[15:13:40.252] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[15:13:40.421] dumping /tmp/cores/sh-3-35975.core for /bin/sh
[15:13:40.464] 
[15:13:40.464] This GDB supports auto-downloading debuginfo from the following URLs:
[15:13:40.464]   <https://debuginfod.debian.net>
[15:13:40.464] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:13:40.464] Debuginfod has been disabled.
[15:13:40.464] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:13:40.467] [New LWP 35975]
[15:13:40.469] [New LWP 35969]
[15:13:40.469] [Thread debugging using libthread_db enabled]
[15:13:40.469] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:13:40.469] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[15:13:40.469] Program terminated with signal SIGQUIT, Quit.
[15:13:40.469] #0  0x00007f8abf0fdda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.476] [Current thread is 1 (LWP 35975)]
[15:13:40.476] 
[15:13:40.476] Thread 2 (Thread 0x7f8abf06b740 (LWP 35969)):
[15:13:40.476] warning: Couldn't find general-purpose registers in core file.
[15:13:40.476] #0  <unavailable> in ?? ()
[15:13:40.476] PC unavailable, cannot determine locals.
[15:13:40.476] Backtrace stopped: not enough registers or memory available to unwind further
[15:13:40.476] 
[15:13:40.476] Thread 1 (LWP 35975):
[15:13:40.476] #0  0x00007f8abf0fdda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.476] No symbol table info available.
[15:13:40.476] #1  0x00007f8abf0aa239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.476] No symbol table info available.
[15:13:40.476] #2  0x00007f8abf0aa497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.476] No symbol table info available.
[15:13:40.476] #3  0x00005617fd5955f3 in ?? ()
[15:13:40.476] No symbol table info available.
[15:13:40.476] #4  0x00005617fd58f369 in ?? ()
[15:13:40.476] No symbol table info available.
[15:13:40.476] #5  0x00005617fd58e20f in ?? ()
[15:13:40.476] No symbol table info available.
[15:13:40.476] #6  0x00005617fd58ec3b in ?? ()
[15:13:40.476] No symbol table info available.
[15:13:40.476] #7  0x00005617fd58c66f in ?? ()
[15:13:40.476] No symbol table info available.
[15:13:40.476] #8  0x00007f8abf09524a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.476] No symbol table info available.
[15:13:40.476] #9  0x00007f8abf095305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.476] No symbol table info available.
[15:13:40.476] #10 0x00005617fd58c781 in ?? ()
[15:13:40.476] No symbol table info available.
[15:13:40.482] -e 
[15:13:40.482] 
[15:13:40.482] 
[15:13:40.532] dumping /tmp/cores/sh-3-35969.core for /bin/sh
[15:13:40.572] 
[15:13:40.572] This GDB supports auto-downloading debuginfo from the following URLs:
[15:13:40.572]   <https://debuginfod.debian.net>
[15:13:40.572] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:13:40.572] Debuginfod has been disabled.
[15:13:40.572] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:13:40.575] [New LWP 35969]
[15:13:40.577] [Thread debugging using libthread_db enabled]
[15:13:40.577] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:13:40.577] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[15:13:40.577] Program terminated with signal SIGQUIT, Quit.
[15:13:40.577] #0  0x00007f8abf0fdda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.577] 
[15:13:40.577] Thread 1 (Thread 0x7f8abf06b740 (LWP 35969)):
[15:13:40.577] #0  0x00007f8abf0fdda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.577] No symbol table info available.
[15:13:40.577] #1  0x00007f8abf0aa239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.577] No symbol table info available.
[15:13:40.577] #2  0x00007f8abf0aa497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.577] No symbol table info available.
[15:13:40.577] #3  0x00005617fd5955c1 in ?? ()
[15:13:40.577] No symbol table info available.
[15:13:40.577] #4  0x00005617fd58f369 in ?? ()
[15:13:40.577] No symbol table info available.
[15:13:40.577] #5  0x00005617fd58e20f in ?? ()
[15:13:40.577] No symbol table info available.
[15:13:40.577] #6  0x00005617fd58ec3b in ?? ()
[15:13:40.577] No symbol table info available.
[15:13:40.577] #7  0x00005617fd58c66f in ?? ()
[15:13:40.577] No symbol table info available.
[15:13:40.577] #8  0x00007f8abf09524a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.577] No symbol table info available.
[15:13:40.577] #9  0x00007f8abf095305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[15:13:40.577] No symbol table info available.
[15:13:40.577] #10 0x00005617fd58c781 in ?? ()
[15:13:40.577] No symbol table info available.