[20:42:36.766] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[20:42:36.990] dumping /tmp/cores/postgres-3-31984.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[20:42:37.252] [New LWP 31984]
[20:42:37.252] 
[20:42:37.252] This GDB supports auto-downloading debuginfo from the following URLs:
[20:42:37.252]   <https://debuginfod.debian.net>
[20:42:37.252] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[20:42:37.252] Debuginfod has been disabled.
[20:42:37.252] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[20:42:37.377] [New LWP 31167]
[20:42:37.377] [Thread debugging using libthread_db enabled]
[20:42:37.377] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[20:42:37.377] Core was generated by `postgres: standby: startup waiting for 000000010000000000000005               '.
[20:42:37.377] Program terminated with signal SIGQUIT, Quit.
[20:42:37.377] #0  0x00007ffbbd0aedd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:42:37.412] [Current thread is 1 (LWP 31984)]
[20:42:37.422] 
[20:42:37.422] Thread 2 (Thread 0x7ffbbd833040 (LWP 31167)):
[20:42:37.422] warning: Couldn't find general-purpose registers in core file.
[20:42:37.422] #0  <unavailable> in ?? ()
[20:42:37.422] PC unavailable, cannot determine locals.
[20:42:37.422] Backtrace stopped: not enough registers or memory available to unwind further
[20:42:37.422] 
[20:42:37.422] Thread 1 (LWP 31984):
[20:42:37.422] #0  0x00007ffbbd0aedd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:42:37.422] No symbol table info available.
[20:42:37.422] #1  0x00007ffbbd05b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:42:37.422] No symbol table info available.
[20:42:37.422] #2  0x00007ffbbd116244 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:42:37.422] No symbol table info available.
[20:42:37.422] #3  0x00007ffbbd12889c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:42:37.422] No symbol table info available.