[05:04:36.005] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[05:04:36.206] dumping /tmp/cores/postgres-3-21019.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[05:04:36.442] [New LWP 21019]
[05:04:36.442] 
[05:04:36.442] This GDB supports auto-downloading debuginfo from the following URLs:
[05:04:36.442]   <https://debuginfod.debian.net>
[05:04:36.442] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[05:04:36.442] Debuginfod has been disabled.
[05:04:36.442] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[05:04:36.562] [New LWP 20882]
[05:04:36.562] [Thread debugging using libthread_db enabled]
[05:04:36.562] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[05:04:36.562] Core was generated by `postgres: cascade: startup waiting for 000000020000000000000004               '.
[05:04:36.562] Program terminated with signal SIGQUIT, Quit.
[05:04:36.562] #0  0x00007f56fc6aed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:04:36.596] [Current thread is 1 (LWP 21019)]
[05:04:36.603] 
[05:04:36.603] Thread 2 (Thread 0x7f56fa61df00 (LWP 20882)):
[05:04:36.603] warning: Couldn't find general-purpose registers in core file.
[05:04:36.603] #0  <unavailable> in ?? ()
[05:04:36.603] PC unavailable, cannot determine locals.
[05:04:36.603] Backtrace stopped: not enough registers or memory available to unwind further
[05:04:36.603] 
[05:04:36.603] Thread 1 (LWP 21019):
[05:04:36.603] #0  0x00007f56fc6aed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:04:36.603] No symbol table info available.
[05:04:36.603] #1  0x00007f56fc65b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:04:36.603] No symbol table info available.
[05:04:36.603] #2  0x00007f56fc716184 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[05:04:36.603] No symbol table info available.
[05:04:36.603] #3  0x00007f56fc7287dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[05:04:36.603] No symbol table info available.