[23:20:43.485] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[23:20:43.704] dumping /tmp/cores/postgres-3-31886.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[23:20:43.947] [New LWP 31886]
[23:20:43.947] 
[23:20:43.947] This GDB supports auto-downloading debuginfo from the following URLs:
[23:20:43.947]   <https://debuginfod.debian.net>
[23:20:43.947] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[23:20:43.947] Debuginfod has been disabled.
[23:20:43.947] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[23:20:44.070] [New LWP 30958]
[23:20:44.070] [Thread debugging using libthread_db enabled]
[23:20:44.070] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[23:20:44.070] Core was generated by `postgres: standby: startup waiting for 000000010000000000000005               '.
[23:20:44.070] Program terminated with signal SIGQUIT, Quit.
[23:20:44.070] #0  0x00007f96834aed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[23:20:44.106] [Current thread is 1 (LWP 31886)]
[23:20:44.113] 
[23:20:44.113] Thread 2 (Thread 0x7f9683c3af00 (LWP 30958)):
[23:20:44.113] warning: Couldn't find general-purpose registers in core file.
[23:20:44.113] #0  <unavailable> in ?? ()
[23:20:44.113] PC unavailable, cannot determine locals.
[23:20:44.113] Backtrace stopped: not enough registers or memory available to unwind further
[23:20:44.113] 
[23:20:44.113] Thread 1 (LWP 31886):
[23:20:44.113] #0  0x00007f96834aed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[23:20:44.113] No symbol table info available.
[23:20:44.113] #1  0x00007f968345b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[23:20:44.113] No symbol table info available.
[23:20:44.113] #2  0x00007f9683516184 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[23:20:44.113] No symbol table info available.
[23:20:44.113] #3  0x00007f96835287dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[23:20:44.113] No symbol table info available.