[20:16:54.146] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[20:16:54.367] dumping /tmp/cores/sh-3-28248.core for /bin/sh
[20:16:54.420] 
[20:16:54.420] This GDB supports auto-downloading debuginfo from the following URLs:
[20:16:54.420]   <https://debuginfod.debian.net>
[20:16:54.420] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[20:16:54.420] Debuginfod has been disabled.
[20:16:54.420] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[20:16:54.424] [New LWP 28248]
[20:16:54.426] [New LWP 28243]
[20:16:54.426] [Thread debugging using libthread_db enabled]
[20:16:54.426] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[20:16:54.426] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/025_stuck_on_old_timeline'.
[20:16:54.426] Program terminated with signal SIGQUIT, Quit.
[20:16:54.426] #0  0x00007f97095bada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.436] [Current thread is 1 (LWP 28248)]
[20:16:54.436] 
[20:16:54.436] Thread 2 (Thread 0x7f9709528740 (LWP 28243)):
[20:16:54.436] warning: Couldn't find general-purpose registers in core file.
[20:16:54.436] #0  <unavailable> in ?? ()
[20:16:54.436] PC unavailable, cannot determine locals.
[20:16:54.436] Backtrace stopped: not enough registers or memory available to unwind further
[20:16:54.436] 
[20:16:54.436] Thread 1 (LWP 28248):
[20:16:54.436] #0  0x00007f97095bada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.436] No symbol table info available.
[20:16:54.436] #1  0x00007f9709567239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.436] No symbol table info available.
[20:16:54.436] #2  0x00007f9709567497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.436] No symbol table info available.
[20:16:54.436] #3  0x000055a9ff7125f3 in ?? ()
[20:16:54.436] No symbol table info available.
[20:16:54.436] #4  0x000055a9ff70c369 in ?? ()
[20:16:54.436] No symbol table info available.
[20:16:54.436] #5  0x000055a9ff70b20f in ?? ()
[20:16:54.436] No symbol table info available.
[20:16:54.436] #6  0x000055a9ff70bc3b in ?? ()
[20:16:54.436] No symbol table info available.
[20:16:54.436] #7  0x000055a9ff70966f in ?? ()
[20:16:54.436] No symbol table info available.
[20:16:54.436] #8  0x00007f970955224a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.436] No symbol table info available.
[20:16:54.436] #9  0x00007f9709552305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.436] No symbol table info available.
[20:16:54.436] #10 0x000055a9ff709781 in ?? ()
[20:16:54.436] No symbol table info available.
[20:16:54.445] -e 
[20:16:54.445] 
[20:16:54.445] 
[20:16:54.504] dumping /tmp/cores/sh-3-28243.core for /bin/sh
[20:16:54.552] 
[20:16:54.552] This GDB supports auto-downloading debuginfo from the following URLs:
[20:16:54.552]   <https://debuginfod.debian.net>
[20:16:54.552] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[20:16:54.552] Debuginfod has been disabled.
[20:16:54.552] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[20:16:54.556] [New LWP 28243]
[20:16:54.558] [Thread debugging using libthread_db enabled]
[20:16:54.558] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[20:16:54.558] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/025_stuck_on_old_timeline'.
[20:16:54.558] Program terminated with signal SIGQUIT, Quit.
[20:16:54.558] #0  0x00007f97095bada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.559] 
[20:16:54.559] Thread 1 (Thread 0x7f9709528740 (LWP 28243)):
[20:16:54.559] #0  0x00007f97095bada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.559] No symbol table info available.
[20:16:54.559] #1  0x00007f9709567239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.559] No symbol table info available.
[20:16:54.559] #2  0x00007f9709567497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.559] No symbol table info available.
[20:16:54.559] #3  0x000055a9ff7125c1 in ?? ()
[20:16:54.559] No symbol table info available.
[20:16:54.559] #4  0x000055a9ff70c369 in ?? ()
[20:16:54.559] No symbol table info available.
[20:16:54.559] #5  0x000055a9ff70b20f in ?? ()
[20:16:54.559] No symbol table info available.
[20:16:54.559] #6  0x000055a9ff70bc3b in ?? ()
[20:16:54.559] No symbol table info available.
[20:16:54.559] #7  0x000055a9ff70966f in ?? ()
[20:16:54.559] No symbol table info available.
[20:16:54.559] #8  0x00007f970955224a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.559] No symbol table info available.
[20:16:54.559] #9  0x00007f9709552305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:54.559] No symbol table info available.
[20:16:54.559] #10 0x000055a9ff709781 in ?? ()
[20:16:54.559] No symbol table info available.
[20:16:54.565] -e 
[20:16:54.565] 
[20:16:54.565] 
[20:16:54.632] dumping /tmp/cores/postgres-3-34666.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[20:16:54.902] [New LWP 34666]
[20:16:54.902] 
[20:16:54.902] This GDB supports auto-downloading debuginfo from the following URLs:
[20:16:54.902]   <https://debuginfod.debian.net>
[20:16:54.902] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[20:16:54.902] Debuginfod has been disabled.
[20:16:54.902] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[20:16:55.032] [New LWP 34068]
[20:16:55.032] [Thread debugging using libthread_db enabled]
[20:16:55.032] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[20:16:55.032] Core was generated by `postgres: cascading_standby: startup waiting for 000000020000000000000006     '.
[20:16:55.032] Program terminated with signal SIGQUIT, Quit.
[20:16:55.032] #0  0x00007fe64ccaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:55.067] [Current thread is 1 (LWP 34666)]
[20:16:55.069] 
[20:16:55.069] Thread 2 (Thread 0x7fe64c9daf00 (LWP 34068)):
[20:16:55.069] warning: Couldn't find general-purpose registers in core file.
[20:16:55.069] #0  <unavailable> in ?? ()
[20:16:55.069] PC unavailable, cannot determine locals.
[20:16:55.069] Backtrace stopped: not enough registers or memory available to unwind further
[20:16:55.069] 
[20:16:55.069] Thread 1 (LWP 34666):
[20:16:55.069] #0  0x00007fe64ccaeda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:55.069] No symbol table info available.
[20:16:55.069] #1  0x00007fe64cc5b239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:55.069] No symbol table info available.
[20:16:55.069] #2  0x00007fe64cd16204 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:55.069] No symbol table info available.
[20:16:55.069] #3  0x00007fe64cd2885c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[20:16:55.069] No symbol table info available.