[22:18:33.535] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[22:18:33.725] dumping /tmp/cores/postgres-3-20720.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[22:18:33.970] [New LWP 20720]
[22:18:33.970] 
[22:18:33.970] This GDB supports auto-downloading debuginfo from the following URLs:
[22:18:33.970]   <https://debuginfod.debian.net>
[22:18:33.970] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[22:18:33.970] Debuginfod has been disabled.
[22:18:33.970] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[22:18:34.087] [New LWP 19755]
[22:18:34.087] [Thread debugging using libthread_db enabled]
[22:18:34.087] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[22:18:34.087] Core was generated by `postgres: standby: startup waiting for 000000010000000000000005               '.
[22:18:34.087] Program terminated with signal SIGQUIT, Quit.
[22:18:34.087] #0  0x00007f3f7daaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[22:18:34.121] [Current thread is 1 (LWP 20720)]
[22:18:34.128] 
[22:18:34.128] Thread 2 (Thread 0x7f3f7e232f00 (LWP 19755)):
[22:18:34.128] warning: Couldn't find general-purpose registers in core file.
[22:18:34.128] #0  <unavailable> in ?? ()
[22:18:34.128] PC unavailable, cannot determine locals.
[22:18:34.128] Backtrace stopped: not enough registers or memory available to unwind further
[22:18:34.128] 
[22:18:34.128] Thread 1 (LWP 20720):
[22:18:34.128] #0  0x00007f3f7daaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[22:18:34.128] No symbol table info available.
[22:18:34.128] #1  0x00007f3f7da5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[22:18:34.128] No symbol table info available.
[22:18:34.128] #2  0x00007f3f7db16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[22:18:34.128] No symbol table info available.
[22:18:34.128] #3  0x00007f3f7db2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[22:18:34.128] No symbol table info available.