GNU logs - #49415, boring messages

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Subject: bug#49415: =?UTF-8?Q?=E2=80=98Internal?= compiler error: Segmentation =?UTF-8?Q?fault=E2=80=99?= when building aarch64-linux-gnu cross-compiler [core-updates]
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Date: Mon, 05 Jul 2021 13:52:53 +0200
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Hi guix,

While testing a patch re-introducing %build-inputs when cross-compiling
(probably irrelevant to the build failure though), I encountered an ICE
(internal compiler error).  I checked 'dmesg'; it is not an OOM.
I believe I encountered similar errors in the past, though they disappeared
when I retried the build, so this looks like a non-determenistic build
failure.

Greetings,
Maxime

g++ -fno-PIE -c   -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE   -fno-excep=
tions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrit=
e-strings -Wcast-qual -Wno-error=3Dformat-diag
-Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -W=
no-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -I. -I../.=
./gcc-10.3.0/gcc -I../../gcc-10.3.0/gcc/.
-I../../gcc-10.3.0/gcc/../include -I../../gcc-10.3.0/gcc/../libcpp/include =
 -I../../gcc-10.3.0/gcc/../libdecnumber -I../../gcc-10.3.0/gcc/../libdecnum=
ber/dpd -I../libdecnumber -I../../gcc-
10.3.0/gcc/../libbacktrace   -o tree-ssa-strlen.o -MT tree-ssa-strlen.o -MM=
D -MP -MF ./.deps/tree-ssa-strlen.TPo ../../gcc-10.3.0/gcc/tree-ssa-strlen.=
c
g++ -fno-PIE -c   -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE   -fno-excep=
tions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrit=
e-strings -Wcast-qual -Wno-error=3Dformat-diag
-Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -W=
no-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -I. -I../.=
./gcc-10.3.0/gcc -I../../gcc-10.3.0/gcc/.
-I../../gcc-10.3.0/gcc/../include -I../../gcc-10.3.0/gcc/../libcpp/include =
 -I../../gcc-10.3.0/gcc/../libdecnumber -I../../gcc-10.3.0/gcc/../libdecnum=
ber/dpd -I../libdecnumber -I../../gcc-
10.3.0/gcc/../libbacktrace   -o tree-ssa-structalias.o -MT tree-ssa-structa=
lias.o -MMD -MP -MF ./.deps/tree-ssa-structalias.TPo ../../gcc-10.3.0/gcc/t=
ree-ssa-structalias.c
during RTL pass: vartrack
../../gcc-10.3.0/gcc/tree-ssa-strlen.c: In function =E2=80=98void maybe_war=
n_overflow(gimple*, tree, const vr_values*, strinfo*, bool, bool)=E2=80=99:
../../gcc-10.3.0/gcc/tree-ssa-strlen.c:2336:1: internal compiler error: Seg=
mentation fault
 2336 | }
      | ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
make[2]: *** [Makefile:1117: tree-ssa-strlen.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/tmp/guix-build-gcc-cross-sans-libc-aarch64-lin=
ux-gnu-10.3.0.drv-0/build/gcc'
make[1]: *** [Makefile:4372: all-gcc] Error 2
make[1]: Leaving directory '/tmp/guix-build-gcc-cross-sans-libc-aarch64-lin=
ux-gnu-10.3.0.drv-0/build'
make: *** [Makefile:939: all] Error 2
error: in phase 'build': uncaught exception:
%exception #<&invoke-error program: "make" arguments: ("-j" "4" "CFLAGS=3D-=
g0 -O2") exit-status: 2 term-signal: #f stop-signal: #f>=20
phase `build' failed after 644.1 seconds
command "make" "-j" "4" "CFLAGS=3D-g0 -O2" failed with status 2
builder for `/gnu/store/j7qm4fhxbm85jg0nzhqm0h0bfc8gdlkx-gcc-cross-sans-lib=
c-aarch64-linux-gnu-10.3.0.drv' failed with exit code 1
build of /gnu/store/j7qm4fhxbm85jg0nzhqm0h0bfc8gdlkx-gcc-cross-sans-libc-aa=
rch64-linux-gnu-10.3.0.drv failed
View build log at '/var/log/guix/drvs/j7/qm4fhxbm85jg0nzhqm0h0bfc8gdlkx-gcc=
-cross-sans-libc-aarch64-linux-gnu-10.3.0.drv.bz2'.
cannot build derivation `/gnu/store/96m9gb9dsxd6adpgfyds86ndnxhf2rw9-glibc-=
cross-aarch64-linux-gnu-2.33.drv': 1 dependencies couldn't be built
building /gnu/store/5n3y8gy3w924xm5zv1v65fz7lga8hs2d-pkg-config-aarch64-lin=
ux-gnu-0.29.2.drv...
cannot build derivation `/gnu/store/nzb1jx1xvp4vsh9qgbq455m1fvnj2vsn-grep-3=
.6.drv': 1 dependencies couldn't be built
guix build: error: build of `/gnu/store/nzb1jx1xvp4vsh9qgbq455m1fvnj2vsn-gr=
ep-3.6.drv' failed

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Maxime Devos <maximedevos@HIDDEN>
Subject: bug#49415: Acknowledgement (=?UTF-8?Q?=E2=80=98Internal?=
 compiler error: Segmentation =?UTF-8?Q?fault=E2=80=99?= when building
 aarch64-linux-gnu cross-compiler [core-updates])
Message-ID: <handler.49415.B.162548599321733.ack <at> debbugs.gnu.org>
References: <4f47afb158f34d9d2513abfd785a28bfcfa6d8f1.camel@HIDDEN>
X-Gnu-PR-Message: ack 49415
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Reply-To: 49415 <at> debbugs.gnu.org
Date: Mon, 05 Jul 2021 11:54:01 +0000

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49415: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D49415
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Message sent to bug-guix@HIDDEN:

Subject: bug#49415: =?UTF-8?Q?=E2=80=98Internal?= compiler error: Segmentation =?UTF-8?Q?fault=E2=80=99?= when building aarch64-linux-gnu cross-compiler [core-updates]
Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
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To: Maxime Devos <maximedevos@HIDDEN>
Cc: 49415 <at> debbugs.gnu.org
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
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Date: Tue, 06 Jul 2021 12:13:16 +0200
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 (Maxime Devos's message of "Mon, 05 Jul 2021 13:52:53 +0200")
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Hi,

Maxime Devos <maximedevos@HIDDEN> skribis:

> While testing a patch re-introducing %build-inputs when cross-compiling
> (probably irrelevant to the build failure though), I encountered an ICE
> (internal compiler error).  I checked 'dmesg'; it is not an OOM.
> I believe I encountered similar errors in the past, though they disappear=
ed
> when I retried the build, so this looks like a non-determenistic build
> failure.

[...]

> g++ -fno-PIE -c   -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE   -fno-exc=
eptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwr=
ite-strings -Wcast-qual -Wno-error=3Dformat-diag
> -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long =
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -I. -I..=
/../gcc-10.3.0/gcc -I../../gcc-10.3.0/gcc/.
> -I../../gcc-10.3.0/gcc/../include -I../../gcc-10.3.0/gcc/../libcpp/includ=
e  -I../../gcc-10.3.0/gcc/../libdecnumber -I../../gcc-10.3.0/gcc/../libdecn=
umber/dpd -I../libdecnumber -I../../gcc-
> 10.3.0/gcc/../libbacktrace   -o tree-ssa-structalias.o -MT tree-ssa-struc=
talias.o -MMD -MP -MF ./.deps/tree-ssa-structalias.TPo ../../gcc-10.3.0/gcc=
/tree-ssa-structalias.c
> during RTL pass: vartrack
> ../../gcc-10.3.0/gcc/tree-ssa-strlen.c: In function =E2=80=98void maybe_w=
arn_overflow(gimple*, tree, const vr_values*, strinfo*, bool, bool)=E2=80=
=99:
> ../../gcc-10.3.0/gcc/tree-ssa-strlen.c:2336:1: internal compiler error: S=
egmentation fault
>  2336 | }
>       | ^
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <https://gcc.gnu.org/bugs/> for instructions.
> make[2]: *** [Makefile:1117: tree-ssa-strlen.o] Error 1

I built it a few times in recent days (from x86_64-linux) and did not
experience this bug (didn=E2=80=99t see it on ci.guix either).  So yes, may=
be
it=E2=80=99s a non-deterministic bug?

Ludo=E2=80=99.

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