Package: emacs;
Reported by: Oliver Reiter <oliver.reiter <at> snapdragon.cc>
Date: Mon, 29 Sep 2025 20:04:01 UTC
Severity: normal
Found in version 31.0.50
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bug-gnu-emacs <at> gnu.org:bug#79542; Package emacs.
(Mon, 29 Sep 2025 20:04:01 GMT) Full text and rfc822 format available.Oliver Reiter <oliver.reiter <at> snapdragon.cc>:bug-gnu-emacs <at> gnu.org.
(Mon, 29 Sep 2025 20:04:02 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: Oliver Reiter <oliver.reiter <at> snapdragon.cc> To: bug-gnu-emacs <at> gnu.org Subject: 31.0.50; feature/igc: crash (2/2) using vterm Date: Mon, 29 Sep 2025 22:02:40 +0200
Dear all,
this is the second crash (the first is bug#79541) while sending code
from a buffer to a REPL in vterm. I have both GDB sessions still open,
and saved the coredumps as well as the binary, should anyone need
further info.
(gdb) bt full
#0 terminate_due_to_signal (sig=11, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
No locals.
#1 0x00005555555a1111 in handle_fatal_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
No locals.
#2 deliver_thread_signal (handler=<optimized out>, sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
old_errno = <optimized out>
#3 deliver_fatal_thread_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
No locals.
#4 handle_sigsegv (sig=11, siginfo=0x555555abfd30 <sigsegv_stack+64496>, arg=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
fatal = <optimized out>
#5 <signal handler called>
No locals.
#6 0x00007ffff343e74b in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
No locals.
#7 0x00005555559639f7 in sigHandle (sig=<optimized out>, info=<optimized out>, uap=<optimized out>) at ../mps/code/protsgix.c:114
e = <optimized out>
asigset = {
__val = {1024, 93824996255406, 68719476734, 140737353838592, 13, 12, 0, 140736943980360, 140736943980368, 140737353838592, 4294967297, 93824996486145, 140737353838592, 140737353838608, 140737109727584,
140736942601640}
}
oldset = {
__val = {1024, 140736947235592, 140736947235592, 0, 140737488311472, 93824996205011, 140737488311696, 1, 1, 1, 140737488311696, 93824996489204, 140737488311536, 140736942596992, 140737488311760,
4294967297}
}
sa = {
__sigaction_handler = {
sa_handler = 0x555555963930 <sigHandle>,
sa_sigaction = 0x555555963930 <sigHandle>
},
sa_mask = {
__val = {0, 1, 1, 1, 140736942596368, 93824998065904, 93824998065904, 140737190244352, 93824997697504, 140737488311280, 93824996127275, 140737189744640, 140737353838592, 140737488311280,
93824996469329, 140737353838592}
},
sa_flags = 335544324,
sa_restorer = 0x7ffff343e540 <__restore_rt>
}
_saved_errno = 11
#8 <signal handler called>
No locals.
#9 0x00005555557f9d7d in string_char_and_length (p=<optimized out>, length=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/character.h:374
c = <optimized out>
d = <optimized out>
#10 fetch_string_char_as_multibyte_advance (string=<optimized out>, charidx=<synthetic pointer>, byteidx=<synthetic pointer>) at /home/reitero/build/sources/emacs/emacs_debug/src/character.h:473
chlen = <optimized out>
output = <optimized out>
b = 109749200
chp = 0x7fffee3b3000 ""
#11 print_object (obj=<optimized out>, escapeflag=true, pc=0x7fffffff6560) at /home/reitero/build/sources/emacs/emacs_debug/src/print.c:2659
c = <optimized out>
i_byte = 109749200
len = 1
i = <optimized out>
name = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--c
size_byte = <optimized out>
p = <optimized out>
signedp = <optimized out>
confusing = false
printcharfun = <optimized out>
base_depth = <optimized out>
base_sp = <optimized out>
buf = '\000' <repeats 53 times>
print_obj = <optimized out>
#12 0x00005555557fc2dc in print (obj=<optimized out>, escapeflag=<optimized out>, pc=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/print.c:1325
No locals.
#13 0x00005555557fcc47 in Fprin1_to_string (object=0x7fffe3d50dfb, noescape=0x0, overrides=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/print.c:825
count = <optimized out>
save_deactivate_mark = 0x0
pc = {
printcharfun = 0x0,
old_printcharfun = 0x7fffe8d7c035,
old_point = -1,
start_point = -1,
old_point_byte = -1,
start_point_byte = -1,
specpdl_count = {
bytes = 352
},
being_printed = {0x7fffe3d50dfb, 0x2aaa920b2cd0, 0x0 <repeats 198 times>}
}
previous = <optimized out>
#14 0x00005555557b063c in styled_format (nargs=3, args=0x7fffffffc7a8, message=message <at> entry=true) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3677
noescape = <optimized out>
plus_flag = <optimized out>
field_width = 0
num = <optimized out>
num_end = 0x7fffffff6df8 "S"
space_flag = <optimized out>
sharp_flag = <optimized out>
precision = 9223372036854775807
arg = <optimized out>
float_conversion = <optimized out>
zero_flag = <optimized out>
conversion = <optimized out>
spec_index = 1
minus_flag = <optimized out>
precision_given = <optimized out>
spec = 0x7fffffff6c40
n0 = 1
ispec0 = 1
format0 = 0x7fffffff6df7 "%S"
convbytes = 1
convsrc = 0x7fffffff6df7 "%S"
format_char = <optimized out>
used = <optimized out>
buflen_needed = <optimized out>
n = 2
initial_buffer = "Error running timer ‘vterm--delayed-redraw’: d-redraw’\000\000\000\000\001\000\000\000\000\000\000\000\020ax\337\377\177\000\000\000\200\303\361\377\177\000\000\020p\373\367\377\177\000\0000CD\351\377\177\000\000\001\000\000\000\000\000\000\0000p\377\377\377\177\000\000+\262\220UUU", '\000' <repeats 11 times>, "p\373\367\377\177\000\000\000\200\303\361\377\177\000\000\020p\373\367\377\177\000\0000CD\351\377\177\000\000\000p\373\367\377\177\000\000pr\377\377\377\177\000\000\v<\226UUU", '\000' <repeats 11 times>, "\200\303\361\377\177"...
buf = 0x7fffffff6f80 "Error running timer ‘vterm--delayed-redraw’: d-redraw’"
bufsize = 22318
max_bufsize = 2305843009213693952
p = 0x7fffffff6fb1 "d-redraw’"
buf_save_value_index = <optimized out>
format = <optimized out>
end = <optimized out>
nchars = 45
maybe_combine_byte = false
val = <optimized out>
arg_intervals = <optimized out>
sa_avail = <optimized out>
sa_count = <optimized out>
info = 0x7fffffff6c20
multibyte_format = false
formatlen = <optimized out>
format_start = 0x7fffffff6de0 "Error running timer%s: %S"
fmt_props = false
nspec_bound = <optimized out>
info_size = <optimized out>
alloca_size = <optimized out>
spec_arguments = 0x7fffe3d50e68
discarded = 0x7fffffff6da0 ""
multibyte = true
quoting_style = 0x73b8
ispec = 2
nspec = <optimized out>
new_result = <optimized out>
retry = <optimized out>
USEFUL_PRECISION_MAX = USEFUL_PRECISION_MAX
SPRINTF_BUFSIZE = SPRINTF_BUFSIZE
CONVBYTES_ROOM = CONVBYTES_ROOM
pMlen = pMlen
#15 0x00005555557b12ba in Fformat_message (nargs=<optimized out>, args=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3428
No locals.
#16 Fmessage (nargs=<optimized out>, args=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3225
val = <optimized out>
#17 Fmessage (nargs=<optimized out>, args=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3191
val = <optimized out>
#18 0x00005555557b8ad8 in Ffuncall (nargs=<optimized out>, args=0x7fffffffc7a0) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:3218
count = <optimized out>
val = <optimized out>
#19 0x00007ffff187425f in F74696d65722d6576656e742d68616e646c6572_timer_event_handler_0 ()
from /home/reitero/build/sources/emacs/emacs_debug/src/../native-lisp/31.0.50-f2fa238d/preloaded/timer-3ee7cfd9-6ab3799c.eln
No symbol table info available.
#20 0x00005555557b8ad8 in Ffuncall (nargs=<optimized out>, args=0x7fffffffc8c0) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:3218
count = <optimized out>
val = <optimized out>
#21 0x00005555556eb5b5 in timer_check_2 (timers=<optimized out>, idle_timers=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4833
count = <optimized out>
old_deactivate_mark = 0x0
chosen_timer = <optimized out>
timer = <optimized out>
idle_timer = <optimized out>
ripe = <optimized out>
timer_ripe = <optimized out>
idle_timer_ripe = <optimized out>
difference = <optimized out>
timer_difference = <optimized out>
idle_timer_difference = <optimized out>
now = <optimized out>
idleness_now = <optimized out>
#22 timer_check () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4898
nexttime = <optimized out>
timers = 0x7fffe3d50cf3
idle_timers = 0x7fffe3d50d23
tem = <optimized out>
#23 0x0000555555841833 in wait_reading_process_output.constprop.1 (time_limit=time_limit <at> entry=0, nsecs=nsecs <at> entry=0, read_kbd=read_kbd <at> entry=-1, do_display=true, just_wait_proc=0, wait_proc=0x0,
wait_for_cell=0x0) at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5463
old_timers_run = 1752
wrapped = <optimized out>
read_some_bytes = <optimized out>
count = <optimized out>
process_skipped = <optimized out>
channel_start = <optimized out>
child_fd = <optimized out>
nread = <optimized out>
channel = <optimized out>
nfds = <optimized out>
Available = {
fds_bits = {0 <repeats 16 times>}
}
Writeok = {
fds_bits = {0 <repeats 16 times>}
}
check_write = <optimized out>
check_delay = <optimized out>
no_avail = <optimized out>
xerrno = 11
proc = <optimized out>
timeout = {
tv_sec = 100000,
tv_nsec = 0
}
end_time = <optimized out>
timer_delay = <optimized out>
got_output_end_time = <optimized out>
wait = <optimized out>
got_some_output = <optimized out>
prev_wait_proc_nbytes_read = 0
retry_for_async = <optimized out>
count = <optimized out>
now = <optimized out>
last_read_channel = <optimized out>
MINIMUM = MINIMUM
TIMEOUT = TIMEOUT
FOREVER = FOREVER
#24 0x00005555556ee15f in kbd_buffer_get_event (kbp=kbp <at> entry=0x7fffffffcf50, used_mouse_menu=used_mouse_menu <at> entry=0x7fffffffd4ab, end_time=end_time <at> entry=0x0)
at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4121
do_display = <optimized out>
obj = <optimized out>
str = <optimized out>
#25 0x00005555556efd19 in read_event_from_main_queue (end_time=<optimized out>, local_getcjmp=<optimized out>, used_mouse_menu=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:2342
c = 0x0
save_jump = {{
__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
__mask_was_saved = 0,
__saved_mask = {
__val = {0 <repeats 16 times>}
}
}}
kb = 0x555555d71310
count = <optimized out>
#26 read_decoded_event_from_main_queue (end_time=<optimized out>, local_getcjmp=<optimized out>, prev_event=<optimized out>, used_mouse_menu=<optimized out>)
at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:2406
nextevt = <optimized out>
frame = <optimized out>
terminal = <optimized out>
events = {0x0 <repeats 16 times>}
n = <optimized out>
#27 read_char (commandflag=1, map=0x7fffe3c0e5c3, prev_event=0x0, used_mouse_menu=0x7fffffffd4ab, end_time=0x0) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:3037
c = 0x0
local_getcjmp = {{
__jmpbuf = {0, 8575384497848626057, 93824997564320, 140737009437757, 140737014457795, 0, 8575384497099942793, 2473804295881403273},
__mask_was_saved = 0,
__saved_mask = {
__val = {55832, 140737097796544, 0, 578, 144, 0, 10442207524094161920, 93824996763980, 96, 96, 5, 140737488343696, 93824994733673, 140737096572763, 0, 0}
}
}}
save_jump = {{
__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
__mask_was_saved = 0,
__saved_mask = {
__val = {0 <repeats 16 times>}
}
}}
tem = <optimized out>
save = <optimized out>
previous_echo_area_message = 0x0
also_record = 0x0
reread = false
recorded = false
polling_stopped_here = true
orig_kboard = 0x555555d71310
retry = <optimized out>
jmpcount = <optimized out>
c_volatile = 0x0
#28 0x000055555570834d in read_key_sequence.constprop.0 (keybuf=<optimized out>, prevent_redisplay=false, disable_text_conversion_p=<optimized out>, fix_current_buffer=<optimized out>,
can_return_switch_frame=<optimized out>, dont_downcase_last=<optimized out>, prompt=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:11196
interrupted_kboard = 0x555555d71310
interrupted_frame = <optimized out>
key = <optimized out>
used_mouse_menu = false
echo_local_start = 0
last_real_key_start = <optimized out>
keys_local_start = 0
new_binding = <optimized out>
count = <optimized out>
t = <optimized out>
echo_start = 0
keys_start = 0
current_binding = 0x7fffe3c0e5c3
first_unbound = 31
mock_input = 0
used_mouse_menu_history = {false <repeats 30 times>}
fkey = {
parent = 0x7fffe2c249ab,
map = 0x7fffe2c249ab,
start = 0,
end = 0
}
keytran = {
parent = 0x7fffe1c02cdb,
map = 0x7fffe1c02cdb,
start = 0,
end = 0
}
indec = {
parent = 0x7fffe2c24993,
map = 0x7fffe2c24993,
start = 0,
end = 0
}
shift_translated = <optimized out>
delayed_switch_frame = <optimized out>
original_uppercase = <optimized out>
original_uppercase_position = <optimized out>
starting_buffer = <optimized out>
fake_prefixed_keys = <optimized out>
first_event = 0x0
second_event = <optimized out>
replay_key = <optimized out>
#29 0x00005555556e6af7 in command_loop_1 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1441
keybuf = {0xb2, 0x196, 0x196, 0x3, 0xc, 0x13eb8, 0x38, 0x7fffe8b88bc5, 0x7fffffffd6e0, 0x90ea2c6b008b3400, 0x0, 0x60, 0x0, 0x0, 0x0, 0x7fffffffd9e0, 0x7fffffffd790, 0x5555556e45f7 <cmd_error+551>, 0x0,
0x0, 0x0, 0x0, 0x2aaa8c197970, 0x7fffe393cdab, 0x7fffe1c017ec, 0xc5c0, 0x55555597ec00, 0x90ea2c6b008b3400, 0xc, 0xd040}
i = <optimized out>
last_pt = <optimized out>
count = <optimized out>
cmd = <optimized out>
prev_modiff = 323
prev_buffer = 0x7fffe8b88bc0
#30 0x00005555557b5433 in internal_condition_case (bfun=0x5555556e6930 <command_loop_1>, handlers=<optimized out>, hfun=0x5555556e43d0 <cmd_error>) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1713
val = <optimized out>
c = 0x555555c7a040
#31 0x00005555556e46c6 in command_loop_2 (handlers=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1180
val = <optimized out>
#32 0x00005555557b520f in internal_catch (tag=<optimized out>, func=0x5555556e46a0 <command_loop_2>, arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1393
val = <optimized out>
c = 0x555555c79eb0
#33 0x00005555556e61e3 in command_loop () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1158
No locals.
#34 0x00005555556e6334 in recursive_edit_1.isra.0 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:766
count = <optimized out>
val = <optimized out>
#35 0x00005555556e68ff in Frecursive_edit () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:849
count = <optimized out>
buffer = <optimized out>
#36 0x00005555555ae841 in main (argc=1, argv=0x7fffffffdbe8) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2651
stack_bottom_variable = 0x7fff00000000
old_argc = <optimized out>
dump_file = 0x0
no_loadup = <optimized out>
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x0
original_pwd = 0x0
dump_mode = 0x0
skip_args = 0
temacs = 0x0
attempt_load_pdump = <optimized out>
only_version = false
rlim = {
rlim_cur = 10022912,
rlim_max = 18446744073709551615
}
lc_all = <optimized out>
sockfd = -1
module_assertions = <optimized out>
Lisp Backtrace:
"message" (0xffffc7a8)
"timer-event-handler" (0xffffc8c8)
Best,
Oliver
In GNU Emacs 31.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version
3.24.50, cairo version 1.18.4) of 2025-09-29 built on wilap
Repository revision: a53627960e4cc45161538cb192086290272cd763
Repository branch: feature/igc
System Description: Arch Linux
Configured using:
'configure 'CFLAGS=-g3 -ggdb -O3 -mtune=native -march=native
-fno-omit-frame-pointer -fno-tree-sra' --prefix=/usr --sysconfdir=/etc
--libexecdir=/usr/lib --localstatedir=/var --with-mps=yes
--with-gameuser=root:games --with-pgtk --with-xft --with-harfbuzz
--with-modules --without-compress-install --without-m17n-flt
--with-libotf --without-imagemagick --without-gsettings --without-gconf
--with-native-compilation=aot --with-tree-sitter
--enable-link-time-optimization'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM HARFBUZZ JPEG LCMS2
LIBOTF LIBSYSTEMD LIBXML2 MODULES MPS NATIVE_COMP NOTIFY INOTIFY PDUMPER
PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS
TREE_SITTER WEBP XIM GTK3 ZLIB
Important settings:
value of $LANG: de_AT.UTF-8
locale-coding-system: utf-8-unix
bug-gnu-emacs <at> gnu.org:bug#79542; Package emacs.
(Tue, 30 Sep 2025 15:01:02 GMT) Full text and rfc822 format available.Message #8 received at 79542 <at> debbugs.gnu.org (full text, mbox):
From: Eli Zaretskii <eliz <at> gnu.org> To: Oliver Reiter <oliver.reiter <at> snapdragon.cc> Cc: 79542 <at> debbugs.gnu.org Subject: Re: bug#79542: 31.0.50; feature/igc: crash (2/2) using vterm Date: Tue, 30 Sep 2025 18:00:15 +0300
> Date: Mon, 29 Sep 2025 22:02:40 +0200
> From: Oliver Reiter via "Bug reports for GNU Emacs,
> the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
>
>
> this is the second crash (the first is bug#79541) while sending code
> from a buffer to a REPL in vterm. I have both GDB sessions still open,
> and saved the coredumps as well as the binary, should anyone need
> further info.
>
> (gdb) bt full
> #0 terminate_due_to_signal (sig=11, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
> No locals.
> #1 0x00005555555a1111 in handle_fatal_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
> No locals.
> #2 deliver_thread_signal (handler=<optimized out>, sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
> old_errno = <optimized out>
> #3 deliver_fatal_thread_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
> No locals.
> #4 handle_sigsegv (sig=11, siginfo=0x555555abfd30 <sigsegv_stack+64496>, arg=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
> fatal = <optimized out>
> #5 <signal handler called>
> No locals.
> #6 0x00007ffff343e74b in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
> No locals.
> #7 0x00005555559639f7 in sigHandle (sig=<optimized out>, info=<optimized out>, uap=<optimized out>) at ../mps/code/protsgix.c:114
> e = <optimized out>
> asigset = {
> __val = {1024, 93824996255406, 68719476734, 140737353838592, 13, 12, 0, 140736943980360, 140736943980368, 140737353838592, 4294967297, 93824996486145, 140737353838592, 140737353838608, 140737109727584,
> 140736942601640}
> }
> oldset = {
> __val = {1024, 140736947235592, 140736947235592, 0, 140737488311472, 93824996205011, 140737488311696, 1, 1, 1, 140737488311696, 93824996489204, 140737488311536, 140736942596992, 140737488311760,
> 4294967297}
> }
> sa = {
> __sigaction_handler = {
> sa_handler = 0x555555963930 <sigHandle>,
> sa_sigaction = 0x555555963930 <sigHandle>
> },
> sa_mask = {
> __val = {0, 1, 1, 1, 140736942596368, 93824998065904, 93824998065904, 140737190244352, 93824997697504, 140737488311280, 93824996127275, 140737189744640, 140737353838592, 140737488311280,
> 93824996469329, 140737353838592}
> },
> sa_flags = 335544324,
> sa_restorer = 0x7ffff343e540 <__restore_rt>
> }
> _saved_errno = 11
> #8 <signal handler called>
> No locals.
> #9 0x00005555557f9d7d in string_char_and_length (p=<optimized out>, length=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/character.h:374
> c = <optimized out>
> d = <optimized out>
> #10 fetch_string_char_as_multibyte_advance (string=<optimized out>, charidx=<synthetic pointer>, byteidx=<synthetic pointer>) at /home/reitero/build/sources/emacs/emacs_debug/src/character.h:473
> chlen = <optimized out>
> output = <optimized out>
> b = 109749200
> chp = 0x7fffee3b3000 ""
> #11 print_object (obj=<optimized out>, escapeflag=true, pc=0x7fffffff6560) at /home/reitero/build/sources/emacs/emacs_debug/src/print.c:2659
> c = <optimized out>
> i_byte = 109749200
> len = 1
> i = <optimized out>
> name = <optimized out>
> --Type <RET> for more, q to quit, c to continue without paging--c
> size_byte = <optimized out>
> p = <optimized out>
> signedp = <optimized out>
> confusing = false
> printcharfun = <optimized out>
> base_depth = <optimized out>
> base_sp = <optimized out>
> buf = '\000' <repeats 53 times>
> print_obj = <optimized out>
> #12 0x00005555557fc2dc in print (obj=<optimized out>, escapeflag=<optimized out>, pc=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/print.c:1325
> No locals.
> #13 0x00005555557fcc47 in Fprin1_to_string (object=0x7fffe3d50dfb, noescape=0x0, overrides=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/print.c:825
> count = <optimized out>
> save_deactivate_mark = 0x0
> pc = {
> printcharfun = 0x0,
> old_printcharfun = 0x7fffe8d7c035,
> old_point = -1,
> start_point = -1,
> old_point_byte = -1,
> start_point_byte = -1,
> specpdl_count = {
> bytes = 352
> },
> being_printed = {0x7fffe3d50dfb, 0x2aaa920b2cd0, 0x0 <repeats 198 times>}
> }
> previous = <optimized out>
> #14 0x00005555557b063c in styled_format (nargs=3, args=0x7fffffffc7a8, message=message <at> entry=true) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3677
> noescape = <optimized out>
> plus_flag = <optimized out>
> field_width = 0
> num = <optimized out>
> num_end = 0x7fffffff6df8 "S"
> space_flag = <optimized out>
> sharp_flag = <optimized out>
> precision = 9223372036854775807
> arg = <optimized out>
> float_conversion = <optimized out>
> zero_flag = <optimized out>
> conversion = <optimized out>
> spec_index = 1
> minus_flag = <optimized out>
> precision_given = <optimized out>
> spec = 0x7fffffff6c40
> n0 = 1
> ispec0 = 1
> format0 = 0x7fffffff6df7 "%S"
> convbytes = 1
> convsrc = 0x7fffffff6df7 "%S"
> format_char = <optimized out>
> used = <optimized out>
> buflen_needed = <optimized out>
> n = 2
> initial_buffer = "Error running timer ‘vterm--delayed-redraw’: d-redraw’\000\000\000\000\001\000\000\000\000\000\000\000\020ax\337\377\177\000\000\000\200\303\361\377\177\000\000\020p\373\367\377\177\000\0000CD\351\377\177\000\000\001\000\000\000\000\000\000\0000p\377\377\377\177\000\000+\262\220UUU", '\000' <repeats 11 times>, "p\373\367\377\177\000\000\000\200\303\361\377\177\000\000\020p\373\367\377\177\000\0000CD\351\377\177\000\000\000p\373\367\377\177\000\000pr\377\377\377\177\000\000\v<\226UUU", '\000' <repeats 11 times>, "\200\303\361\377\177"...
> buf = 0x7fffffff6f80 "Error running timer ‘vterm--delayed-redraw’: d-redraw’"
> bufsize = 22318
> max_bufsize = 2305843009213693952
> p = 0x7fffffff6fb1 "d-redraw’"
> buf_save_value_index = <optimized out>
> format = <optimized out>
> end = <optimized out>
> nchars = 45
> maybe_combine_byte = false
> val = <optimized out>
> arg_intervals = <optimized out>
> sa_avail = <optimized out>
> sa_count = <optimized out>
> info = 0x7fffffff6c20
> multibyte_format = false
> formatlen = <optimized out>
> format_start = 0x7fffffff6de0 "Error running timer%s: %S"
> fmt_props = false
> nspec_bound = <optimized out>
> info_size = <optimized out>
> alloca_size = <optimized out>
> spec_arguments = 0x7fffe3d50e68
> discarded = 0x7fffffff6da0 ""
> multibyte = true
> quoting_style = 0x73b8
> ispec = 2
> nspec = <optimized out>
> new_result = <optimized out>
> retry = <optimized out>
> USEFUL_PRECISION_MAX = USEFUL_PRECISION_MAX
> SPRINTF_BUFSIZE = SPRINTF_BUFSIZE
> CONVBYTES_ROOM = CONVBYTES_ROOM
> pMlen = pMlen
> #15 0x00005555557b12ba in Fformat_message (nargs=<optimized out>, args=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3428
> No locals.
> #16 Fmessage (nargs=<optimized out>, args=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3225
> val = <optimized out>
> #17 Fmessage (nargs=<optimized out>, args=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/editfns.c:3191
> val = <optimized out>
> #18 0x00005555557b8ad8 in Ffuncall (nargs=<optimized out>, args=0x7fffffffc7a0) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:3218
> count = <optimized out>
> val = <optimized out>
> #19 0x00007ffff187425f in F74696d65722d6576656e742d68616e646c6572_timer_event_handler_0 ()
> from /home/reitero/build/sources/emacs/emacs_debug/src/../native-lisp/31.0.50-f2fa238d/preloaded/timer-3ee7cfd9-6ab3799c.eln
> No symbol table info available.
> #20 0x00005555557b8ad8 in Ffuncall (nargs=<optimized out>, args=0x7fffffffc8c0) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:3218
> count = <optimized out>
> val = <optimized out>
> #21 0x00005555556eb5b5 in timer_check_2 (timers=<optimized out>, idle_timers=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4833
> count = <optimized out>
> old_deactivate_mark = 0x0
> chosen_timer = <optimized out>
> timer = <optimized out>
> idle_timer = <optimized out>
> ripe = <optimized out>
> timer_ripe = <optimized out>
> idle_timer_ripe = <optimized out>
> difference = <optimized out>
> timer_difference = <optimized out>
> idle_timer_difference = <optimized out>
> now = <optimized out>
> idleness_now = <optimized out>
> #22 timer_check () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4898
> nexttime = <optimized out>
> timers = 0x7fffe3d50cf3
> idle_timers = 0x7fffe3d50d23
> tem = <optimized out>
What happened here is that Emacs attempted to run a timer, and the
timer function signaled an error. Emacs then segfaulted trying to
show the error message from the timer function, evidently because some
string that is part of the error data has invalid data(??).
The backtrace says the segfault happened here:
> #9 0x00005555557f9d7d in string_char_and_length (p=<optimized out>, length=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/character.h:374
This seems to be on this line:
INLINE int
string_char_and_length (unsigned char const *p, int *length)
{
int c = p[0]; <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
if (! (c & 0x80))
{
*length = 1;
return c;
}
eassume (0xC0 <= c);
This could only happen if 'p' is an invalid pointer. 'p' comes from
here:
INLINE int
fetch_string_char_as_multibyte_advance (Lisp_Object string,
ptrdiff_t *charidx, ptrdiff_t *byteidx)
{
int output;
ptrdiff_t b = *byteidx;
unsigned char *chp = SDATA (string) + b; <<<<<<<<<<<<<<<<<<
if (STRING_MULTIBYTE (string))
{
int chlen;
output = string_char_and_length (chp, &chlen);
b += chlen;
}
So I suspect that some Lisp string was moved by GC behind our back.
Maybe we have some problem in prin1-to-string or something?
In any case, you should look into the error signaled by that timer
function (which evidently belongs to vterm again).
> Configured using:
> 'configure 'CFLAGS=-g3 -ggdb -O3 -mtune=native -march=native
I recommend against using -O3 when compiling Emacs.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.