[11:18:38.442] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[11:18:38.645] dumping /tmp/cores/sh-3-29256.core for /bin/sh
[11:18:38.693] 
[11:18:38.693] This GDB supports auto-downloading debuginfo from the following URLs:
[11:18:38.693]   <https://debuginfod.debian.net>
[11:18:38.693] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[11:18:38.693] Debuginfod has been disabled.
[11:18:38.693] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[11:18:38.699] [New LWP 29256]
[11:18:38.701] [Thread debugging using libthread_db enabled]
[11:18:38.701] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[11:18:38.701] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[11:18:38.701] Program terminated with signal SIGQUIT, Quit.
[11:18:38.701] #0  0x00007fa53a164dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.709] 
[11:18:38.709] Thread 1 (Thread 0x7fa53a0d2740 (LWP 29256)):
[11:18:38.709] #0  0x00007fa53a164dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.709] No symbol table info available.
[11:18:38.709] #1  0x00007fa53a111239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.709] No symbol table info available.
[11:18:38.709] #2  0x00007fa53a111497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.709] No symbol table info available.
[11:18:38.709] #3  0x000055aff2fa35c1 in ?? ()
[11:18:38.709] No symbol table info available.
[11:18:38.709] #4  0x000055aff2f9d369 in ?? ()
[11:18:38.709] No symbol table info available.
[11:18:38.709] #5  0x000055aff2f9c20f in ?? ()
[11:18:38.709] No symbol table info available.
[11:18:38.709] #6  0x000055aff2f9cc3b in ?? ()
[11:18:38.709] No symbol table info available.
[11:18:38.709] #7  0x000055aff2f9a66f in ?? ()
[11:18:38.709] No symbol table info available.
[11:18:38.709] #8  0x00007fa53a0fc24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.709] No symbol table info available.
[11:18:38.709] #9  0x00007fa53a0fc305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.709] No symbol table info available.
[11:18:38.709] #10 0x000055aff2f9a781 in ?? ()
[11:18:38.709] No symbol table info available.
[11:18:38.720] -e 
[11:18:38.720] 
[11:18:38.720] 
[11:18:38.780] dumping /tmp/cores/sh-3-29259.core for /bin/sh
[11:18:38.828] 
[11:18:38.828] This GDB supports auto-downloading debuginfo from the following URLs:
[11:18:38.828]   <https://debuginfod.debian.net>
[11:18:38.828] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[11:18:38.828] Debuginfod has been disabled.
[11:18:38.828] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[11:18:38.833] [New LWP 29259]
[11:18:38.835] [New LWP 29256]
[11:18:38.835] [Thread debugging using libthread_db enabled]
[11:18:38.835] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[11:18:38.835] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[11:18:38.835] Program terminated with signal SIGQUIT, Quit.
[11:18:38.835] #0  0x00007fa53a164dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.836] [Current thread is 1 (LWP 29259)]
[11:18:38.836] 
[11:18:38.836] Thread 2 (Thread 0x7fa53a0d2740 (LWP 29256)):
[11:18:38.836] warning: Couldn't find general-purpose registers in core file.
[11:18:38.836] #0  <unavailable> in ?? ()
[11:18:38.836] PC unavailable, cannot determine locals.
[11:18:38.836] Backtrace stopped: not enough registers or memory available to unwind further
[11:18:38.836] 
[11:18:38.836] Thread 1 (LWP 29259):
[11:18:38.836] #0  0x00007fa53a164dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.836] No symbol table info available.
[11:18:38.836] #1  0x00007fa53a111239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.836] No symbol table info available.
[11:18:38.836] #2  0x00007fa53a111497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.836] No symbol table info available.
[11:18:38.836] #3  0x000055aff2fa35f3 in ?? ()
[11:18:38.836] No symbol table info available.
[11:18:38.836] #4  0x000055aff2f9d369 in ?? ()
[11:18:38.836] No symbol table info available.
[11:18:38.836] #5  0x000055aff2f9c20f in ?? ()
[11:18:38.836] No symbol table info available.
[11:18:38.836] #6  0x000055aff2f9cc3b in ?? ()
[11:18:38.836] No symbol table info available.
[11:18:38.836] #7  0x000055aff2f9a66f in ?? ()
[11:18:38.836] No symbol table info available.
[11:18:38.836] #8  0x00007fa53a0fc24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.836] No symbol table info available.
[11:18:38.836] #9  0x00007fa53a0fc305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[11:18:38.836] No symbol table info available.
[11:18:38.836] #10 0x000055aff2f9a781 in ?? ()
[11:18:38.836] No symbol table info available.