On 06-Nov-2021, Bernhard Übelacker wrote: > "coredumpctl gdb" might be able to show a backtrace of the crash or > even the command line parameters.
With ‘systemd-coredump’ installed, I repeat the behaviour (log in
using GDM). The session crashes, back to GDM; a core dump is created.
When I invoke GDB on the core dump, this is the session:
=====
$ coredumpctl gdb
[…]
PID: 45094 (bash)
UID: 1000 (bignose)
GID: 1000 (bignose)
Signal: 11 (SEGV)
Timestamp: Sat 2021-11-06 23:01:32 AEDT (54s ago)
Command Line: -/bin/bash -c $'/usr/bin/gnome-session -l '
Executable: /usr/bin/bash
Control Group: /user.slice/user-1000.slice/session-83.scope
Unit: session-83.scope
Slice: user-1000.slice
Session: 83
Owner UID: 1000 (bignose)
Boot ID: a69a258cb20b42e9aaf40cb7d53fc49e
Machine ID: cdc4569067f74c53bfb3d99a4b35673a
Hostname: malva
Storage:
/var/lib/systemd/coredump/core.bash.1000.a69a258cb20b42e9aaf40cb7d53fc49e.45094.1636200092000000.zst
(present)
Disk Size: 3.9M
Message: Process 45094 (bash) of user 1000 dumped core.
Found module linux-vdso.so.1 with build-id:
091a444eee04263f7c695be0b5daf3cfefd69e97
Found module libnss_files.so.2 with build-id:
d67972b1c26a08eb13fca9f83004e591d646b4f9
Found module ld-linux-x86-64.so.2 with build-id:
6211a5e83642f3c0cb0b1670ee201d1d9d72e05e
Found module libc.so.6 with build-id:
3a69683d31c430fad5cb0fad190a28b9570d5577
Found module libdl.so.2 with build-id:
e3eb1a873134b05c621c37b47d8a7d94ca31ea74
Found module libtinfo.so.6 with build-id:
6cdce89a0f924bb8ccef3f2eaa6635897a81c844
Found module bash with build-id:
2d26352932c3d0d33a67fb5714921f907053976c
Stack trace of thread 45094:
#0 0x00007f50286a577d _int_malloc (libc.so.6 + 0x8977d)
#1 0x00007f50286a6734 __GI___libc_malloc (libc.so.6 + 0x8a734)
#2 0x000055c78021b8b0 xmalloc (bash + 0x958b0)
#3 0x000055c780200df2 begin_unwind_frame (bash + 0x7adf2)
#4 0x000055c7802221ca n/a (bash + 0x9c1ca)
#5 0x000055c780222e02 parse_string (bash + 0x9ce02)
#6 0x000055c7801c446e xparse_dolparen (bash + 0x3e46e)
#7 0x000055c7801ebe28 n/a (bash + 0x65e28)
#8 0x000055c7801f6033 n/a (bash + 0x70033)
#9 0x000055c7801f88bc n/a (bash + 0x728bc)
#10 0x000055c7801f23ae n/a (bash + 0x6c3ae)
#11 0x000055c7801f288c n/a (bash + 0x6c88c)
#12 0x000055c7801fc99a expand_words (bash + 0x7699a)
#13 0x000055c7801cf943 execute_command_internal (bash + 0x49943)
#14 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#15 0x000055c7801d276b n/a (bash + 0x4c76b)
#16 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#17 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#18 0x000055c7801d276b n/a (bash + 0x4c76b)
#19 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#20 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#21 0x000055c7801d276b n/a (bash + 0x4c76b)
#22 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#23 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#24 0x000055c7801d276b n/a (bash + 0x4c76b)
#25 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#26 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#27 0x000055c7801d276b n/a (bash + 0x4c76b)
#28 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#29 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#30 0x000055c7801d276b n/a (bash + 0x4c76b)
#31 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#32 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#33 0x000055c7801ce181 execute_command_internal (bash + 0x48181)
#34 0x000055c780222bd9 parse_and_execute (bash + 0x9cbd9)
#35 0x000055c780221f96 n/a (bash + 0x9bf96)
#36 0x000055c780222165 source_file (bash + 0x9c165)
#37 0x000055c78022d319 source_builtin (bash + 0xa7319)
#38 0x000055c7801cafe4 n/a (bash + 0x44fe4)
#39 0x000055c7801d075b execute_command_internal (bash + 0x4a75b)
#40 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#41 0x000055c7801ce181 execute_command_internal (bash + 0x48181)
#42 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#43 0x000055c7801cef91 execute_command_internal (bash + 0x48f91)
#44 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#45 0x000055c7801d276b n/a (bash + 0x4c76b)
#46 0x000055c7801cde39 execute_command_internal (bash + 0x47e39)
#47 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#48 0x000055c7801ce181 execute_command_internal (bash + 0x48181)
#49 0x000055c780222bd9 parse_and_execute (bash + 0x9cbd9)
#50 0x000055c780221f96 n/a (bash + 0x9bf96)
#51 0x000055c780222165 source_file (bash + 0x9c165)
#52 0x000055c78022d319 source_builtin (bash + 0xa7319)
#53 0x000055c7801cafe4 n/a (bash + 0x44fe4)
#54 0x000055c7801d075b execute_command_internal (bash + 0x4a75b)
#55 0x000055c7801d0bb5 execute_command (bash + 0x4abb5)
#56 0x000055c7801ce181 execute_command_internal (bash + 0x48181)
#57 0x000055c780222bd9 parse_and_execute (bash + 0x9cbd9)
#58 0x000055c780221f96 n/a (bash + 0x9bf96)
#59 0x000055c780222165 source_file (bash + 0x9c165)
#60 0x000055c78022d319 source_builtin (bash + 0xa7319)
#61 0x000055c7801cafe4 n/a (bash + 0x44fe4)
#62 0x000055c7801d075b execute_command_internal (bash + 0x4a75b)
#63 0x000055c780222bd9 parse_and_execute (bash + 0x9cbd9)
GNU gdb (Debian 10.1-2) 10.1.90.20210103-git
[…]
Reading symbols from /usr/bin/bash...
(No debugging symbols found in /usr/bin/bash)
[New LWP 45094]
Core was generated by `-/bin/bash -c /usr/bin/gnome-session -l '.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f50286a577d in _int_malloc (av=av@entry=0x7f50287daba0 <main_arena>,
bytes=bytes@entry=32) at malloc.c:4148
4148 malloc.c: No such file or directory.
(gdb)
=====
--
\ “When in doubt tell the truth. It will confound your enemies |
`\ and astound your friends.” —Mark Twain, _Following the Equator_ |
_o__) |
Ben Finney <bign...@debian.org>
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