[20:44:44.297] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[20:44:44.501] dumping /tmp/cores/postgres-3-39451.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[20:44:44.756] [New LWP 39451]
[20:44:44.756] 
[20:44:44.756] This GDB supports auto-downloading debuginfo from the following URLs:
[20:44:44.756]   <https://debuginfod.debian.net>
[20:44:44.756] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[20:44:44.756] Debuginfod has been disabled.
[20:44:44.756] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[20:44:44.880] [New LWP 38167]
[20:44:44.880] [Thread debugging using libthread_db enabled]
[20:44:44.880] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[20:44:44.880] Core was generated by `postgres: standby2: startup waiting for 000000010000000000000006              '.
[20:44:44.880] Program terminated with signal SIGQUIT, Quit.
[20:44:44.880] #0  0x00007fd242aaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:44:44.914] [Current thread is 1 (LWP 39451)]
[20:44:44.922] 
[20:44:44.922] Thread 2 (Thread 0x7fd243233f00 (LWP 38167)):
[20:44:44.922] warning: Couldn't find general-purpose registers in core file.
[20:44:44.922] #0  <unavailable> in ?? ()
[20:44:44.922] PC unavailable, cannot determine locals.
[20:44:44.922] Backtrace stopped: not enough registers or memory available to unwind further
[20:44:44.922] 
[20:44:44.922] Thread 1 (LWP 39451):
[20:44:44.922] #0  0x00007fd242aaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:44:44.922] No symbol table info available.
[20:44:44.922] #1  0x00007fd242a5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:44:44.922] No symbol table info available.
[20:44:44.922] #2  0x00007fd242b16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:44:44.922] No symbol table info available.
[20:44:44.922] #3  0x00007fd242b2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:44:44.922] No symbol table info available.