[07:50:56.885] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[07:50:57.091] dumping /tmp/cores/postgres-3-27061.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[07:50:57.361] [New LWP 27061]
[07:50:57.361] 
[07:50:57.361] This GDB supports auto-downloading debuginfo from the following URLs:
[07:50:57.361]   <https://debuginfod.debian.net>
[07:50:57.361] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[07:50:57.361] Debuginfod has been disabled.
[07:50:57.361] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[07:50:57.488] [New LWP 26802]
[07:50:57.488] [Thread debugging using libthread_db enabled]
[07:50:57.488] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[07:50:57.488] Core was generated by `postgres: cascade: startup waiting for 000000020000000000000004               '.
[07:50:57.488] Program terminated with signal SIGQUIT, Quit.
[07:50:57.488] #0  0x00007fa495aaed14 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:50:57.525] [Current thread is 1 (LWP 27061)]
[07:50:57.534] 
[07:50:57.534] Thread 2 (Thread 0x7fa493a1df00 (LWP 26802)):
[07:50:57.534] warning: Couldn't find general-purpose registers in core file.
[07:50:57.534] #0  <unavailable> in ?? ()
[07:50:57.534] PC unavailable, cannot determine locals.
[07:50:57.534] Backtrace stopped: not enough registers or memory available to unwind further
[07:50:57.534] 
[07:50:57.534] Thread 1 (LWP 27061):
[07:50:57.534] #0  0x00007fa495aaed14 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:50:57.534] No symbol table info available.
[07:50:57.534] #1  0x00007fa495a5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:50:57.534] No symbol table info available.
[07:50:57.534] #2  0x00007fa495b16184 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[07:50:57.534] No symbol table info available.
[07:50:57.534] #3  0x00007fa495b287dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[07:50:57.534] No symbol table info available.