[21:05:23.569] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[21:05:23.768] dumping /tmp/cores/postgres-3-51869.core for /tmp/cirrus-ci-build/tmp_install/usr/local/pgsql/bin/postgres
[21:05:24.014] [New LWP 51869]
[21:05:24.017] 
[21:05:24.017] This GDB supports auto-downloading debuginfo from the following URLs:
[21:05:24.017]   <https://debuginfod.debian.net>
[21:05:24.017] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[21:05:24.017] Debuginfod has been disabled.
[21:05:24.017] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[21:05:24.115] [New LWP 51294]
[21:05:24.115] [Thread debugging using libthread_db enabled]
[21:05:24.115] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[21:05:24.115] Core was generated by `postgres: standby: startup waiting for 000000010000000000000005               '.
[21:05:24.115] Program terminated with signal SIGQUIT, Quit.
[21:05:24.115] #0  0x00007f7ea74b0d24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:05:24.148] [Current thread is 1 (LWP 51869)]
[21:05:24.155] 
[21:05:24.155] Thread 2 (Thread 0x7f7ea7272240 (LWP 51294)):
[21:05:24.155] warning: Couldn't find general-purpose registers in core file.
[21:05:24.155] #0  <unavailable> in ?? ()
[21:05:24.155] PC unavailable, cannot determine locals.
[21:05:24.155] Backtrace stopped: not enough registers or memory available to unwind further
[21:05:24.155] 
[21:05:24.155] Thread 1 (LWP 51869):
[21:05:24.155] #0  0x00007f7ea74b0d24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:05:24.155] No symbol table info available.
[21:05:24.155] #1  0x00007f7ea745d239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:05:24.155] No symbol table info available.
[21:05:24.155] #2  0x00007f7ea7518184 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[21:05:24.155] No symbol table info available.
[21:05:24.155] #3  0x00007f7ea752a7dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[21:05:24.155] No symbol table info available.