[21:33:18.266] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[21:33:18.485] dumping /tmp/cores/postgres-3-28198.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[21:33:18.732] [New LWP 28198]
[21:33:18.732] 
[21:33:18.732] This GDB supports auto-downloading debuginfo from the following URLs:
[21:33:18.732]   <https://debuginfod.debian.net>
[21:33:18.732] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[21:33:18.732] Debuginfod has been disabled.
[21:33:18.732] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[21:33:18.859] [New LWP 28007]
[21:33:18.859] [Thread debugging using libthread_db enabled]
[21:33:18.859] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[21:33:18.859] Core was generated by `postgres: cascade: startup waiting for 000000020000000000000004               '.
[21:33:18.859] Program terminated with signal SIGQUIT, Quit.
[21:33:18.859] #0  0x00007f0a95eaed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:33:18.899] [Current thread is 1 (LWP 28198)]
[21:33:18.907] 
[21:33:18.907] Thread 2 (Thread 0x7f0a93e2bf00 (LWP 28007)):
[21:33:18.907] warning: Couldn't find general-purpose registers in core file.
[21:33:18.907] #0  <unavailable> in ?? ()
[21:33:18.907] PC unavailable, cannot determine locals.
[21:33:18.907] Backtrace stopped: not enough registers or memory available to unwind further
[21:33:18.907] 
[21:33:18.907] Thread 1 (LWP 28198):
[21:33:18.907] #0  0x00007f0a95eaed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:33:18.907] No symbol table info available.
[21:33:18.907] #1  0x00007f0a95e5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:33:18.907] No symbol table info available.
[21:33:18.907] #2  0x00007f0a95f16184 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[21:33:18.907] No symbol table info available.
[21:33:18.907] #3  0x00007f0a95f287dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[21:33:18.907] No symbol table info available.