[13:50:59.104] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[13:50:59.315] dumping /tmp/cores/sh-3-30991.core for /bin/sh
[13:50:59.364] 
[13:50:59.364] This GDB supports auto-downloading debuginfo from the following URLs:
[13:50:59.364]   <https://debuginfod.debian.net>
[13:50:59.364] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[13:50:59.364] Debuginfod has been disabled.
[13:50:59.364] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[13:50:59.368] [New LWP 30991]
[13:50:59.371] [Thread debugging using libthread_db enabled]
[13:50:59.371] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[13:50:59.371] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[13:50:59.371] Program terminated with signal SIGQUIT, Quit.
[13:50:59.371] #0  0x00007f78e8e1dda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.383] 
[13:50:59.383] Thread 1 (Thread 0x7f78e8d8b740 (LWP 30991)):
[13:50:59.383] #0  0x00007f78e8e1dda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.383] No symbol table info available.
[13:50:59.383] #1  0x00007f78e8dca239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.383] No symbol table info available.
[13:50:59.383] #2  0x00007f78e8dca497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.383] No symbol table info available.
[13:50:59.383] #3  0x00005608c17a35c1 in ?? ()
[13:50:59.383] No symbol table info available.
[13:50:59.383] #4  0x00005608c179d369 in ?? ()
[13:50:59.383] No symbol table info available.
[13:50:59.383] #5  0x00005608c179c20f in ?? ()
[13:50:59.383] No symbol table info available.
[13:50:59.383] #6  0x00005608c179cc3b in ?? ()
[13:50:59.383] No symbol table info available.
[13:50:59.383] #7  0x00005608c179a66f in ?? ()
[13:50:59.383] No symbol table info available.
[13:50:59.383] #8  0x00007f78e8db524a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.383] No symbol table info available.
[13:50:59.383] #9  0x00007f78e8db5305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.383] No symbol table info available.
[13:50:59.383] #10 0x00005608c179a781 in ?? ()
[13:50:59.383] No symbol table info available.
[13:50:59.392] -e 
[13:50:59.392] 
[13:50:59.392] 
[13:50:59.454] dumping /tmp/cores/sh-3-30993.core for /bin/sh
[13:50:59.503] 
[13:50:59.503] This GDB supports auto-downloading debuginfo from the following URLs:
[13:50:59.503]   <https://debuginfod.debian.net>
[13:50:59.503] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[13:50:59.503] Debuginfod has been disabled.
[13:50:59.503] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[13:50:59.508] [New LWP 30993]
[13:50:59.509] [New LWP 30991]
[13:50:59.509] [Thread debugging using libthread_db enabled]
[13:50:59.509] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[13:50:59.509] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[13:50:59.509] Program terminated with signal SIGQUIT, Quit.
[13:50:59.509] #0  0x00007f78e8e1dda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.511] [Current thread is 1 (LWP 30993)]
[13:50:59.511] 
[13:50:59.511] Thread 2 (Thread 0x7f78e8d8b740 (LWP 30991)):
[13:50:59.511] warning: Couldn't find general-purpose registers in core file.
[13:50:59.511] #0  <unavailable> in ?? ()
[13:50:59.511] PC unavailable, cannot determine locals.
[13:50:59.511] Backtrace stopped: not enough registers or memory available to unwind further
[13:50:59.511] 
[13:50:59.511] Thread 1 (LWP 30993):
[13:50:59.511] #0  0x00007f78e8e1dda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.511] No symbol table info available.
[13:50:59.511] #1  0x00007f78e8dca239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.511] No symbol table info available.
[13:50:59.511] #2  0x00007f78e8dca497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.511] No symbol table info available.
[13:50:59.511] #3  0x00005608c17a35f3 in ?? ()
[13:50:59.511] No symbol table info available.
[13:50:59.511] #4  0x00005608c179d369 in ?? ()
[13:50:59.511] No symbol table info available.
[13:50:59.511] #5  0x00005608c179c20f in ?? ()
[13:50:59.511] No symbol table info available.
[13:50:59.511] #6  0x00005608c179cc3b in ?? ()
[13:50:59.511] No symbol table info available.
[13:50:59.511] #7  0x00005608c179a66f in ?? ()
[13:50:59.511] No symbol table info available.
[13:50:59.511] #8  0x00007f78e8db524a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.511] No symbol table info available.
[13:50:59.511] #9  0x00007f78e8db5305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[13:50:59.511] No symbol table info available.
[13:50:59.511] #10 0x00005608c179a781 in ?? ()
[13:50:59.511] No symbol table info available.