[16:15:44.148] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[16:15:44.341] dumping /tmp/cores/postgres-3-20494.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[16:15:44.599] [New LWP 20494]
[16:15:44.599] 
[16:15:44.599] This GDB supports auto-downloading debuginfo from the following URLs:
[16:15:44.599]   <https://debuginfod.debian.net>
[16:15:44.599] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[16:15:44.599] Debuginfod has been disabled.
[16:15:44.599] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[16:15:44.717] [New LWP 19531]
[16:15:44.717] [Thread debugging using libthread_db enabled]
[16:15:44.717] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[16:15:44.717] Core was generated by `postgres: standby: startup waiting for 000000010000000000000005               '.
[16:15:44.717] Program terminated with signal SIGQUIT, Quit.
[16:15:44.717] #0  0x00007f77464aeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[16:15:44.753] [Current thread is 1 (LWP 20494)]
[16:15:44.759] 
[16:15:44.759] Thread 2 (Thread 0x7f77463d4f00 (LWP 19531)):
[16:15:44.759] warning: Couldn't find general-purpose registers in core file.
[16:15:44.759] #0  <unavailable> in ?? ()
[16:15:44.759] PC unavailable, cannot determine locals.
[16:15:44.759] Backtrace stopped: not enough registers or memory available to unwind further
[16:15:44.759] 
[16:15:44.759] Thread 1 (LWP 20494):
[16:15:44.759] #0  0x00007f77464aeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[16:15:44.759] No symbol table info available.
[16:15:44.759] #1  0x00007f774645b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[16:15:44.759] No symbol table info available.
[16:15:44.759] #2  0x00007f7746516204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[16:15:44.759] No symbol table info available.
[16:15:44.759] #3  0x00007f774652885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[16:15:44.759] No symbol table info available.