[07:47:23.715] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[07:47:23.905] dumping /tmp/cores/sh-3-26321.core for /bin/sh
[07:47:23.954] 
[07:47:23.954] This GDB supports auto-downloading debuginfo from the following URLs:
[07:47:23.954]   <https://debuginfod.debian.net>
[07:47:23.954] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[07:47:23.954] Debuginfod has been disabled.
[07:47:23.954] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[07:47:23.959] [New LWP 26321]
[07:47:23.961] [New LWP 26320]
[07:47:23.961] [Thread debugging using libthread_db enabled]
[07:47:23.961] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[07:47:23.961] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[07:47:23.961] Program terminated with signal SIGQUIT, Quit.
[07:47:23.961] #0  0x00007f9ff92e9da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:23.969] [Current thread is 1 (LWP 26321)]
[07:47:23.969] 
[07:47:23.969] Thread 2 (Thread 0x7f9ff9257740 (LWP 26320)):
[07:47:23.969] warning: Couldn't find general-purpose registers in core file.
[07:47:23.969] #0  <unavailable> in ?? ()
[07:47:23.969] PC unavailable, cannot determine locals.
[07:47:23.969] Backtrace stopped: not enough registers or memory available to unwind further
[07:47:23.969] 
[07:47:23.969] Thread 1 (LWP 26321):
[07:47:23.969] #0  0x00007f9ff92e9da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:23.969] No symbol table info available.
[07:47:23.969] #1  0x00007f9ff9296239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:23.969] No symbol table info available.
[07:47:23.969] #2  0x00007f9ff9296497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:23.969] No symbol table info available.
[07:47:23.969] #3  0x00005631508d05f3 in ?? ()
[07:47:23.969] No symbol table info available.
[07:47:23.969] #4  0x00005631508ca369 in ?? ()
[07:47:23.969] No symbol table info available.
[07:47:23.969] #5  0x00005631508c920f in ?? ()
[07:47:23.969] No symbol table info available.
[07:47:23.969] #6  0x00005631508c9c3b in ?? ()
[07:47:23.969] No symbol table info available.
[07:47:23.969] #7  0x00005631508c766f in ?? ()
[07:47:23.969] No symbol table info available.
[07:47:23.969] #8  0x00007f9ff928124a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:23.969] No symbol table info available.
[07:47:23.969] #9  0x00007f9ff9281305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:23.969] No symbol table info available.
[07:47:23.969] #10 0x00005631508c7781 in ?? ()
[07:47:23.969] No symbol table info available.
[07:47:23.977] -e 
[07:47:23.977] 
[07:47:23.977] 
[07:47:24.036] dumping /tmp/cores/sh-3-26320.core for /bin/sh
[07:47:24.084] 
[07:47:24.084] This GDB supports auto-downloading debuginfo from the following URLs:
[07:47:24.084]   <https://debuginfod.debian.net>
[07:47:24.084] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[07:47:24.084] Debuginfod has been disabled.
[07:47:24.084] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[07:47:24.089] [New LWP 26320]
[07:47:24.090] [Thread debugging using libthread_db enabled]
[07:47:24.090] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[07:47:24.090] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[07:47:24.090] Program terminated with signal SIGQUIT, Quit.
[07:47:24.090] #0  0x00007f9ff92e9da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:24.091] 
[07:47:24.091] Thread 1 (Thread 0x7f9ff9257740 (LWP 26320)):
[07:47:24.091] #0  0x00007f9ff92e9da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:24.091] No symbol table info available.
[07:47:24.091] #1  0x00007f9ff9296239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:24.091] No symbol table info available.
[07:47:24.091] #2  0x00007f9ff9296497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:24.091] No symbol table info available.
[07:47:24.091] #3  0x00005631508d05c1 in ?? ()
[07:47:24.091] No symbol table info available.
[07:47:24.091] #4  0x00005631508ca369 in ?? ()
[07:47:24.091] No symbol table info available.
[07:47:24.091] #5  0x00005631508c920f in ?? ()
[07:47:24.091] No symbol table info available.
[07:47:24.091] #6  0x00005631508c9c3b in ?? ()
[07:47:24.091] No symbol table info available.
[07:47:24.091] #7  0x00005631508c766f in ?? ()
[07:47:24.091] No symbol table info available.
[07:47:24.091] #8  0x00007f9ff928124a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:24.091] No symbol table info available.
[07:47:24.091] #9  0x00007f9ff9281305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[07:47:24.091] No symbol table info available.
[07:47:24.091] #10 0x00005631508c7781 in ?? ()
[07:47:24.091] No symbol table info available.