[21:24:22.217] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[21:24:22.437] dumping /tmp/cores/postgres-3-39171.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[21:24:22.685] [New LWP 39171]
[21:24:22.685] 
[21:24:22.685] This GDB supports auto-downloading debuginfo from the following URLs:
[21:24:22.685]   <https://debuginfod.debian.net>
[21:24:22.685] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[21:24:22.685] Debuginfod has been disabled.
[21:24:22.685] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[21:24:22.816] [New LWP 37928]
[21:24:22.816] [Thread debugging using libthread_db enabled]
[21:24:22.816] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[21:24:22.816] Core was generated by `postgres: standby2: startup waiting for 000000010000000000000006              '.
[21:24:22.816] Program terminated with signal SIGQUIT, Quit.
[21:24:22.816] #0  0x00007f3fdbeaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:24:22.853] [Current thread is 1 (LWP 39171)]
[21:24:22.862] 
[21:24:22.862] Thread 2 (Thread 0x7f3fd9a20f00 (LWP 37928)):
[21:24:22.862] warning: Couldn't find general-purpose registers in core file.
[21:24:22.862] #0  <unavailable> in ?? ()
[21:24:22.862] PC unavailable, cannot determine locals.
[21:24:22.862] Backtrace stopped: not enough registers or memory available to unwind further
[21:24:22.862] 
[21:24:22.862] Thread 1 (LWP 39171):
[21:24:22.862] #0  0x00007f3fdbeaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:24:22.862] No symbol table info available.
[21:24:22.862] #1  0x00007f3fdbe5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[21:24:22.862] No symbol table info available.
[21:24:22.862] #2  0x00007f3fdbf16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[21:24:22.862] No symbol table info available.
[21:24:22.862] #3  0x00007f3fdbf2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[21:24:22.862] No symbol table info available.