[23:05:17.365] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[23:05:17.559] dumping /tmp/cores/postgres-3-24955.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[23:05:17.826] [New LWP 24955]
[23:05:17.826] 
[23:05:17.826] This GDB supports auto-downloading debuginfo from the following URLs:
[23:05:17.826]   <https://debuginfod.debian.net>
[23:05:17.826] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[23:05:17.826] Debuginfod has been disabled.
[23:05:17.826] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[23:05:17.949] [New LWP 24712]
[23:05:17.949] [Thread debugging using libthread_db enabled]
[23:05:17.949] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[23:05:17.949] Core was generated by `postgres: cascade: startup waiting for 000000020000000000000004               '.
[23:05:17.949] Program terminated with signal SIGQUIT, Quit.
[23:05:17.949] #0  0x00007f631dcaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[23:05:17.983] [Current thread is 1 (LWP 24955)]
[23:05:17.990] 
[23:05:17.990] Thread 2 (Thread 0x7f631e433f00 (LWP 24712)):
[23:05:17.990] warning: Couldn't find general-purpose registers in core file.
[23:05:17.990] #0  <unavailable> in ?? ()
[23:05:17.990] PC unavailable, cannot determine locals.
[23:05:17.990] Backtrace stopped: not enough registers or memory available to unwind further
[23:05:17.990] 
[23:05:17.990] Thread 1 (LWP 24955):
[23:05:17.990] #0  0x00007f631dcaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[23:05:17.990] No symbol table info available.
[23:05:17.990] #1  0x00007f631dc5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[23:05:17.990] No symbol table info available.
[23:05:17.990] #2  0x00007f631dd16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[23:05:17.990] No symbol table info available.
[23:05:17.990] #3  0x00007f631dd2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[23:05:17.990] No symbol table info available.