[05:20:50.343] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[05:20:50.548] dumping /tmp/cores/postgres-3-31736.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[05:20:50.809] [New LWP 31736]
[05:20:50.809] 
[05:20:50.809] This GDB supports auto-downloading debuginfo from the following URLs:
[05:20:50.809]   <https://debuginfod.debian.net>
[05:20:50.809] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[05:20:50.809] Debuginfod has been disabled.
[05:20:50.809] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[05:20:50.932] [New LWP 31425]
[05:20:50.932] [Thread debugging using libthread_db enabled]
[05:20:50.932] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[05:20:50.932] Core was generated by `postgres: cascade: startup recovering 000000020000000000000004                '.
[05:20:50.932] Program terminated with signal SIGQUIT, Quit.
[05:20:50.932] #0  0x00007f51b72aeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:20:50.966] [Current thread is 1 (LWP 31736)]
[05:20:50.973] 
[05:20:50.973] Thread 2 (Thread 0x7f51b8086f00 (LWP 31425)):
[05:20:50.973] warning: Couldn't find general-purpose registers in core file.
[05:20:50.973] #0  <unavailable> in ?? ()
[05:20:50.973] PC unavailable, cannot determine locals.
[05:20:50.973] Backtrace stopped: not enough registers or memory available to unwind further
[05:20:50.973] 
[05:20:50.973] Thread 1 (LWP 31736):
[05:20:50.973] #0  0x00007f51b72aeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:20:50.973] No symbol table info available.
[05:20:50.973] #1  0x00007f51b725b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:20:50.973] No symbol table info available.
[05:20:50.973] #2  0x00007f51b7316204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[05:20:50.973] No symbol table info available.
[05:20:50.973] #3  0x00007f51b732885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[05:20:50.973] No symbol table info available.