[16:51:38.406] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[16:51:38.631] dumping /tmp/cores/postgres-3-39266.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[16:51:38.877] [New LWP 39266]
[16:51:38.877] 
[16:51:38.877] This GDB supports auto-downloading debuginfo from the following URLs:
[16:51:38.877]   <https://debuginfod.debian.net>
[16:51:38.877] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[16:51:38.877] Debuginfod has been disabled.
[16:51:38.877] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[16:51:39.005] [New LWP 37819]
[16:51:39.005] [Thread debugging using libthread_db enabled]
[16:51:39.005] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[16:51:39.005] Core was generated by `postgres: standby2: startup waiting for 000000010000000000000006              '.
[16:51:39.005] Program terminated with signal SIGQUIT, Quit.
[16:51:39.005] #0  0x00007fcdc62aed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[16:51:39.039] [Current thread is 1 (LWP 39266)]
[16:51:39.048] 
[16:51:39.048] Thread 2 (Thread 0x7fcdc5fe4f00 (LWP 37819)):
[16:51:39.048] warning: Couldn't find general-purpose registers in core file.
[16:51:39.048] #0  <unavailable> in ?? ()
[16:51:39.048] PC unavailable, cannot determine locals.
[16:51:39.048] Backtrace stopped: not enough registers or memory available to unwind further
[16:51:39.048] 
[16:51:39.048] Thread 1 (LWP 39266):
[16:51:39.048] #0  0x00007fcdc62aed24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[16:51:39.048] No symbol table info available.
[16:51:39.048] #1  0x00007fcdc625b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[16:51:39.048] No symbol table info available.
[16:51:39.048] #2  0x00007fcdc6316184 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[16:51:39.048] No symbol table info available.
[16:51:39.048] #3  0x00007fcdc63287dc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[16:51:39.048] No symbol table info available.