Here's a gdb backtrace for a Sep 7 PID 1 crash. libsystemd-shared-245.so had the same signature as the original report (internal_hashmap_remove_value -> sd_event_dispatch -> sd_event_run):
GNU gdb (Ubuntu 9.2-0ubuntu1~20.04.2) 9.2 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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-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"... Reading symbols from /lib/systemd/systemd... (No debugging symbols found in /lib/systemd/systemd) [New LWP 3375] [New LWP 1] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/sbin/init splash'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007fb25a60f3db in kill () at ../sysdeps/unix/syscall-template.S:78 [Current thread is 1 (LWP 3375)] #0 0x00007fb25a60f3db in kill () at ../sysdeps/unix/syscall-template.S:78 No locals. #1 0x0000558c738a0d63 in ?? () No symbol table info available. #2 <signal handler called> No locals. #3 0x00007fb25a47a535 in ?? () from /lib/systemd/libsystemd-shared-245.so No symbol table info available. #4 0x00007fb25a47b41f in internal_hashmap_remove_value () from /lib/systemd/libsystemd-shared-245.so No symbol table info available. #5 0x0000558c73834041 in ?? () No symbol table info available. #6 0x0000558c73860f40 in ?? () No symbol table info available. #7 0x0000558c738612b9 in ?? () No symbol table info available. #8 0x00007fb25a3e66e2 in ?? () from /lib/systemd/libsystemd-shared-245.so No symbol table info available. #9 0x00007fb25a3e6b01 in sd_event_dispatch () from /lib/systemd/libsystemd-shared-245.so No symbol table info available. #10 0x00007fb25a3e8538 in sd_event_run () from /lib/systemd/libsystemd-shared-245.so No symbol table info available. #11 0x0000558c7389d5b5 in ?? () No symbol table info available. #12 0x0000558c737ed803 in ?? () No symbol table info available. #13 0x00007fb25a5f0083 in __libc_start_main (main=0x558c737ebb70, argc=2, argv=0x7ffc96b563e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc96b563d8) at ../csu/libc-start.c:308 self = <optimized out> result = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94061722210560, 868671168914982770, 94061721479792, 140722836956128, 0, 0, -867208212698560654, -906745878916429966}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x2, 0x7ffc96b563e8}, data = { prev = 0x0, cleanup = 0x0, canceltype = 2}}} not_first_call = <optimized out> #14 0x0000558c737eea9e in ?? () No symbol table info available. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2166539 Title: systemd 245.4-4ubuntu3.24+esm4 crashes repeatedly and with increasing frequency after upgrade from +esm3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-pro/+bug/2166539/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
