (set-current-module (make-fresh-user-module))
-                   ;; Here we could allow some other search strategy (other than
-                   ;; primitive-load-path), for example using versions encoded
-                   ;; into the file system -- but then we would have to figure
-                   ;; out how to locate the compiled file, do auto-compilation,
-                   ;; etc. Punt for now, and don't use versions when locating
-                   ;; the file.
-                   (call/ec
-                    (lambda (abort)
-                      (primitive-load-path (in-vicinity dir-hint name)
-                                           abort)
-                      (set! didit #t)))))))
-            (lambda () (set-autoloaded! dir-hint name didit)))
-           didit))))
+
+    (call-with-module-autoload-lock
+     (lambda ()
+       (and (not (autoload-done-or-in-progress? dir-hint name))
+            (let ((didit #f))
+              (dynamic-wind
+                (lambda () (autoload-in-progress! dir-hint name))
+                (lambda ()
+                  (with-fluids ((current-reader #f))
+                    (save-module-excursion
+                     (lambda () 
+                       (define (call/ec proc)
+                         (let ((tag (make-prompt-tag)))
+                           (call-with-prompt
+                               tag
+                             (lambda ()
+                               (proc (lambda () (abort-to-prompt tag))))
+                             (lambda (k) (values)))))
+                       ;; The initial environment when loading a module is a fresh
+                       ;; user module.
+                       (set-current-module (make-fresh-user-module))
+                       ;; Here we could allow some other search strategy (other than
+                       ;; primitive-load-path), for example using versions encoded
+                       ;; into the file system -- but then we would have to figure
+                       ;; out how to locate the compiled file, do auto-compilation,
+                       ;; etc. Punt for now, and don't use versions when locating
+                       ;; the file.
+                       (call/ec
+                        (lambda (abort)
+                          (primitive-load-path (in-vicinity dir-hint name)
+                                               abort)
+                          (set! didit #t)))))))
+                (lambda () (set-autoloaded! dir-hint name didit)))
+              didit))))))
 
 
 
@@ -4061,6 +4067,19 @@ when none is available, reading FILE-NAME with READER."
 ;; Load (ice-9 threads), initializing some internal data structures.
 (resolve-interface '(ice-9 threads))
 
+(set! call-with-module-autoload-lock
+  (let* ((threads (resolve-module '(ice-9 threads)))
+         (mutex   ((module-ref threads 'make-mutex) 'recursive))
+         (lock    (module-ref threads 'lock-mutex))
+         (unlock  (module-ref threads 'unlock-mutex)))
+    (lambda (thunk)
+      (dynamic-wind
+        (lambda ()
+          (lock mutex))
+        thunk
+        (lambda ()
+          (unlock mutex))))))
+
 
 
 ;;; SRFI-4 in the default environment.  FIXME: we should figure out how

--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable


How does that look?

Thanks,
Ludo=E2=80=99.

--=-=-=--




Information forwarded to bug-guile@HIDDEN:
bug#31878; Package guile. Full text available.
Severity set to 'serious' from 'normal' Request was from ludo@HIDDEN (Ludovic Courtès) to control <at> debbugs.gnu.org. Full text available.

Message received at submit <at> debbugs.gnu.org:


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From: ludo@HIDDEN (Ludovic =?utf-8?Q?Court=C3=A8s?=)
To: bug-guile@HIDDEN
Subject: Module autoloading is not thread safe
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Hello,

The backtrace below (from Guile 2.2.3) shows the Guix multi-threaded
module compilation code crashing with an incorrect module resolution
failure (incorrect because the module does exist.)

I believe this comes from the fact that =E2=80=98autoloads-done=E2=80=99 an=
d related
alists in (ice-9 boot-9) are manipulated in a non-thread-safe fashion.
Notice that a couple of threads in the backtrace are effectively
running:

  (member x autoloads-done)

Thanks,
Ludo=E2=80=99.

--8<---------------cut here---------------start------------->8---
$ out=3D/tmp/t NIX_BUILD_CORES=3D8 setarch x86_64 -R gdb --args  guile "--n=
o-auto-compile" "-L" . "-C" . "/gnu/store/815przlfissan60p4bdn7cipfidc3q29-=
guix-extra-builder"=20=20=20=20=20=20=20=20
GNU gdb (GDB) 8.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
ERROR: In procedure type-pointer:
ERROR: In procedure gdbscm_type_pointer: Wrong type argument in position 1 =
(expecting gdb:type): #f
/home/ludo/.gdbinit:8: Error in sourced command file:
Error while executing Scheme code.
Reading symbols from guile...Reading symbols from /gnu/store/nlkf6c702f8c6w=
sadbmib0w0mnxccqdi-guile-2.2.3-debug/lib/debug//gnu/store/1mr5izrbxwd7cbq8m=
1xrqm45rzkibpsj-guile-2.2.3/bin/guile.debug...
done.=20
done.=20
(gdb) shell rm -rf /tmp/t
(gdb) r
Starting program: /gnu/store/gdmn1al64y4366q5nb0v87qdv0q6xpmp-profile/bin/g=
uile --no-auto-compile -L . -C . /gnu/store/815przlfissan60p4bdn7cipfidc3q2=
9-guix-extra-builder
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/gnu/store/l4lr0f5cjd0nbsaaf8b5dmcw1a1yypr=
3-glibc-2.27/lib/libthread_db.so.1".
[New Thread 0x7ffff5e56700 (LWP 6455)]
[New Thread 0x7ffff5655700 (LWP 6456)]
[New Thread 0x7ffff4e54700 (LWP 6457)]
[New Thread 0x7ffff3ee8700 (LWP 6458)]
loading...       97.2% of 109 filesrandom seed for tests: 1529311210
loading...      100.0% of 109 files[New Thread 0x7fffe9c11700 (LWP 6460)]
compiling...      0.0% of 109 files[New Thread 0x7fffe9410700 (LWP 6461)]
com[New Thread 0x7fffe8c0f700 (LWP 6462)]
compiling...      0.0% of 109 files[New Thread 0x7fffe3fff700 (LWP 6463)]
compil[New Thread 0x7fffe37fe700 (LWP 6464)]
compiling...0% o  0.0% of 109 files[New Thread 0x7fffe2ffd700 (LWP 6465)]
compiling...    [New Thread 0x7fffe27fc700 (LWP 6466)]
c[New Thread 0x7fffe1ffb700 (LWP 6467)]
ompiling...       0.0% of 109 filesException thrown while printing backtrac=
e:
In procedure Exception thrown while printing backtrace:
In procedure private-lookup: Module named (rnrs bytevectors) does not exist
Exception thrown while printing backtrace:
In procedure private-lookup: Module named (rnrs bytevectors) does not exist
Exception thrown while printing backtrace:
In procedure private-lookup: Module named (rnrs bytevectors) does not exist

Thread 11 "guile" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffe2ffd700 (LWP 6465)]
__GI_raise (sig=3Dsig@entry=3D6) at ../sysdeps/unix/sysv/linux/raise.c:51
51      ../sysdeps/unix/sysv/linux/raise.c: Dosiero a=C5=AD dosierujo ne ek=
zistas.
(gdb) thread apply all bt

Thread 13 (Thread 0x7fffe1ffb700 (LWP 6467)):
#0  clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:78
#1  0x00007ffff76204a0 in ?? () at pthread_create.c:361 from /gnu/store/l4l=
r0f5cjd0nbsaaf8b5dmcw1a1yypr3-glibc-2.27/lib/libpthread.so.0
#2  0x00007fffe1ffb700 in ?? ()
#3  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fffe27fc700 (LWP 6466)):
#0  0x00007ffff76299df in __libc_write (fd=3Dfd@entry=3D37, buf=3Dbuf@entry=
=3D0x15dcda0, nbytes=3Dnbytes@entry=3D13) at ../sysdeps/unix/sysv/linux/wri=
te.c:27
#1  0x00007ffff7b052ce in fport_write (port=3D<optimized out>, src=3D<optim=
ized out>, start=3D<optimized out>, count=3D13) at fports.c:597
#2  0x00007ffff7b34d0c in scm_i_write_bytes (port=3D#<port 13 1262640>, src=
=3D"#<vu8vector>" =3D {...}, start=3D0, count=3D13) at ports.c:2857
#3  0x00007ffff7b37671 in scm_c_put_latin1_chars (port=3D#<port 13 1262640>=
, chars=3D<optimized out>, len=3D13) at ports.c:3457
#4  0x00007ffff7b39e95 in scm_simple_format (destination=3D#<port 13 126264=
0>, message=3D"In procedure ~a: ", args=3D("private-lookup")) at print.c:11=
73
#5  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x25, vp=3D0x804b40, =
registers=3D0xd, resume=3D-144533025) at vm-engine.c:784
#6  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 756ca0>, argv=3Dargv=
@entry=3D0x7fffe27faef0, nargs=3Dnargs@entry=3D4) at vm.c:1257
#7  0x00007ffff7af7f94 in scm_call_4 (proc=3D<optimized out>, arg1=3Darg1@e=
ntry=3D#<port 13 1262640>, arg2=3Darg2@entry=3D#f, arg3=3Darg3@entry=3Dmisc=
-error,=20
    arg4=3Darg4@entry=3D("private-lookup" "Module named ~s does not exist" =
((rnrs bytevectors)) #f)) at eval.c:508
#8  0x00007ffff7ae9e13 in scm_print_exception (port=3Dport@entry=3D#<port 1=
3 1262640>, frame=3Dframe@entry=3D#f, key=3Dkey@entry=3Dmisc-error,=20
    args=3Dargs@entry=3D("private-lookup" "Module named ~s does not exist" =
((rnrs bytevectors)) #f)) at backtrace.c:113
#9  0x00007ffff7ae9eaf in error_during_backtrace (data=3D0x1262640, tag=3Dm=
isc-error, throw_args=3D("private-lookup" "Module named ~s does not exist" =
((rnrs bytevectors)) #f)) at backtrace.c:257
#10 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x25, vp=3D0x804b40, =
registers=3D0xd, resume=3D-144533025) at vm-engine.c:784
#11 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D<error reading va=
riable: ERROR: Cannot access memory at address 0x0>0x12625c0, argv=3D<optim=
ized out>, nargs=3D5) at vm.c:1257
#12 0x00007ffff7af828b in scm_apply_0 (proc=3Dproc@entry=3D<error reading v=
ariable: ERROR: Cannot access memory at address 0x0>0x12625c0, args=3D()) a=
t eval.c:594
#13 0x00007ffff7b6408f in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 12625e0>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x12625c0,=20
    pre_unwind_handler=3D#f) at throw.c:134
#14 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#15 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7ae9a90 <display_backtrace_body>, body_data=3Dbody_data@entry=
=3D0x7fffe27fb320,=20
    handler=3Dhandler@entry=3D0x7ffff7ae9e80 <error_during_backtrace>, hand=
ler_data=3D<optimized out>, pre_unwind_handler=3Dpre_unwind_handler@entry=
=3D0x0, pre_unwind_handler_data=3D0x0) at throw.c:377
#16 0x00007ffff7b6452e in scm_internal_catch (tag=3Dtag@entry=3D#t, body=3D=
body@entry=3D0x7ffff7ae9a90 <display_backtrace_body>, body_data=3Dbody_data=
@entry=3D0x7fffe27fb320,=20
    handler=3Dhandler@entry=3D0x7ffff7ae9e80 <error_during_backtrace>, hand=
ler_data=3D<optimized out>) at throw.c:386
#17 0x00007ffff7ae9a85 in scm_display_backtrace_with_highlights (stack=3D<o=
ptimized out>, port=3D<optimized out>, first=3D<optimized out>, depth=3D<op=
timized out>, highlights=3D<optimized out>)
    at backtrace.c:282
#18 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x25, vp=3D0x804b40, =
registers=3D0xd, resume=3D-144533025) at vm-engine.c:784
#19 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 756d00>=
, argv=3D<optimized out>, nargs=3D5) at vm.c:1257
#20 0x00007ffff7af828b in scm_apply_0 (proc=3D#<program 756d00>, args=3D())=
 at eval.c:594
#21 0x00007ffff7af8e8d in scm_apply_1 (proc=3D<optimized out>, arg1=3Darg1@=
entry=3Dmisc-error, args=3D<optimized out>) at eval.c:600
#22 0x00007ffff7b643ac in scm_throw (key=3Dkey@entry=3Dmisc-error, args=3D<=
optimized out>) at throw.c:266
#23 0x00007ffff7b64925 in scm_ithrow (key=3Dkey@entry=3Dmisc-error, args=3D=
<optimized out>, no_return=3Dno_return@entry=3D1) at throw.c:611
#24 0x00007ffff7af6495 in scm_error_scm (key=3Dmisc-error, subr=3D<optimize=
d out>, message=3D<optimized out>, args=3D<optimized out>, data=3D<optimize=
d out>) at error.c:94
#25 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x25, vp=3D0x804b40, =
registers=3D0xd, resume=3D-144533025) at vm-engine.c:784
#26 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 121dfe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#27 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 121dfe0=
>) at eval.c:481
#28 0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
121dfe0>) at async.c:400
#29 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x25, vp=3D0x804b40, =
registers=3D0xd, resume=3D-144533025) at vm-engine.c:784
#30 0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651e00>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#31 0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#32 0x00007ffff7b62b16 in really_launch (d=3D0x1653ac0) at threads.c:794
#33 0x00007ffff7af22da in c_body (d=3D0x7fffe27fbe50) at continuations.c:422
#34 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x25, vp=3D0x804b40, =
registers=3D0xd, resume=3D-144533025) at vm-engine.c:784
#35 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 12049a0>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#36 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 12049a0>) at eval.c:481
#37 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 12049a0>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x1204980,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x1204960) at throw.c:137
#38 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#39 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe27fbe50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe27fbe50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#40 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe27fbe50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe27fbe50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#41 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#42 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe27fbeb8, data=3D0x7fffe=
27fbee0) at threads.c:661
#43 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#44 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653ac0, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#45 launch_thread (d=3D0x1653ac0) at threads.c:803
#46 0x00007ffff7620567 in start_thread (arg=3D0x7fffe27fc700) at pthread_cr=
eate.c:463
#47 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 11 (Thread 0x7fffe2ffd700 (LWP 6465)):
#0  __GI_raise (sig=3Dsig@entry=3D6) at ../sysdeps/unix/sysv/linux/raise.c:=
51
#1  0x00007ffff5e8cc31 in __GI_abort () at abort.c:79
#2  0x00007ffff7b780bd in scm_dynamic_call (func=3D<optimized out>, dobj=3D=
<optimized out>) at dynl.c:393
#3  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x2, vp=3D0x804bd0, r=
egisters=3D0x0, resume=3D-169297328) at vm-engine.c:784
#4  0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 1574fe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#5  0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 1574fe0=
>) at eval.c:481
#6  0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
1574fe0>) at async.c:400
#7  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x2, vp=3D0x804bd0, r=
egisters=3D0x0, resume=3D-169297328) at vm-engine.c:784
#8  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651e40>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#9  0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#10 0x00007ffff7b62b16 in really_launch (d=3D0x1653b00) at threads.c:794
#11 0x00007ffff7af22da in c_body (d=3D0x7fffe2ffce50) at continuations.c:422
#12 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x2, vp=3D0x804bd0, r=
egisters=3D0x0, resume=3D-169297328) at vm-engine.c:784
#13 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1564a80>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#14 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1564a80>) at eval.c:481
#15 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 1564a80>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x1564a60,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x1564a40) at throw.c:137
#16 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#17 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe2ffce50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe2ffce50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#18 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe2ffce50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe2ffce50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#19 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#20 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe2ffceb8, data=3D0x7fffe=
2ffcee0) at threads.c:661
#21 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#22 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653b00, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#23 launch_thread (d=3D0x1653b00) at threads.c:803
#24 0x00007ffff7620567 in start_thread (arg=3D0x7fffe2ffd700) at pthread_cr=
eate.c:463
#25 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 10 (Thread 0x7fffe37fe700 (LWP 6464)):
#0  0x00007ffff7af5eba in scm_equal_p (x=3D"guix/import/", y=3D"guix/build/=
") at eq.c:326
#1  0x00007ffff7af5ed2 in scm_equal_p (x=3D("guix/import/" . "gnome"), y=3D=
y@entry=3D("guix/build/" . "bournish")) at eq.c:299
#2  0x00007ffff7b145bb in scm_member (x=3D("guix/build/" . "bournish"),=20
    lst=3D(("guix/import/" . "gnome") ("guix/import/" . "github") ("guix/im=
port/" . "gem") ("guix/import/" . "elpa") ("guix/import/" . "crate") ("srfi=
/" . "srfi-2") ("guix/import/" . "cran") ("guix/import/" . "cpan") ("guix/i=
mport/" . "json") ("guix/import/" . "utils") ("srfi/" . "srfi-41") ("gnu/" =
. "packages") ("guix/import/" . "cabal") ("system/base/" . "lalr") ("guix/"=
 . "hg-download") ("guix/" . "graph") ("guix/" . "gnu-maintenance") ("guix/=
" . "upstream") ("guix/" . "gnupg") ("guix/" . "download") ("guix/" . "disc=
overy") ("guix/" . "glob") ("guix/" . "git") ("" . "git") ("git/" . "tag") =
("git/" . "status") ("git/" . "settings") ("git/" . "rev-parse") ("git/" . =
"remote") ("git/" . "reset") ("git/" . "fetch") ("git/" . "cred") ("git/" .=
 "errors") ("git/" . "commit") ("git/" . "object") ("git/" . "tree") ("git/=
" . "oid") ("git/" . "clone") ("git/" . "repository") ("git/" . "branch") (=
"git/" . "reference") ("git/" . "bindings") ("git/" . "structs") ("bytestru=
ctures/" . "guile") ("bytestructures/guile/" . "cstring-pointer") ("bytestr=
uctures/guile/" . "string") ("bytestructures/guile/" . "numeric") ("bytestr=
uctures/guile/" . "pointer") ("bytestructures/guile/" . "union") ("bytestru=
ctures/guile/" . "struct") ("bytestructures/guile/" . "bitfields") ("bytest=
ructures/guile/" . "numeric-metadata") ("bytestructures/guile/" . "numeric-=
all") ("bytestructures/guile/" . "numeric-data-model") ("bytestructures/gui=
le/" . "explicit-endianness") ("bytestructures/guile/" . "vector") ("bytest=
ructures/guile/" . "base") ("bytestructures/guile/" . "utils") ("bytestruct=
ures/guile/" . "bytevectors") ("bytestructures/r6/" . "bytevectors") ("git/=
" . "types") ("git/" . "config") ("guix/" . "git-download") ("guix/" . "doc=
ker") ("" . "json") ("json/" . "parser") ("json/" . "builder") ("guix/" . "=
cvs-download") ("guix/" . "cve") ("guix/" . "cpio") ("guix/" . "ci") ("guix=
/" . "http-client") ("guix/" . "ui") ("texinfo/" . "plain-text") ("texinfo/=
" . "string-utils") ("srfi/" . "srfi-14") ("" . "texinfo") ("guix/" . "lice=
nses") ("guix/" . "profiles") ("guix/" . "i18n") ("guix/" . "cache") ("guix=
/build-system/" . "waf") ("guix/build-system/" . "texlive") ("guix/" . "svn=
-download") ("guix/build-system/" . "scons") ("guix/build-system/" . "ruby"=
) ("guix/build-system/" . "r") ("guix/build-system/" . "python") ("guix/bui=
ld-system/" . "perl") ("guix/build-system/" . "ocaml") ("guix/build-system/=
" . "minify") ("guix/build-system/" . "meson") ("guix/build-system/" . "has=
kell") ("guix/build-system/" . "go") ("guix/build-system/" . "glib-or-gtk")=
 ("guix/build-system/" . "font") ("guix/build-system/" . "emacs") ("guix/bu=
ild-system/" . "dub") ("guix/build-system/" . "cmake") ("guix/build-system/=
" . "cargo") ("guix/build-system/" . "asdf") ("guix/build-system/" . "ant")=
 ("guix/build-system/" . "android-ndk") ("guix/build-system/" . "gnu") ("gu=
ix/" . "packages") ("guix/" . "build-system") ("guix/" . "gexp") ("guix/" .=
 "grafts") ("guix/" . "derivations") ("guix/" . "store") ("" . "gnutls") ("=
guix/" . "hash") ("guix/" . "gcrypt") ("guix/" . "base32") ("guix/" . "base=
16") ("guix/" . "monads") ("system/" . "syntax") ("guix/" . "utils") ("srfi=
/" . "srfi-39") ("guix/" . "search-paths") ("guix/build/" . "waf-build-syst=
em") ("guix/build/" . "texlive-build-system") ("guix/build/" . "union") ("g=
uix/build/" . "svn") ("guix/build/" . "store-copy") ("guix/build/" . "scons=
-build-system") ("guix/build/" . "ruby-build-system") ("guix/build/" . "r-b=
uild-system") ("guix/build/" . "qt-utils") ("guix/build/" . "python-build-s=
ystem") ("guix/build/" . "pull") ("guix/build/" . "perl-build-system") ("gu=
ix/build/" . "ocaml-build-system") ("guix/build/" . "minify-build-system") =
("guix/build/" . "meson-build-system") ("guix/build/" . "rpath") ("guix/bui=
ld/" . "make-bootstrap") ("guix/build/" . "java-utils") ("guix/build/" . "h=
g") ("guix/build/" . "haskell-build-system") ("guix/build/" . "graft") ("gu=
ix/build/" . "go-build-system") ("guix/build/" . "gnu-dist") ("guix/build/"=
 . "glib-or-gtk-build-system") ("guix/build/" . "git") ("guix/build/" . "fo=
nt-build-system") ("guix/build/" . "emacs-build-system") ("guix/build/" . "=
emacs-utils") ("guix/build/" . "dub-build-system") ("guix/build/" . "downlo=
ad-nar") ("guix/" . "zlib") ("guix/" . "config") ("guix/" . "serialization"=
) ("guix/" . "combinators") ("guix/build/" . "download") ("guix/" . "progre=
ss") ("guix/" . "records") ("guix/" . "ftp-client") ("srfi/" . "srfi-31") (=
"guix/" . "base64") ("" . "rnrs") ("rnrs/" . "unicode") ("rnrs/" . "sorting=
") ("rnrs/" . "programs") ("rnrs/io/" . "simple") ("rnrs/arithmetic/" . "fl=
onums") ("rnrs/" . "r5rs") ("ice-9/" . "r5rs") ("ice-9/" . "safe-r5rs") ("i=
ce-9/" . "null") ("rnrs/arithmetic/" . "fixnums") ("web/" . "client") ("web=
/" . "response") ("web/" . "request") ("web/" . "http") ("ice-9/" . "textua=
l-ports") ("web/" . "uri") ("guix/build/" . "cvs") ("guix/build/" . "cmake-=
build-system") ("guix/build/" . "cargo-build-system") ("guix/build/" . "bou=
rnish") ("system/repl/" . "command") ("" . "statprof") ("ice-9/" . "and-let=
-star") ("ice-9/" . "session") ("ice-9/" . "documentation") ("system/vm/" .=
 "trap-state") ("system/vm/" . "trace") ("system/vm/" . "traps") ("system/"=
 . "xref") ("system/repl/" . "debug") ("system/vm/" . "inspect") ("ice-9/" =
. "pretty-print") ("system/vm/" . "frame") ("system/vm/" . "disassembler") =
("system/repl/" . "common") ("ice-9/" . "history") ("guix/build/" . "asdf-b=
uild-system") ("guix/build/" . "lisp-utils") ("ice-9/" . "hash-table") ("gu=
ix/build/" . "ant-build-system") ("sxml/" . "simple") ("sxml/" . "transform=
") ("sxml/" . "ssax") ("sxml/ssax/" . "input-parse") ("guix/build/" . "andr=
oid-ndk-build-system") ("ice-9/" . "popen") ("guix/build/" . "syscalls") ("=
guix/build/" . "gnu-build-system") ("srfi/" . "srfi-19") ("ice-9/" . "i18n"=
) ("srfi/" . "srfi-6") ("guix/build/" . "gremlin") ("guix/" . "elf") ("lang=
uage/bytecode/" . "spec") ("language/cps/" . "spec") ("language/cps/" . "co=
mpile-bytecode") ("system/vm/" . "assembler") ("system/vm/" . "linker") ("l=
anguage/cps/" . "split-rec") ("language/cps/" . "reify-primitives") ("langu=
age/cps/" . "handle-interrupts") ("language/cps/" . "closure-conversion") (=
"language/cps/" . "slot-allocation") ("language/tree-il/" . "spec") ("langu=
age/tree-il/" . "compile-cps") ("language/tree-il/" . "analyze") ("system/v=
m/" . "program") ("system/vm/" . "debug") ("system/vm/" . "loader") ("syste=
m/vm/" . "dwarf") ("system/vm/" . "elf") ("language/value/" . "spec") ("lan=
guage/scheme/" . "spec") ("language/scheme/" . "decompile-tree-il") ("langu=
age/scheme/" . "compile-tree-il") ("guix/build/" . "compile") ("language/cp=
s/" . "optimize") ("language/cps/" . "verify") ("language/cps/" . "primitiv=
es") ("language/" . "bytecode") ("language/cps/" . "type-fold") ("language/=
cps/" . "specialize-numbers") ("language/cps/" . "specialize-primcalls") ("=
language/cps/" . "simplify") ("language/cps/" . "self-references") ("langua=
ge/cps/" . "rotate-loops") ("language/cps/" . "prune-bailouts") ("language/=
cps/" . "prune-top-level-scopes") ("language/cps/" . "peel-loops") ("langua=
ge/cps/" . "licm") ("language/cps/" . "elide-values") ("language/cps/" . "d=
ce") ("language/cps/" . "type-checks") ("language/cps/" . "types") ("langua=
ge/cps/" . "cse") ("language/cps/" . "effects-analysis") ("language/cps/" .=
 "contification") ("language/cps/" . "renumber") ("language/cps/" . "constr=
uctors") ("language/cps/" . "with-cps") ("language/cps/" . "utils") ("langu=
age/cps/" . "intmap") ("language/cps/" . "intset") ("language/" . "cps") ("=
language/tree-il/" . "optimize") ("language/tree-il/" . "debug") ("language=
/tree-il/" . "fix-letrec") ("language/tree-il/" . "peval") ("language/tree-=
il/" . "effects") ("language/tree-il/" . "primitives") ("srfi/" . "srfi-16"=
) ("language/" . "tree-il") ("guix/build/" . "utils") ("rnrs/io/" . "ports"=
) ("srfi/" . "srfi-8") ("rnrs/" . "files") ("rnrs/records/" . "syntactic") =
("rnrs/" . "hashtables") ("srfi/" . "srfi-69") ("srfi/" . "srfi-13") ("rnrs=
/" . "enums") ("rnrs/" . "syntax-case") ("rnrs/" . "exceptions") ("rnrs/rec=
ords/" . "inspection") ("rnrs/arithmetic/" . "bitwise") ("rnrs/" . "control=
") ("rnrs/" . "conditions") ("rnrs/records/" . "procedural") ("rnrs/" . "li=
sts") ("ice-9/" . "iconv") ("rnrs/" . "base") ("ice-9/" . "binary-ports") (=
"ice-9/" . "rdelim") ("ice-9/" . "ftw") ("srfi/" . "srfi-60") ("guix/" . "m=
odules") ("srfi/" . "srfi-35") ("srfi/" . "srfi-34") ("guix/" . "sets") ("i=
ce-9/" . "vlist") ("guix/" . "memoization") ("guix/" . "profiling") ("syste=
m/base/" . "compile") ("ice-9/" . "receive") ("ice-9/" . "optargs") ("syste=
m/base/" . "pmatch") ("system/vm/" . "vm") ("system/base/" . "message") ("s=
ystem/base/" . "language") ("system/base/" . "syntax") ("system/base/" . "t=
arget") ("system/" . "foreign") ("ice-9/" . "regex") ("ice-9/" . "format") =
("srfi/" . "srfi-26") ("ice-9/" . "command-line") ("srfi/" . "srfi-4") ("rn=
rs/" . "bytevectors") ("ice-9/" . "ports") ("ice-9/" . "deprecated") ("ice-=
9/" . "threads") ("ice-9/" . "futures") ("ice-9/" . "q") ("srfi/" . "srfi-1=
1") ("srfi/srfi-9/" . "gnu") ("srfi/" . "srfi-9") ("system/base/" . "ck") (=
"srfi/" . "srfi-1") ("ice-9/" . "control") ("ice-9/" . "match") (guile . gu=
ile))) at list.c:732
#3  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x15, vp=3D0x804c60, =
registers=3D0x15, resume=3D2308) at vm-engine.c:784
#4  0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 14e7fe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#5  0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 14e7fe0=
>) at eval.c:481
#6  0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
14e7fe0>) at async.c:400
#7  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x15, vp=3D0x804c60, =
registers=3D0x15, resume=3D2308) at vm-engine.c:784
#8  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651e80>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#9  0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#10 0x00007ffff7b62b16 in really_launch (d=3D0x1653b60) at threads.c:794
#11 0x00007ffff7af22da in c_body (d=3D0x7fffe37fde50) at continuations.c:422
#12 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x15, vp=3D0x804c60, =
registers=3D0x15, resume=3D2308) at vm-engine.c:784
#13 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 14d6180>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#14 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 14d6180>) at eval.c:481
#15 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 14d6180>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x14d6160,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x14d6140) at throw.c:137
#16 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#17 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe37fde50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe37fde50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#18 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe37fde50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe37fde50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#19 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#20 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe37fdeb8, data=3D0x7fffe=
37fdee0) at threads.c:661
#21 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#22 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653b60, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#23 launch_thread (d=3D0x1653b60) at threads.c:803
#24 0x00007ffff7620567 in start_thread (arg=3D0x7fffe37fe700) at pthread_cr=
eate.c:463
#25 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 9 (Thread 0x7fffe3fff700 (LWP 6463)):
#0  0x00007ffff5f80b27 in __GI__dl_mcount_wrapper_check (selfpc=3D0x7ffff5e=
7e0f0 <__gconv_transform_utf8_internal>) at dl-profstub.c:38
#1  0x00007ffff5e79948 in __gconv (cd=3D0x7fffd8009bc0, inbuf=3Dinbuf@entry=
=3D0x0, inbufend=3Dinbufend@entry=3D0x0, outbuf=3Doutbuf@entry=3D0x0, outbu=
fend=3Doutbufend@entry=3D0x0,=20
    irreversible=3Dirreversible@entry=3D0x7fffe3ffbf08) at gconv.c:58
#2  0x00007ffff5e79323 in iconv (cd=3D<optimized out>, inbuf=3D0x0, inbytes=
left=3D0x0, outbuf=3D0x0, outbytesleft=3D0x0) at iconv.c:42
#3  0x00007ffff70a2170 in mem_cd_iconveh_internal () from /gnu/store/rqr8v7=
q7fnhxziaq3s9qmsmkpr7yax24-libunistring-0.9.9/lib/libunistring.so.2
#4  0x00007ffff70a3561 in libunistring_mem_cd_iconveh () from /gnu/store/rq=
r8v7q7fnhxziaq3s9qmsmkpr7yax24-libunistring-0.9.9/lib/libunistring.so.2
#5  0x00007ffff70a36ae in libunistring_mem_iconveh () from /gnu/store/rqr8v=
7q7fnhxziaq3s9qmsmkpr7yax24-libunistring-0.9.9/lib/libunistring.so.2
#6  0x00007ffff70a392f in mem_iconveha_notranslit () from /gnu/store/rqr8v7=
q7fnhxziaq3s9qmsmkpr7yax24-libunistring-0.9.9/lib/libunistring.so.2
#7  0x00007ffff70a3d9a in libunistring_mem_iconveha () from /gnu/store/rqr8=
v7q7fnhxziaq3s9qmsmkpr7yax24-libunistring-0.9.9/lib/libunistring.so.2
#8  0x00007ffff70aa214 in u32_conv_from_encoding () from /gnu/store/rqr8v7q=
7fnhxziaq3s9qmsmkpr7yax24-libunistring-0.9.9/lib/libunistring.so.2
#9  0x00007ffff7b5cb13 in scm_from_stringn (str=3Dstr@entry=3D0x7ffff7b8d92=
0 "Module named ~s does not exist", len=3D30, len@entry=3D18446744073709551=
615, encoding=3D0x7ffff7e6e44c "UTF-8",=20
    handler=3DSCM_FAILED_CONVERSION_QUESTION_MARK) at strings.c:1510
#10 0x00007ffff7b5cc84 in scm_from_locale_stringn (str=3Dstr@entry=3D0x7fff=
f7b8d920 "Module named ~s does not exist", len=3Dlen@entry=3D18446744073709=
551615) at strings.c:1564
#11 0x00007ffff7b5cc9c in scm_from_locale_string (str=3Dstr@entry=3D0x7ffff=
7b8d920 "Module named ~s does not exist") at strings.c:1551
#12 0x00007ffff7af6526 in scm_error (key=3Dmisc-error, subr=3Dsubr@entry=3D=
0x7ffff7b8d8a5 "private-lookup", message=3Dmessage@entry=3D0x7ffff7b8d920 "=
Module named ~s does not exist",=20
    args=3D((rnrs bytevectors)), rest=3Drest@entry=3D#f) at error.c:59
#13 0x00007ffff7af6932 in scm_misc_error (subr=3Dsubr@entry=3D0x7ffff7b8d8a=
5 "private-lookup", message=3Dmessage@entry=3D0x7ffff7b8d920 "Module named =
~s does not exist", args=3D<optimized out>)
    at error.c:299
#14 0x00007ffff7b1ae19 in scm_private_variable (module_name=3D(rnrs bytevec=
tors), name=3Dbytevector-u32-ref) at modules.c:661
#15 0x00007ffff7b1aee1 in scm_private_lookup (module_name=3D(rnrs bytevecto=
rs), name=3Dbytevector-u32-ref) at modules.c:700
#16 0x00007ffff7b73df8 in vm_regular_engine (thread=3D0x7ffff5e7e0f0 <__gco=
nv_transform_utf8_internal>, vp=3D0x804cf0, registers=3D0x0, resume=3D0) at=
 vm-engine.c:2063
#17 0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 7ffff2f1dd28>, argv=
=3Dargv@entry=3D0x7fffe3ffe5d8, nargs=3Dnargs@entry=3D1) at vm.c:1257
#18 0x00007ffff7af7f18 in scm_call_1 (proc=3D<optimized out>, arg1=3D140737=
288552224) at eval.c:487
#19 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff5e7e0f0 <__gco=
nv_transform_utf8_internal>, vp=3D0x804cf0, registers=3D0x0, resume=3D0) at=
 vm-engine.c:784
#20 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 149afe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#21 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 149afe0=
>) at eval.c:481
#22 0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
149afe0>) at async.c:400
#23 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff5e7e0f0 <__gco=
nv_transform_utf8_internal>, vp=3D0x804cf0, registers=3D0x0, resume=3D0) at=
 vm-engine.c:784
#24 0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651ec0>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#25 0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#26 0x00007ffff7b62b16 in really_launch (d=3D0x1653ba0) at threads.c:794
#27 0x00007ffff7af22da in c_body (d=3D0x7fffe3ffee50) at continuations.c:422
#28 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff5e7e0f0 <__gco=
nv_transform_utf8_internal>, vp=3D0x804cf0, registers=3D0x0, resume=3D0) at=
 vm-engine.c:784
#29 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1499e40>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#30 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1499e40>) at eval.c:481
#31 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 1499e40>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x1499e20,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x1499e00) at throw.c:137
#32 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#33 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe3ffee50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe3ffee50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#34 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe3ffee50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe3ffee50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#35 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#36 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe3ffeeb8, data=3D0x7fffe=
3ffeee0) at threads.c:661
#37 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#38 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653ba0, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#39 launch_thread (d=3D0x1653ba0) at threads.c:803
#40 0x00007ffff7620567 in start_thread (arg=3D0x7fffe3fff700) at pthread_cr=
eate.c:463
#41 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 8 (Thread 0x7fffe8c0f700 (LWP 6462)):
#0  0x00007ffff7b73c34 in vm_regular_engine (thread=3D0x7ffff7dfe878, vp=3D=
0x804d80, registers=3D0x1189801, resume=3D0) at vm-engine.c:3889
#1  0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 1491fe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#2  0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 1491fe0=
>) at eval.c:481
#3  0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
1491fe0>) at async.c:400
#4  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7dfe878, vp=3D=
0x804d80, registers=3D0x1189801, resume=3D0) at vm-engine.c:784
#5  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651f00>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#6  0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#7  0x00007ffff7b62b16 in really_launch (d=3D0x1653be0) at threads.c:794
#8  0x00007ffff7af22da in c_body (d=3D0x7fffe8c0ee50) at continuations.c:422
#9  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7dfe878, vp=3D=
0x804d80, registers=3D0x1189801, resume=3D0) at vm-engine.c:784
#10 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1487740>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#11 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1487740>) at eval.c:481
#12 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 1487740>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x1487720,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x1487700) at throw.c:137
#13 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#14 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe8c0ee50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe8c0ee50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#15 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe8c0ee50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe8c0ee50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#16 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#17 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe8c0eeb8, data=3D0x7fffe=
8c0eee0) at threads.c:661
#18 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#19 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653be0, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#20 launch_thread (d=3D0x1653be0) at threads.c:803
#21 0x00007ffff7620567 in start_thread (arg=3D0x7fffe8c0f700) at pthread_cr=
eate.c:463
#22 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 7 (Thread 0x7fffe9410700 (LWP 6461)):
#0  0x00007ffff7af5e8d in scm_is_pair (x=3D"ssh/") at ../libguile/pairs.h:1=
59
#1  scm_equal_p (x=3D"ssh/", y=3D"guix/build/") at eq.c:297
#2  0x00007ffff7af5ed2 in scm_equal_p (x=3D("ssh/" . "auth"), y=3Dy@entry=
=3D("guix/build/" . "ant-build-system")) at eq.c:299
#3  0x00007ffff7b145bb in scm_member (x=3D("guix/build/" . "ant-build-syste=
m"),=20
    lst=3D(("ssh/" . "auth") ("ssh/" . "session") ("ssh/" . "log") ("guix/"=
 . "self") ("guix/" . "scripts") ("guix/store/" . "database") ("guix/store/=
" . "deduplication") ("" . "sqlite3") ("guix/" . "nar") ("guix/" . "pki") (=
"guix/" . "pk-crypto") ("guix/import/" . "texlive") ("sxml/" . "xpath") ("g=
uix/import/" . "stackage") ("guix/import/" . "snix") ("srfi/" . "srfi-37") =
("guix/import/" . "pypi") ("guix/import/" . "print") ("guix/import/" . "hac=
kage") ("guix/import/" . "gnu") ("guix/import/" . "gnome") ("guix/import/" =
. "github") ("guix/import/" . "gem") ("guix/import/" . "elpa") ("guix/impor=
t/" . "crate") ("srfi/" . "srfi-2") ("guix/import/" . "cran") ("guix/import=
/" . "cpan") ("guix/import/" . "json") ("guix/import/" . "utils") ("srfi/" =
. "srfi-41") ("gnu/" . "packages") ("guix/import/" . "cabal") ("system/base=
/" . "lalr") ("guix/" . "hg-download") ("guix/" . "graph") ("guix/" . "gnu-=
maintenance") ("guix/" . "upstream") ("guix/" . "gnupg") ("guix/" . "downlo=
ad") ("guix/" . "discovery") ("guix/" . "glob") ("guix/" . "git") ("" . "gi=
t") ("git/" . "tag") ("git/" . "status") ("git/" . "settings") ("git/" . "r=
ev-parse") ("git/" . "remote") ("git/" . "reset") ("git/" . "fetch") ("git/=
" . "cred") ("git/" . "errors") ("git/" . "commit") ("git/" . "object") ("g=
it/" . "tree") ("git/" . "oid") ("git/" . "clone") ("git/" . "repository") =
("git/" . "branch") ("git/" . "reference") ("git/" . "bindings") ("git/" . =
"structs") ("bytestructures/" . "guile") ("bytestructures/guile/" . "cstrin=
g-pointer") ("bytestructures/guile/" . "string") ("bytestructures/guile/" .=
 "numeric") ("bytestructures/guile/" . "pointer") ("bytestructures/guile/" =
. "union") ("bytestructures/guile/" . "struct") ("bytestructures/guile/" . =
"bitfields") ("bytestructures/guile/" . "numeric-metadata") ("bytestructure=
s/guile/" . "numeric-all") ("bytestructures/guile/" . "numeric-data-model")=
 ("bytestructures/guile/" . "explicit-endianness") ("bytestructures/guile/"=
 . "vector") ("bytestructures/guile/" . "base") ("bytestructures/guile/" . =
"utils") ("bytestructures/guile/" . "bytevectors") ("bytestructures/r6/" . =
"bytevectors") ("git/" . "types") ("git/" . "config") ("guix/" . "git-downl=
oad") ("guix/" . "docker") ("" . "json") ("json/" . "parser") ("json/" . "b=
uilder") ("guix/" . "cvs-download") ("guix/" . "cve") ("guix/" . "cpio") ("=
guix/" . "ci") ("guix/" . "http-client") ("guix/" . "ui") ("texinfo/" . "pl=
ain-text") ("texinfo/" . "string-utils") ("srfi/" . "srfi-14") ("" . "texin=
fo") ("guix/" . "licenses") ("guix/" . "profiles") ("guix/" . "i18n") ("gui=
x/" . "cache") ("guix/build-system/" . "waf") ("guix/build-system/" . "texl=
ive") ("guix/" . "svn-download") ("guix/build-system/" . "scons") ("guix/bu=
ild-system/" . "ruby") ("guix/build-system/" . "r") ("guix/build-system/" .=
 "python") ("guix/build-system/" . "perl") ("guix/build-system/" . "ocaml")=
 ("guix/build-system/" . "minify") ("guix/build-system/" . "meson") ("guix/=
build-system/" . "haskell") ("guix/build-system/" . "go") ("guix/build-syst=
em/" . "glib-or-gtk") ("guix/build-system/" . "font") ("guix/build-system/"=
 . "emacs") ("guix/build-system/" . "dub") ("guix/build-system/" . "cmake")=
 ("guix/build-system/" . "cargo") ("guix/build-system/" . "asdf") ("guix/bu=
ild-system/" . "ant") ("guix/build-system/" . "android-ndk") ("guix/build-s=
ystem/" . "gnu") ("guix/" . "packages") ("guix/" . "build-system") ("guix/"=
 . "gexp") ("guix/" . "grafts") ("guix/" . "derivations") ("guix/" . "store=
") ("" . "gnutls") ("guix/" . "hash") ("guix/" . "gcrypt") ("guix/" . "base=
32") ("guix/" . "base16") ("guix/" . "monads") ("system/" . "syntax") ("gui=
x/" . "utils") ("srfi/" . "srfi-39") ("guix/" . "search-paths") ("guix/buil=
d/" . "waf-build-system") ("guix/build/" . "texlive-build-system") ("guix/b=
uild/" . "union") ("guix/build/" . "svn") ("guix/build/" . "store-copy") ("=
guix/build/" . "scons-build-system") ("guix/build/" . "ruby-build-system") =
("guix/build/" . "r-build-system") ("guix/build/" . "qt-utils") ("guix/buil=
d/" . "python-build-system") ("guix/build/" . "pull") ("guix/build/" . "per=
l-build-system") ("guix/build/" . "ocaml-build-system") ("guix/build/" . "m=
inify-build-system") ("guix/build/" . "meson-build-system") ("guix/build/" =
. "rpath") ("guix/build/" . "make-bootstrap") ("guix/build/" . "java-utils"=
) ("guix/build/" . "hg") ("guix/build/" . "haskell-build-system") ("guix/bu=
ild/" . "graft") ("guix/build/" . "go-build-system") ("guix/build/" . "gnu-=
dist") ("guix/build/" . "glib-or-gtk-build-system") ("guix/build/" . "git")=
 ("guix/build/" . "font-build-system") ("guix/build/" . "emacs-build-system=
") ("guix/build/" . "emacs-utils") ("guix/build/" . "dub-build-system") ("g=
uix/build/" . "download-nar") ("guix/" . "zlib") ("guix/" . "config") ("gui=
x/" . "serialization") ("guix/" . "combinators") ("guix/build/" . "download=
") ("guix/" . "progress") ("guix/" . "records") ("guix/" . "ftp-client") ("=
srfi/" . "srfi-31") ("guix/" . "base64") ("" . "rnrs") ("rnrs/" . "unicode"=
) ("rnrs/" . "sorting") ("rnrs/" . "programs") ("rnrs/io/" . "simple") ("rn=
rs/arithmetic/" . "flonums") ("rnrs/" . "r5rs") ("ice-9/" . "r5rs") ("ice-9=
/" . "safe-r5rs") ("ice-9/" . "null") ("rnrs/arithmetic/" . "fixnums") ("we=
b/" . "client") ("web/" . "response") ("web/" . "request") ("web/" . "http"=
) ("ice-9/" . "textual-ports") ("web/" . "uri") ("guix/build/" . "cvs") ("g=
uix/build/" . "cmake-build-system") ("guix/build/" . "cargo-build-system") =
("guix/build/" . "bournish") ("system/repl/" . "command") ("" . "statprof")=
 ("ice-9/" . "and-let-star") ("ice-9/" . "session") ("ice-9/" . "documentat=
ion") ("system/vm/" . "trap-state") ("system/vm/" . "trace") ("system/vm/" =
. "traps") ("system/" . "xref") ("system/repl/" . "debug") ("system/vm/" . =
"inspect") ("ice-9/" . "pretty-print") ("system/vm/" . "frame") ("system/vm=
/" . "disassembler") ("system/repl/" . "common") ("ice-9/" . "history") ("g=
uix/build/" . "asdf-build-system") ("guix/build/" . "lisp-utils") ("ice-9/"=
 . "hash-table") ("guix/build/" . "ant-build-system") ("sxml/" . "simple") =
("sxml/" . "transform") ("sxml/" . "ssax") ("sxml/ssax/" . "input-parse") (=
"guix/build/" . "android-ndk-build-system") ("ice-9/" . "popen") ("guix/bui=
ld/" . "syscalls") ("guix/build/" . "gnu-build-system") ("srfi/" . "srfi-19=
") ("ice-9/" . "i18n") ("srfi/" . "srfi-6") ("guix/build/" . "gremlin") ("g=
uix/" . "elf") ("language/bytecode/" . "spec") ("language/cps/" . "spec") (=
"language/cps/" . "compile-bytecode") ("system/vm/" . "assembler") ("system=
/vm/" . "linker") ("language/cps/" . "split-rec") ("language/cps/" . "reify=
-primitives") ("language/cps/" . "handle-interrupts") ("language/cps/" . "c=
losure-conversion") ("language/cps/" . "slot-allocation") ("language/tree-i=
l/" . "spec") ("language/tree-il/" . "compile-cps") ("language/tree-il/" . =
"analyze") ("system/vm/" . "program") ("system/vm/" . "debug") ("system/vm/=
" . "loader") ("system/vm/" . "dwarf") ("system/vm/" . "elf") ("language/va=
lue/" . "spec") ("language/scheme/" . "spec") ("language/scheme/" . "decomp=
ile-tree-il") ("language/scheme/" . "compile-tree-il") ("guix/build/" . "co=
mpile") ("language/cps/" . "optimize") ("language/cps/" . "verify") ("langu=
age/cps/" . "primitives") ("language/" . "bytecode") ("language/cps/" . "ty=
pe-fold") ("language/cps/" . "specialize-numbers") ("language/cps/" . "spec=
ialize-primcalls") ("language/cps/" . "simplify") ("language/cps/" . "self-=
references") ("language/cps/" . "rotate-loops") ("language/cps/" . "prune-b=
ailouts") ("language/cps/" . "prune-top-level-scopes") ("language/cps/" . "=
peel-loops") ("language/cps/" . "licm") ("language/cps/" . "elide-values") =
("language/cps/" . "dce") ("language/cps/" . "type-checks") ("language/cps/=
" . "types") ("language/cps/" . "cse") ("language/cps/" . "effects-analysis=
") ("language/cps/" . "contification") ("language/cps/" . "renumber") ("lan=
guage/cps/" . "constructors") ("language/cps/" . "with-cps") ("language/cps=
/" . "utils") ("language/cps/" . "intmap") ("language/cps/" . "intset") ("l=
anguage/" . "cps") ("language/tree-il/" . "optimize") ("language/tree-il/" =
. "debug") ("language/tree-il/" . "fix-letrec") ("language/tree-il/" . "pev=
al") ("language/tree-il/" . "effects") ("language/tree-il/" . "primitives")=
 ("srfi/" . "srfi-16") ("language/" . "tree-il") ("guix/build/" . "utils") =
("rnrs/io/" . "ports") ("srfi/" . "srfi-8") ("rnrs/" . "files") ("rnrs/reco=
rds/" . "syntactic") ("rnrs/" . "hashtables") ("srfi/" . "srfi-69") ("srfi/=
" . "srfi-13") ("rnrs/" . "enums") ("rnrs/" . "syntax-case") ("rnrs/" . "ex=
ceptions") ("rnrs/records/" . "inspection") ("rnrs/arithmetic/" . "bitwise"=
) ("rnrs/" . "control") ("rnrs/" . "conditions") ("rnrs/records/" . "proced=
ural") ("rnrs/" . "lists") ("ice-9/" . "iconv") ("rnrs/" . "base") ("ice-9/=
" . "binary-ports") ("ice-9/" . "rdelim") ("ice-9/" . "ftw") ("srfi/" . "sr=
fi-60") ("guix/" . "modules") ("srfi/" . "srfi-35") ("srfi/" . "srfi-34") (=
"guix/" . "sets") ("ice-9/" . "vlist") ("guix/" . "memoization") ("guix/" .=
 "profiling") ("system/base/" . "compile") ("ice-9/" . "receive") ("ice-9/"=
 . "optargs") ("system/base/" . "pmatch") ("system/vm/" . "vm") ("system/ba=
se/" . "message") ("system/base/" . "language") ("system/base/" . "syntax")=
 ("system/base/" . "target") ("system/" . "foreign") ("ice-9/" . "regex") (=
"ice-9/" . "format") ("srfi/" . "srfi-26") ("ice-9/" . "command-line") ("sr=
fi/" . "srfi-4") ("rnrs/" . "bytevectors") ("ice-9/" . "ports") ("ice-9/" .=
 "deprecated") ("ice-9/" . "threads") ("ice-9/" . "futures") ("ice-9/" . "q=
") ("srfi/" . "srfi-11") ("srfi/srfi-9/" . "gnu") ("srfi/" . "srfi-9") ("sy=
stem/base/" . "ck") ("srfi/" . "srfi-1") ("ice-9/" . "control") ("ice-9/" .=
 "match") (guile . guile))) at list.c:732
#4  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x15, vp=3D0x804e10, =
registers=3D0x638fe0, resume=3D2308) at vm-engine.c:784
#5  0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 148efe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#6  0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 148efe0=
>) at eval.c:481
#7  0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
148efe0>) at async.c:400
#8  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x15, vp=3D0x804e10, =
registers=3D0x638fe0, resume=3D2308) at vm-engine.c:784
#9  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651f40>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#10 0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#11 0x00007ffff7b62b16 in really_launch (d=3D0x1653c40) at threads.c:794
#12 0x00007ffff7af22da in c_body (d=3D0x7fffe940fe50) at continuations.c:422
#13 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x15, vp=3D0x804e10, =
registers=3D0x638fe0, resume=3D2308) at vm-engine.c:784
#14 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1487c20>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#15 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1487c20>) at eval.c:481
#16 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 1487c20>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x1487c00,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x1487be0) at throw.c:137
#17 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#18 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe940fe50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe940fe50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#19 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe940fe50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe940fe50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#20 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#21 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe940feb8, data=3D0x7fffe=
940fee0) at threads.c:661
#22 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#23 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653c40, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#24 launch_thread (d=3D0x1653c40) at threads.c:803
#25 0x00007ffff7620567 in start_thread (arg=3D0x7fffe9410700) at pthread_cr=
eate.c:463
#26 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 6 (Thread 0x7fffe9c11700 (LWP 6460)):
#0  scm_apply_subr (sp=3D0x7ffff7e082d8, nslots=3D3) at gsubr.c:300
#1  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7e082d8, vp=3D=
0x804ea0, registers=3D0x7f42e0, resume=3D-136281360) at vm-engine.c:784
#2  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 7ffff2f1dd28>, argv=
=3Dargv@entry=3D0x7fffe9c10348, nargs=3Dnargs@entry=3D1) at vm.c:1257
#3  0x00007ffff7af7f18 in scm_call_1 (proc=3D<optimized out>, arg1=3D140737=
288552224) at eval.c:487
#4  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7e082d8, vp=3D=
0x804ea0, registers=3D0x7f42e0, resume=3D-136281360) at vm-engine.c:784
#5  0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 756d00>=
, argv=3D<optimized out>, nargs=3D5) at vm.c:1257
#6  0x00007ffff7af828b in scm_apply_0 (proc=3D#<program 756d00>, args=3D())=
 at eval.c:594
#7  0x00007ffff7af8e8d in scm_apply_1 (proc=3D<optimized out>, arg1=3Darg1@=
entry=3Dmisc-error, args=3D<optimized out>) at eval.c:600
#8  0x00007ffff7b643ac in scm_throw (key=3Dkey@entry=3Dmisc-error, args=3D<=
optimized out>) at throw.c:266
#9  0x00007ffff7b64925 in scm_ithrow (key=3Dkey@entry=3Dmisc-error, args=3D=
<optimized out>, no_return=3Dno_return@entry=3D1) at throw.c:611
#10 0x00007ffff7af6495 in scm_error_scm (key=3Dmisc-error, subr=3D<optimize=
d out>, message=3D<optimized out>, args=3D<optimized out>, data=3D<optimize=
d out>) at error.c:94
#11 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7e082d8, vp=3D=
0x804ea0, registers=3D0x7f42e0, resume=3D-136281360) at vm-engine.c:784
#12 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<program 1489fe0=
>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#13 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<program 1489fe0=
>) at eval.c:481
#14 0x00007ffff7ae9538 in scm_call_with_unblocked_asyncs (proc=3D#<program =
1489fe0>) at async.c:400
#15 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7e082d8, vp=3D=
0x804ea0, registers=3D0x7f42e0, resume=3D-136281360) at vm-engine.c:784
#16 0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 1651f80>, argv=3Darg=
v@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#17 0x00007ffff7af7ef9 in scm_call_0 (proc=3D<optimized out>) at eval.c:481
#18 0x00007ffff7b62b16 in really_launch (d=3D0x1653c80) at threads.c:794
#19 0x00007ffff7af22da in c_body (d=3D0x7fffe9c10e50) at continuations.c:422
#20 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x7ffff7e082d8, vp=3D=
0x804ea0, registers=3D0x7f42e0, resume=3D-136281360) at vm-engine.c:784
#21 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1487fa0>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#22 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 1487fa0>) at eval.c:481
#23 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 1487fa0>, handler=3D<error reading variable: ERROR: Cannot access =
memory at address 0x0>0x1487f80,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x1487f60) at throw.c:137
#24 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#25 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe9c10e50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe9c10e50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#26 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffe9c10e50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffe9c10e50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#27 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#28 0x00007ffff7b62c3c in with_guile (base=3D0x7fffe9c10eb8, data=3D0x7fffe=
9c10ee0) at threads.c:661
#29 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#30 0x00007ffff7b6230d in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D0x1653c80, func=3D0x7ffff7b62aa0 <really_launch>) at threads.c:704
#31 launch_thread (d=3D0x1653c80) at threads.c:803
#32 0x00007ffff7620567 in start_thread (arg=3D0x7fffe9c11700) at pthread_cr=
eate.c:463
#33 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 5 (Thread 0x7ffff3ee8700 (LWP 6458)):
#0  0x00007ffff7629aac in __libc_read (fd=3D5, buf=3Dbuf@entry=3D0x7ffff3ee=
7a30, nbytes=3Dnbytes@entry=3D1) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007ffff7b014d7 in read_finalization_pipe_data (data=3D0x7ffff3ee7a3=
0) at finalizers.c:199
#2  0x00007ffff785ab63 in GC_do_blocking_inner () from /gnu/store/kxga4lq2q=
fn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#3  0x00007ffff784f389 in GC_with_callee_saves_pushed () from /gnu/store/kx=
ga4lq2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#4  0x00007ffff7854fec in GC_do_blocking () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#5  0x00007ffff7b6302a in scm_without_guile (func=3D0x7ffff7b014c0 <read_fi=
nalization_pipe_data>, data=3D0x7ffff3ee7a30) at threads.c:722
#6  0x00007ffff7b01887 in finalization_thread_proc (unused=3D<optimized out=
>) at finalizers.c:212
#7  0x00007ffff7af22da in c_body (d=3D0x7ffff3ee7e50) at continuations.c:422
#8  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x5, vp=3D0x804f30, r=
egisters=3D0x1, resume=3D-144532820) at vm-engine.c:784
#9  0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 83af60>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#10 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 83af60>) at eval.c:481
#11 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 83af60>, handler=3D<error reading variable: ERROR: Cannot access m=
emory at address 0x0>0x83af40,=20
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x83af00) at throw.c:137
#12 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#13 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7ffff3ee7e50=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7ffff3ee7e50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#14 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7ffff3ee7e50, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7ffff3ee7e50, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#15 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#16 0x00007ffff7b62c3c in with_guile (base=3D0x7ffff3ee7eb8, data=3D0x7ffff=
3ee7ee0) at threads.c:661
#17 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#18 0x00007ffff7b62fd8 in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3D<optimized out>, func=3D<optimized out>) at threads.c:704
#19 scm_with_guile (func=3D<optimized out>, data=3D<optimized out>) at thre=
ads.c:710
#20 0x00007ffff7620567 in start_thread (arg=3D0x7ffff3ee8700) at pthread_cr=
eate.c:463
#21 0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 4 (Thread 0x7ffff4e54700 (LWP 6457)):
#0  0x00007ffff7626552 in futex_wait_cancelable (private=3D<optimized out>,=
 expected=3D0, futex_word=3D0x7ffff7a796e8 <mark_cv+40>) at ../sysdeps/unix=
/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=3D0x0, mutex=3D0x7ffff7a792c0 <mark=
_mutex>, cond=3D0x7ffff7a796c0 <mark_cv>) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=3D0x7ffff7a796c0 <mark_cv>, mutex=3D0x7ffff7a=
792c0 <mark_mutex>) at pthread_cond_wait.c:655
#3  0x00007ffff785b967 in GC_wait_marker () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#4  0x00007ffff7851e5a in GC_help_marker () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#5  0x00007ffff785b93c in GC_mark_thread () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#6  0x00007ffff7620567 in start_thread (arg=3D0x7ffff4e54700) at pthread_cr=
eate.c:463
#7  0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 3 (Thread 0x7ffff5655700 (LWP 6456)):
#0  0x00007ffff7626552 in futex_wait_cancelable (private=3D<optimized out>,=
 expected=3D0, futex_word=3D0x7ffff7a796e8 <mark_cv+40>) at ../sysdeps/unix=
/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=3D0x0, mutex=3D0x7ffff7a792c0 <mark=
_mutex>, cond=3D0x7ffff7a796c0 <mark_cv>) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=3D0x7ffff7a796c0 <mark_cv>, mutex=3D0x7ffff7a=
792c0 <mark_mutex>) at pthread_cond_wait.c:655
#3  0x00007ffff785b967 in GC_wait_marker () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#4  0x00007ffff7851e5a in GC_help_marker () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#5  0x00007ffff785b93c in GC_mark_thread () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#6  0x00007ffff7620567 in start_thread (arg=3D0x7ffff5655700) at pthread_cr=
eate.c:463
#7  0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 2 (Thread 0x7ffff5e56700 (LWP 6455)):
#0  0x00007ffff7626552 in futex_wait_cancelable (private=3D<optimized out>,=
 expected=3D0, futex_word=3D0x7ffff7a796e8 <mark_cv+40>) at ../sysdeps/unix=
/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=3D0x0, mutex=3D0x7ffff7a792c0 <mark=
_mutex>, cond=3D0x7ffff7a796c0 <mark_cv>) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=3D0x7ffff7a796c0 <mark_cv>, mutex=3D0x7ffff7a=
792c0 <mark_mutex>) at pthread_cond_wait.c:655
#3  0x00007ffff785b967 in GC_wait_marker () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#4  0x00007ffff7851e5a in GC_help_marker () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#5  0x00007ffff785b93c in GC_mark_thread () from /gnu/store/kxga4lq2qfn0rn8=
yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#6  0x00007ffff7620567 in start_thread (arg=3D0x7ffff5e56700) at pthread_cr=
eate.c:463
#7  0x00007ffff5f48eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clo=
ne.S:95

Thread 1 (Thread 0x7ffff7fefb80 (LWP 6451)):
#0  0x00007ffff7626552 in futex_wait_cancelable (private=3D<optimized out>,=
 expected=3D0, futex_word=3D0x686e64) at ../sysdeps/unix/sysv/linux/futex-i=
nternal.h:88
#1  __pthread_cond_wait_common (abstime=3D0x0, mutex=3D0x154b3c0, cond=3Dco=
nd@entry=3D0x686e38) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=3Dcond@entry=3D0x686e38, mutex=3Dmutex@entry=
=3D0x154b3c0) at pthread_cond_wait.c:655
#3  0x00007ffff7b634c5 in scm_pthread_cond_wait (cond=3Dcond@entry=3D0x686e=
38, mutex=3Dmutex@entry=3D0x154b3c0) at threads.c:1621
#4  0x00007ffff7b6368b in block_self (queue=3D((#<smob thread 6bde90>) #<sm=
ob thread 6bde90>), mutex=3Dmutex@entry=3D0x154b3c0, waittime=3Dwaittime@en=
try=3D0x0) at threads.c:316
#5  0x00007ffff7b63b70 in timed_wait (c=3D0x1650a80, current_thread=3D0x686=
e00, current_thread=3D0x686e00, waittime=3D0x0, m=3D0x154b3c0, kind=3DSCM_M=
UTEX_STANDARD) at threads.c:1347
#6  scm_timed_wait_condition_variable (cond=3D#<smob condition-variable 149=
cdc0>, mutex=3D#<smob mutex 149cd90>, timeout=3D#<undefined 904>) at thread=
s.c:1440
#7  0x00007ffff7b717fd in vm_regular_engine (thread=3D0x686e64, vp=3D0x72bf=
30, registers=3D0x0, resume=3D-144546478) at vm-engine.c:784
#8  0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 7ffff7e5c030>, argv=
=3Dargv@entry=3D0x7fffffffc038, nargs=3Dnargs@entry=3D1) at vm.c:1257
#9  0x00007ffff7af8ff7 in scm_primitive_eval (
    exp=3D(begin (use-modules (srfi srfi-26) (ice-9 match) (ice-9 format) (=
ice-9 threads) (guix build compile) (guix build utils)) (define (regular? f=
ile) (not (member file (quote ("." ".."))))) (define (report-load file tota=
l completed) (display #\return) (format #t "loading...\t~5,1f% of ~d files"=
 (* 100.0 (/ completed total)) total) (force-output)) (define (report-compi=
lation file total completed) (display #\return) (format #t "compiling...\t~=
5,1f% of ~d files" (* 100.0 (/ completed total)) total) (force-output)) (de=
fine (process-directory directory files output) (parameterize ((current-war=
ning-port (%make-void-port "w"))) (compile-files directory ((@ (guile) gete=
nv) "out") files #:workers (parallel-job-count) #:report-load report-load #=
:report-compilation report-compilation))) (setvbuf (current-output-port) _I=
ONBF) (setvbuf (current-error-port) _IONBF) (set! %load-path (cons "/gnu/st=
ore/7ylh9biay97wi1j5zza43si5g0kcr0rk-guix-extra-source" %load-path)) (set! =
%load-path (append (quote ("/gnu/store/6qa3bz89xr8p3a1cl1rjz6vg4i51rj77-gui=
x-core-source")) (map (lambda (extension) (string-append extension "/share/=
guile/site/" (effective-version))) (quote ("/gnu/store/2rfa6337gb84bx4f2jzn=
5h9wfi3lhjik-guile-git-0.0-6.36f93c1" "/gnu/store/1aglyrvw57cbw4njc2q4blmbq=
in3r7k2-guile-bytestructures-1.0.3" "/gnu/store/6jjn9fsma94qa6y86qwiyyqfsm2=
mjkxy-guile-json-1.0.1" "/gnu/store/5lmr2x0cl45x0f15hsbaw4y560gnwry3-guile-=
ssh-0.11.2" "/gnu/store/r21yw2lkm4fr1n7x1nxgpqrjw0xkln9r-guile-sqlite3-0.0-=
4.10c13a7"))) %load-path)) (set! %load-compiled-path (append (quote ("/gnu/=
store/fw419jy6qwkwfclj2vr56va4nwnrwczn-guix-core")) (map (lambda (extension=
) (string-append extension "/lib/guile/" (effective-version) "/site-ccache"=
)) (quote ("/gnu/store/2rfa6337gb84bx4f2jzn5h9wfi3lhjik-guile-git-0.0-6.36f=
93c1" "/gnu/store/1aglyrvw57cbw4njc2q4blmbqin3r7k2-guile-bytestructures-1.0=
.3" "/gnu/store/6jjn9fsma94qa6y86qwiyyqfsm2mjkxy-guile-json-1.0.1" "/gnu/st=
ore/5lmr2x0cl45x0f15hsbaw4y560gnwry3-guile-ssh-0.11.2" "/gnu/store/r21yw2lk=
m4fr1n7x1nxgpqrjw0xkln9r-guile-sqlite3-0.0-4.10c13a7"))) %load-compiled-pat=
h)) (compile #f) (mkdir ((@ (guile) getenv) "out")) (chdir "/gnu/store/7ylh=
9biay97wi1j5zza43si5g0kcr0rk-guix-extra-source") (process-directory "." (qu=
ote ("guix/build/android-ndk-build-system.scm" "guix/build/ant-build-system=
.scm" "guix/build/asdf-build-system.scm" "guix/build/lisp-utils.scm" "guix/=
build/bournish.scm" "guix/build/cargo-build-system.scm" "guix/build/cmake-b=
uild-system.scm" "guix/build/compile.scm" "guix/build/cvs.scm" "guix/build/=
download-nar.scm" "guix/zlib.scm" "guix/build/dub-build-system.scm" "guix/b=
uild/emacs-build-system.scm" "guix/build/emacs-utils.scm" "guix/build/font-=
build-system.scm" "guix/build/git.scm" "guix/build/glib-or-gtk-build-system=
.scm" "guix/build/gnu-dist.scm" "guix/build/go-build-system.scm" "guix/buil=
d/graft.scm" "guix/build/haskell-build-system.scm" "guix/build/hg.scm" "gui=
x/build/java-utils.scm" "guix/build/make-bootstrap.scm" "guix/build/meson-b=
uild-system.scm" "guix/build/rpath.scm" "guix/build/minify-build-system.scm=
" "guix/build/ocaml-build-system.scm" "guix/build/perl-build-system.scm" "g=
uix/build/pull.scm" "guix/build/python-build-system.scm" "guix/build/qt-uti=
ls.scm" "guix/build/r-build-system.scm" "guix/build/ruby-build-system.scm" =
"guix/build/scons-build-system.scm" "guix/build/store-copy.scm" "guix/build=
/svn.scm" "guix/build/texlive-build-system.scm" "guix/build/waf-build-syste=
m.scm" "guix/build-system/android-ndk.scm" "guix/build-system/ant.scm" "gui=
x/build-system/asdf.scm" "guix/build-system/cargo.scm" "guix/build-system/c=
make.scm" "guix/build-system/dub.scm" "guix/build-system/emacs.scm" "guix/b=
uild-system/font.scm" "guix/build-system/glib-or-gtk.scm" "guix/build-syste=
m/go.scm" "guix/build-system/haskell.scm" "guix/build-system/meson.scm" "gu=
ix/build-system/minify.scm" "guix/build-system/ocaml.scm" "guix/build-syste=
m/perl.scm" "guix/build-system/python.scm" "guix/build-system/r.scm" "guix/=
build-system/ruby.scm" "guix/build-system/scons.scm" "guix/build-system/tex=
live.scm" "guix/svn-download.scm" "guix/build-system/waf.scm" "guix/cache.s=
cm" "guix/ci.scm" "guix/http-client.scm" "guix/ui.scm" "guix/licenses.scm" =
"guix/cpio.scm" "guix/cve.scm" "guix/cvs-download.scm" "guix/docker.scm" "g=
uix/git-download.scm" "guix/git.scm" "guix/glob.scm" "guix/gnu-maintenance.=
scm" "guix/upstream.scm" "guix/gnupg.scm" "guix/graph.scm" "guix/hg-downloa=
d.scm" "guix/import/cabal.scm" "guix/import/cpan.scm" "guix/import/utils.sc=
m" "gnu/packages.scm" "guix/import/json.scm" "guix/import/cran.scm" "guix/i=
mport/crate.scm" "guix/import/elpa.scm" "guix/import/gem.scm" "guix/import/=
github.scm" "guix/import/gnome.scm" "guix/import/gnu.scm" "guix/import/hack=
age.scm" "guix/import/print.scm" "guix/import/pypi.scm" "guix/import/snix.s=
cm" "guix/import/stackage.scm" "guix/import/texlive.scm" "guix/nar.scm" "gu=
ix/store/database.scm" "guix/store/deduplication.scm" "guix/pki.scm" "guix/=
pk-crypto.scm" "guix/scripts.scm" "guix/self.scm" "guix/ssh.scm" "guix/stor=
e/ssh.scm" "guix/tests/http.scm" "guix/tests.scm" "gnu/packages/bootstrap.s=
cm" "guix/workers.scm")) ((@ (guile) getenv) "out")) (newline))) at eval.c:=
662
#10 0x00007ffff7b14cdb in scm_primitive_load (filename=3D<optimized out>) a=
t load.c:123
#11 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x686e64, vp=3D0x72bf=
30, registers=3D0x0, resume=3D-144546478) at vm-engine.c:784
#12 0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 7ffff7e5c030>, argv=
=3Dargv@entry=3D0x7fffffffc298, nargs=3Dnargs@entry=3D1) at vm.c:1257
#13 0x00007ffff7af8ff7 in scm_primitive_eval (
    exp=3Dexp@entry=3D((@ (ice-9 control) %) (begin (set! %load-path (cons =
"." %load-path)) (set! %load-compiled-path (cons "." %load-compiled-path)) =
((@@ (ice-9 command-line) load/lang) "/gnu/store/815przlfissan60p4bdn7cipfi=
dc3q29-guix-extra-builder") (quit)))) at eval.c:662
#14 0x00007ffff7af9053 in scm_eval (
    exp=3D((@ (ice-9 control) %) (begin (set! %load-path (cons "." %load-pa=
th)) (set! %load-compiled-path (cons "." %load-compiled-path)) ((@@ (ice-9 =
command-line) load/lang) "/gnu/store/815przlfissan60p4bdn7cipfidc3q29-guix-=
extra-builder") (quit))), module_or_state=3Dmodule_or_state@entry=3D"#<stru=
ct module>" =3D {...}) at eval.c:696
#15 0x00007ffff7b440b0 in scm_shell (argc=3D7, argv=3D0x7fffffffc908) at sc=
ript.c:454
#16 0x00007ffff7b0fadd in invoke_main_func (body_data=3D0x7fffffffc7b0) at =
init.c:340
#17 0x00007ffff7af22da in c_body (d=3D0x7fffffffc6f0) at continuations.c:422
#18 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x686e64, vp=3D0x72bf=
30, registers=3D0x0, resume=3D-144546478) at vm-engine.c:784
#19 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 71e520>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#20 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 71e520>) at eval.c:481
#21 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 71e520>, handler=3D<error reading variable: ERROR: Cannot access m=
emory at address 0x0>0x71e4c0,=20
urrent-warning-port (%make-void-port "w"))) (compile-files directory ((@ (g=
uile) getenv) "out") files #:workers (parallel-job-count) #:report-load rep=
ort-load #:report-compilation report-compilation))) (setvbuf (current-outpu=
t-port) _IONBF) (setvbuf (current-error-port) _IONBF) (set! %load-path (con=
s "/gnu/store/7ylh9biay97wi1j5zza43si5g0kcr0rk-guix-extra-source" %load-pat=
h)) (set! %load-path (append (quote ("/gnu/store/6qa3bz89xr8p3a1cl1rjz6vg4i=
51rj77-guix-core-source")) (map (lambda (extension) (string-append extensio=
n "/share/guile/site/" (effective-version))) (quote ("/gnu/store/2rfa6337gb=
84bx4f2jzn5h9wfi3lhjik-guile-git-0.0-6.36f93c1" "/gnu/store/1aglyrvw57cbw4n=
jc2q4blmbqin3r7k2-guile-bytestructures-1.0.3" "/gnu/store/6jjn9fsma94qa6y86=
qwiyyqfsm2mjkxy-guile-json-1.0.1" "/gnu/store/5lmr2x0cl45x0f15hsbaw4y560gnw=
ry3-guile-ssh-0.11.2" "/gnu/store/r21yw2lkm4fr1n7x1nxgpqrjw0xkln9r-guile-sq=
lite3-0.0-4.10c13a7"))) %load-path)) (set! %load-compiled-path (append (quo=
te ("/gnu/store/fw419jy6qwkwfclj2vr56va4nwnrwczn-guix-core")) (map (lambda =
(extension) (string-append extension "/lib/guile/" (effective-version) "/si=
te-ccache")) (quote ("/gnu/store/2rfa6337gb84bx4f2jzn5h9wfi3lhjik-guile-git=
-0.0-6.36f93c1" "/gnu/store/1aglyrvw57cbw4njc2q4blmbqin3r7k2-guile-bytestru=
ctures-1.0.3" "/gnu/store/6jjn9fsma94qa6y86qwiyyqfsm2mjkxy-guile-json-1.0.1=
" "/gnu/store/5lmr2x0cl45x0f15hsbaw4y560gnwry3-guile-ssh-0.11.2" "/gnu/stor=
e/r21yw2lkm4fr1n7x1nxgpqrjw0xkln9r-guile-sqlite3-0.0-4.10c13a7"))) %load-co=
mpiled-path)) (compile #f) (mkdir ((@ (guile) getenv) "out")) (chdir "/gnu/=
store/7ylh9biay97wi1j5zza43si5g0kcr0rk-guix-extra-source") (process-directo=
ry "." (quote ("guix/build/android-ndk-build-system.scm" "guix/build/ant-bu=
ild-system.scm" "guix/build/asdf-build-system.scm" "guix/build/lisp-utils.s=
cm" "guix/build/bournish.scm" "guix/build/cargo-build-system.scm" "guix/bui=
ld/cmake-build-system.scm" "guix/build/compile.scm" "guix/build/cvs.scm" "g=
uix/build/download-nar.scm" "guix/zlib.scm" "guix/build/dub-build-system.sc=
m" "guix/build/emacs-build-system.scm" "guix/build/emacs-utils.scm" "guix/b=
uild/font-build-system.scm" "guix/build/git.scm" "guix/build/glib-or-gtk-bu=
ild-system.scm" "guix/build/gnu-dist.scm" "guix/build/go-build-system.scm" =
"guix/build/graft.scm" "guix/build/haskell-build-system.scm" "guix/build/hg=
.scm" "guix/build/java-utils.scm" "guix/build/make-bootstrap.scm" "guix/bui=
ld/meson-build-system.scm" "guix/build/rpath.scm" "guix/build/minify-build-=
system.scm" "guix/build/ocaml-build-system.scm" "guix/build/perl-build-syst=
em.scm" "guix/build/pull.scm" "guix/build/python-build-system.scm" "guix/bu=
ild/qt-utils.scm" "guix/build/r-build-system.scm" "guix/build/ruby-build-sy=
stem.scm" "guix/build/scons-build-system.scm" "guix/build/store-copy.scm" "=
guix/build/svn.scm" "guix/build/texlive-build-system.scm" "guix/build/waf-b=
uild-system.scm" "guix/build-system/android-ndk.scm" "guix/build-system/ant=
.scm" "guix/build-system/asdf.scm" "guix/build-system/cargo.scm" "guix/buil=
d-system/cmake.scm" "guix/build-system/dub.scm" "guix/build-system/emacs.sc=
m" "guix/build-system/font.scm" "guix/build-system/glib-or-gtk.scm" "guix/b=
uild-system/go.scm" "guix/build-system/haskell.scm" "guix/build-system/meso=
n.scm" "guix/build-system/minify.scm" "guix/build-system/ocaml.scm" "guix/b=
uild-system/perl.scm" "guix/build-system/python.scm" "guix/build-system/r.s=
cm" "guix/build-system/ruby.scm" "guix/build-system/scons.scm" "guix/build-=
system/texlive.scm" "guix/svn-download.scm" "guix/build-system/waf.scm" "gu=
ix/cache.scm" "guix/ci.scm" "guix/http-client.scm" "guix/ui.scm" "guix/lice=
nses.scm" "guix/cpio.scm" "guix/cve.scm" "guix/cvs-download.scm" "guix/dock=
er.scm" "guix/git-download.scm" "guix/git.scm" "guix/glob.scm" "guix/gnu-ma=
intenance.scm" "guix/upstream.scm" "guix/gnupg.scm" "guix/graph.scm" "guix/=
hg-download.scm" "guix/import/cabal.scm" "guix/import/cpan.scm" "guix/impor=
t/utils.scm" "gnu/packages.scm" "guix/import/json.scm" "guix/import/cran.sc=
m" "guix/import/crate.scm" "guix/import/elpa.scm" "guix/import/gem.scm" "gu=
ix/import/github.scm" "guix/import/gnome.scm" "guix/import/gnu.scm" "guix/i=
mport/hackage.scm" "guix/import/print.scm" "guix/import/pypi.scm" "guix/imp=
ort/snix.scm" "guix/import/stackage.scm" "guix/import/texlive.scm" "guix/na=
r.scm" "guix/store/database.scm" "guix/store/deduplication.scm" "guix/pki.s=
cm" "guix/pk-crypto.scm" "guix/scripts.scm" "guix/self.scm" "guix/ssh.scm" =
"guix/store/ssh.scm" "guix/tests/http.scm" "guix/tests.scm" "gnu/packages/b=
ootstrap.scm" "guix/workers.scm")) ((@ (guile) getenv) "out")) (newline))) =
at eval.c:662
#10 0x00007ffff7b14cdb in scm_primitive_load (filename=3D<optimized out>) a=
t load.c:123
#11 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x686e64, vp=3D0x72bf=
30, registers=3D0x0, resume=3D-144546478) at vm-engine.c:784
#12 0x00007ffff7b74e5a in scm_call_n (proc=3D#<program 7ffff7e5c030>, argv=
=3Dargv@entry=3D0x7fffffffc298, nargs=3Dnargs@entry=3D1) at vm.c:1257
#13 0x00007ffff7af8ff7 in scm_primitive_eval (
    exp=3Dexp@entry=3D((@ (ice-9 control) %) (begin (set! %load-path (cons =
"." %load-path)) (set! %load-compiled-path (cons "." %load-compiled-path)) =
((@@ (ice-9 command-line) load/lang) "/gnu/store/815przlfissan60p4bdn7cipfi=
dc3q29-guix-extra-builder") (quit)))) at eval.c:662
#14 0x00007ffff7af9053 in scm_eval (
    exp=3D((@ (ice-9 control) %) (begin (set! %load-path (cons "." %load-pa=
th)) (set! %load-compiled-path (cons "." %load-compiled-path)) ((@@ (ice-9 =
command-line) load/lang) "/gnu/store/815przlfissan60p4bdn7cipfidc3q29-guix-=
extra-builder") (quit))), module_or_state=3Dmodule_or_state@entry=3D"#<stru=
ct module>" =3D {...}) at eval.c:696
#15 0x00007ffff7b440b0 in scm_shell (argc=3D7, argv=3D0x7fffffffc908) at sc=
ript.c:454
#16 0x00007ffff7b0fadd in invoke_main_func (body_data=3D0x7fffffffc7b0) at =
init.c:340
#17 0x00007ffff7af22da in c_body (d=3D0x7fffffffc6f0) at continuations.c:422
#18 0x00007ffff7b717fd in vm_regular_engine (thread=3D0x686e64, vp=3D0x72bf=
30, registers=3D0x0, resume=3D-144546478) at vm-engine.c:784
#19 0x00007ffff7b74e5a in scm_call_n (proc=3Dproc@entry=3D#<smob catch-clos=
ure 71e520>, argv=3Dargv@entry=3D0x0, nargs=3Dnargs@entry=3D0) at vm.c:1257
#20 0x00007ffff7af7ef9 in scm_call_0 (proc=3Dproc@entry=3D#<smob catch-clos=
ure 71e520>) at eval.c:481
#21 0x00007ffff7b64026 in catch (tag=3Dtag@entry=3D#t, thunk=3D#<smob catch=
-closure 71e520>, handler=3D<error reading variable: ERROR: Cannot access m=
emory at address 0x0>0x71e4c0,=20
---Type <return> to continue, or q <return> to quit---
    pre_unwind_handler=3D<error reading variable: ERROR: Cannot access memo=
ry at address 0x0>0x71e4a0) at throw.c:137
#22 0x00007ffff7b64365 in scm_catch_with_pre_unwind_handler (key=3Dkey@entr=
y=3D#t, thunk=3D<optimized out>, handler=3D<optimized out>, pre_unwind_hand=
ler=3D<optimized out>) at throw.c:254
#23 0x00007ffff7b6451f in scm_c_catch (tag=3Dtag@entry=3D#t, body=3Dbody@en=
try=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffffffc6f0=
, handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffffffc6f0, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at throw.c:377
#24 0x00007ffff7af28c0 in scm_i_with_continuation_barrier (body=3Dbody@entr=
y=3D0x7ffff7af22d0 <c_body>, body_data=3Dbody_data@entry=3D0x7fffffffc6f0, =
handler=3Dhandler@entry=3D0x7ffff7af2560 <c_handler>,=20
    handler_data=3Dhandler_data@entry=3D0x7fffffffc6f0, pre_unwind_handler=
=3Dpre_unwind_handler@entry=3D0x7ffff7af23c0 <pre_unwind_handler>, pre_unwi=
nd_handler_data=3D0x726bc0) at continuations.c:360
#25 0x00007ffff7af2955 in scm_c_with_continuation_barrier (func=3D<optimize=
d out>, data=3D<optimized out>) at continuations.c:456
#26 0x00007ffff7b62c3c in with_guile (base=3D0x7fffffffc758, data=3D0x7ffff=
fffc780) at threads.c:661
#27 0x00007ffff7854fb8 in GC_call_with_stack_base () from /gnu/store/kxga4l=
q2qfn0rn8yyjz86dk40bxzjhlq-libgc-7.6.4/lib/libgc.so.1
#28 0x00007ffff7b62fd8 in scm_i_with_guile (dynamic_state=3D<optimized out>=
, data=3Ddata@entry=3D0x7fffffffc780, func=3Dfunc@entry=3D0x7ffff7b0fac0 <i=
nvoke_main_func>) at threads.c:704
#29 scm_with_guile (func=3Dfunc@entry=3D0x7ffff7b0fac0 <invoke_main_func>, =
data=3Ddata@entry=3D0x7fffffffc7b0) at threads.c:710
#30 0x00007ffff7b0fc72 in scm_boot_guile (argc=3Dargc@entry=3D7, argv=3Darg=
v@entry=3D0x7fffffffc908, main_func=3Dmain_func@entry=3D0x400ce0 <inner_mai=
n>, closure=3Dclosure@entry=3D0x0) at init.c:323
#31 0x0000000000400b80 in main (argc=3D7, argv=3D0x7fffffffc908) at guile.c=
:101

--8<---------------cut here---------------end--------------->8---




Acknowledgement sent to ludo@HIDDEN (Ludovic Courtès):
New bug report received and forwarded. Copy sent to bug-guile@HIDDEN. Full text available.
Report forwarded to bug-guile@HIDDEN:
bug#31878; Package guile. Full text available.
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Last modified: Thu, 23 Aug 2018 01:45:02 UTC

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Copyright (C) 1999 Darren O. Benham, 1997 nCipher Corporation Ltd, 1994-97 Ian Jackson.