[15:37:39.591] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[15:37:39.782] dumping /tmp/cores/postgres-3-20417.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[15:37:40.045] [New LWP 20417]
[15:37:40.045] 
[15:37:40.045] This GDB supports auto-downloading debuginfo from the following URLs:
[15:37:40.045]   <https://debuginfod.debian.net>
[15:37:40.045] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:37:40.045] Debuginfod has been disabled.
[15:37:40.045] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:37:40.166] [New LWP 19371]
[15:37:40.166] [Thread debugging using libthread_db enabled]
[15:37:40.166] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:37:40.166] Core was generated by `postgres: standby: startup waiting for 000000010000000000000005               '.
[15:37:40.166] Program terminated with signal SIGQUIT, Quit.
[15:37:40.166] #0  0x00007ff5a6eaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:37:40.198] [Current thread is 1 (LWP 20417)]
[15:37:40.205] 
[15:37:40.205] Thread 2 (Thread 0x7ff5a6be7f00 (LWP 19371)):
[15:37:40.205] warning: Couldn't find general-purpose registers in core file.
[15:37:40.205] #0  <unavailable> in ?? ()
[15:37:40.205] PC unavailable, cannot determine locals.
[15:37:40.205] Backtrace stopped: not enough registers or memory available to unwind further
[15:37:40.205] 
[15:37:40.205] Thread 1 (LWP 20417):
[15:37:40.205] #0  0x00007ff5a6eaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:37:40.205] No symbol table info available.
[15:37:40.205] #1  0x00007ff5a6e5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:37:40.205] No symbol table info available.
[15:37:40.205] #2  0x00007ff5a6f16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:37:40.205] No symbol table info available.
[15:37:40.205] #3  0x00007ff5a6f2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:37:40.205] No symbol table info available.