[15:48:20.867] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[15:48:21.069] dumping /tmp/cores/sh-3-38832.core for /bin/sh
[15:48:21.117] 
[15:48:21.117] This GDB supports auto-downloading debuginfo from the following URLs:
[15:48:21.117]   <https://debuginfod.debian.net>
[15:48:21.117] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:48:21.117] Debuginfod has been disabled.
[15:48:21.117] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:48:21.121] [New LWP 38832]
[15:48:21.123] [Thread debugging using libthread_db enabled]
[15:48:21.123] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:48:21.123] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[15:48:21.123] Program terminated with signal SIGQUIT, Quit.
[15:48:21.123] #0  0x00007f112aa7bda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.131] 
[15:48:21.131] Thread 1 (Thread 0x7f112a9e9740 (LWP 38832)):
[15:48:21.131] #0  0x00007f112aa7bda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.131] No symbol table info available.
[15:48:21.131] #1  0x00007f112aa28239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.131] No symbol table info available.
[15:48:21.131] #2  0x00007f112aa28497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.131] No symbol table info available.
[15:48:21.131] #3  0x000055627d3695c1 in ?? ()
[15:48:21.131] No symbol table info available.
[15:48:21.131] #4  0x000055627d363369 in ?? ()
[15:48:21.131] No symbol table info available.
[15:48:21.131] #5  0x000055627d36220f in ?? ()
[15:48:21.131] No symbol table info available.
[15:48:21.131] #6  0x000055627d362c3b in ?? ()
[15:48:21.131] No symbol table info available.
[15:48:21.131] #7  0x000055627d36066f in ?? ()
[15:48:21.131] No symbol table info available.
[15:48:21.131] #8  0x00007f112aa1324a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.131] No symbol table info available.
[15:48:21.131] #9  0x00007f112aa13305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.131] No symbol table info available.
[15:48:21.131] #10 0x000055627d360781 in ?? ()
[15:48:21.131] No symbol table info available.
[15:48:21.139] -e 
[15:48:21.139] 
[15:48:21.139] 
[15:48:21.202] dumping /tmp/cores/postgres-3-40987.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[15:48:21.456] [New LWP 40987]
[15:48:21.456] 
[15:48:21.456] This GDB supports auto-downloading debuginfo from the following URLs:
[15:48:21.456]   <https://debuginfod.debian.net>
[15:48:21.456] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:48:21.456] Debuginfod has been disabled.
[15:48:21.456] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:48:21.580] [New LWP 39652]
[15:48:21.580] [Thread debugging using libthread_db enabled]
[15:48:21.580] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:48:21.580] Core was generated by `postgres: standby2: startup recovering 000000010000000000000006               '.
[15:48:21.580] Program terminated with signal SIGQUIT, Quit.
[15:48:21.580] #0  0x00007f26decaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.612] [Current thread is 1 (LWP 40987)]
[15:48:21.613] 
[15:48:21.613] Thread 2 (Thread 0x7f26dcc1bf00 (LWP 39652)):
[15:48:21.613] warning: Couldn't find general-purpose registers in core file.
[15:48:21.613] #0  <unavailable> in ?? ()
[15:48:21.613] PC unavailable, cannot determine locals.
[15:48:21.613] Backtrace stopped: not enough registers or memory available to unwind further
[15:48:21.613] 
[15:48:21.613] Thread 1 (LWP 40987):
[15:48:21.613] #0  0x00007f26decaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.613] No symbol table info available.
[15:48:21.613] #1  0x00007f26dec5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.613] No symbol table info available.
[15:48:21.613] #2  0x00007f26ded16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.613] No symbol table info available.
[15:48:21.613] #3  0x00007f26ded2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:48:21.613] No symbol table info available.