Package: emacs;
Reported by: Oliver Reiter <reiter <at> wiiw.ac.at>
Date: Sat, 15 Mar 2025 06:40:02 UTC
Severity: normal
Found in version 31.0.50
Done: Pip Cet <pipcet <at> protonmail.com>
Bug is archived. No further changes may be made.
Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: Oliver Reiter <reiter <at> wiiw.ac.at> To: bug-gnu-emacs <at> gnu.org Subject: 31.0.50; feature/igc: crash "switching to thread" Date: Fri, 14 Mar 2025 21:34:32 +0100
Evening!
After weeks of no crash, emacs crashed on me today again.
[New Thread 0x7fffb3bb96c0 (LWP 54691)]
[Thread 0x7fffb3bb96c0 (LWP 54691) exited]
... quite a lot of those
[New Thread 0x7fffb3bb96c0 (LWP 54696)]
[Thread 0x7fffb3bb96c0 (LWP 54696) exited]
[New Thread 0x7fffb3bb96c0 (LWP 54709)]
[Thread 0x7fffb3bb96c0 (LWP 54709) exited]
[New Thread 0x7fffb3bb96c0 (LWP 54751)]
[Switching to Thread 0x7fffb3bb96c0 (LWP 54751)]
Thread 409 "diff-hl--update" hit Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:425
425 {
(gdb) bt
#0 terminate_due_to_signal (sig=6, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:425
#1 0x00005555556d31a5 in emacs_abort () at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:2378
#2 0x000055555579fa76 in fix_lisp_obj (ss=ss <at> entry=0x7fffb3bb81a8, pobj=pobj <at> entry=0x555556f67eb0) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:1132
#3 0x00005555557a1040 in scan_specpdl (ss=0x7fffb3bb81a8, start=<optimized out>, end=0x555556f684e0, closure=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:1535
#4 0x0000555555861428 in RootScan ()
#5 0x00005555558615fa in traceScanRootRes ()
#6 0x0000555555861c0b in TraceStart ()
#7 0x0000555555862bf8 in PolicyStartTrace ()
#8 0x0000555555866331 in TracePoll ()
#9 0x00005555558664f9 in ArenaPoll ()
#10 0x00005555558668e3 in mps_ap_fill ()
#11 0x00005555557a13b7 in alloc_impl (size=size <at> entry=304, type=type <at> entry=IGC_OBJ_HANDLER, ap=0x7fffb8367818) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:4094
#12 0x00005555557a14a6 in alloc (size=size <at> entry=304, type=type <at> entry=IGC_OBJ_HANDLER) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:4122
#13 0x00005555557a17cd in igc_alloc_handler () at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:4499
#14 0x00005555557a392f in run_thread (state=0x7fffa66f9c90) at /home/reitero/build/sources/emacs/emacs_debug/src/thread.c:804
#15 0x00007ffff353270a in start_thread (arg=<optimized out>) at pthread_create.c:448
#16 0x00007ffff35b6aac in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
(gdb) bt full
#0 terminate_due_to_signal (sig=6, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:425
No locals.
#1 0x00005555556d31a5 in emacs_abort () at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:2378
No locals.
#2 0x000055555579fa76 in fix_lisp_obj (ss=ss <at> entry=0x7fffb3bb81a8, pobj=pobj <at> entry=0x555556f67eb0) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:1132
word = <optimized out>
p = 0x555556f67eb0
tag = 1
client = <optimized out>
base = <optimized out>
res = <optimized out>
_ss = 0x7fffb3bb81a8
_mps_zs = <optimized out>
_mps_ufs = 0
_mps_wt = <optimized out>
_mps_w = <optimized out>
#3 0x00005555557a1040 in scan_specpdl (ss=0x7fffb3bb81a8, start=<optimized out>, end=0x555556f684e0, closure=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:1535
res = <optimized out>
pdl = 0x555556f67ea0
t = <optimized out>
_ss = 0x7fffb3bb81a8
_mps_zs = <optimized out>
_mps_ufs = 0
_mps_wt = <optimized out>
_mps_w = <optimized out>
#4 0x0000555555861428 in RootScan ()
No symbol table info available.
#5 0x00005555558615fa in traceScanRootRes ()
No symbol table info available.
#6 0x0000555555861c0b in TraceStart ()
No symbol table info available.
#7 0x0000555555862bf8 in PolicyStartTrace ()
No symbol table info available.
#8 0x0000555555866331 in TracePoll ()
No symbol table info available.
#9 0x00005555558664f9 in ArenaPoll ()
No symbol table info available.
#10 0x00005555558668e3 in mps_ap_fill ()
No symbol table info available.
#11 0x00005555557a13b7 in alloc_impl (size=size <at> entry=304, type=type <at> entry=IGC_OBJ_HANDLER, ap=0x7fffb8367818) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:4094
res = <optimized out>
p = 0x0
#12 0x00005555557a14a6 in alloc (size=size <at> entry=304, type=type <at> entry=IGC_OBJ_HANDLER) at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:4122
No locals.
#13 0x00005555557a17cd in igc_alloc_handler () at /home/reitero/build/sources/emacs/emacs_debug/src/igc.c:4499
h = <optimized out>
#14 0x00005555557a392f in run_thread (state=0x7fffa66f9c90) at /home/reitero/build/sources/emacs/emacs_debug/src/thread.c:804
stack_pos = {
o = 0x7fffb3bb85c0,
p = 0x7fffb3bb85c0,
c = -64 '\300'
}
self = 0x7fffa66f9c90
--Type <RET> for more, q to quit, c to continue without paging--
iter = <optimized out>
c = <optimized out>
#15 0x00007ffff353270a in start_thread (arg=<optimized out>) at pthread_create.c:448
ret = <optimized out>
pd = <optimized out>
out = <optimized out>
unwind_buf = {
cancel_jmp_buf = {{
jmp_buf = {140736208803520, -7017451993682105089, 140736208803520, -600, 11, 140737488338656, -7017451993560470273, -7017310503391286017},
mask_was_saved = 0
}},
priv = {
pad = {0x0, 0x0, 0x0, 0x0},
data = {
prev = 0x0,
cleanup = 0x0,
canceltype = 0
}
}
}
not_first_call = <optimized out>
#16 0x00007ffff35b6aac in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
No locals.
(gdb) xbacktrace ## is empty
In GNU Emacs 31.0.50 (build 13, x86_64-pc-linux-gnu, GTK+ Version
3.24.48, cairo version 1.18.2) of 2025-03-07 built on wilap
Repository revision: 07cca9aec11b2c40d1107a90b81400c3a34e1f68
Repository branch: HEAD
System Description: Arch Linux
Configured using:
'configure 'CFLAGS=-g3 -ggdb -Og -fno-omit-frame-pointer'
CPPFLAGS=-I/home/reitero/.local/lib/mps
LDFLAGS=-L/home/reitero/.local/lib/mps --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
Cheers,
Oliver
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.