[05:39:00.389] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[05:39:00.606] dumping /tmp/cores/sh-3-31451.core for /bin/sh
[05:39:00.656] 
[05:39:00.656] This GDB supports auto-downloading debuginfo from the following URLs:
[05:39:00.656]   <https://debuginfod.debian.net>
[05:39:00.656] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[05:39:00.656] Debuginfod has been disabled.
[05:39:00.656] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[05:39:00.661] [New LWP 31451]
[05:39:00.663] [New LWP 31447]
[05:39:00.663] [Thread debugging using libthread_db enabled]
[05:39:00.663] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[05:39:00.663] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[05:39:00.663] Program terminated with signal SIGQUIT, Quit.
[05:39:00.663] #0  0x00007f7da0926da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.673] [Current thread is 1 (LWP 31451)]
[05:39:00.673] 
[05:39:00.673] Thread 2 (Thread 0x7f7da0894740 (LWP 31447)):
[05:39:00.673] warning: Couldn't find general-purpose registers in core file.
[05:39:00.673] #0  <unavailable> in ?? ()
[05:39:00.673] PC unavailable, cannot determine locals.
[05:39:00.673] Backtrace stopped: not enough registers or memory available to unwind further
[05:39:00.673] 
[05:39:00.673] Thread 1 (LWP 31451):
[05:39:00.673] #0  0x00007f7da0926da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.673] No symbol table info available.
[05:39:00.673] #1  0x00007f7da08d3239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.673] No symbol table info available.
[05:39:00.673] #2  0x00007f7da08d3497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.673] No symbol table info available.
[05:39:00.673] #3  0x00005600fe4bb5f3 in ?? ()
[05:39:00.673] No symbol table info available.
[05:39:00.673] #4  0x00005600fe4b5369 in ?? ()
[05:39:00.673] No symbol table info available.
[05:39:00.673] #5  0x00005600fe4b420f in ?? ()
[05:39:00.673] No symbol table info available.
[05:39:00.673] #6  0x00005600fe4b4c3b in ?? ()
[05:39:00.673] No symbol table info available.
[05:39:00.673] #7  0x00005600fe4b266f in ?? ()
[05:39:00.673] No symbol table info available.
[05:39:00.673] #8  0x00007f7da08be24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.673] No symbol table info available.
[05:39:00.673] #9  0x00007f7da08be305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.673] No symbol table info available.
[05:39:00.673] #10 0x00005600fe4b2781 in ?? ()
[05:39:00.673] No symbol table info available.
[05:39:00.681] -e 
[05:39:00.681] 
[05:39:00.681] 
[05:39:00.740] dumping /tmp/cores/sh-3-31447.core for /bin/sh
[05:39:00.788] 
[05:39:00.788] This GDB supports auto-downloading debuginfo from the following URLs:
[05:39:00.788]   <https://debuginfod.debian.net>
[05:39:00.788] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[05:39:00.788] Debuginfod has been disabled.
[05:39:00.788] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[05:39:00.792] [New LWP 31447]
[05:39:00.793] [Thread debugging using libthread_db enabled]
[05:39:00.793] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[05:39:00.793] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[05:39:00.793] Program terminated with signal SIGQUIT, Quit.
[05:39:00.793] #0  0x00007f7da0926da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.794] 
[05:39:00.794] Thread 1 (Thread 0x7f7da0894740 (LWP 31447)):
[05:39:00.794] #0  0x00007f7da0926da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.794] No symbol table info available.
[05:39:00.794] #1  0x00007f7da08d3239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.794] No symbol table info available.
[05:39:00.794] #2  0x00007f7da08d3497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.794] No symbol table info available.
[05:39:00.794] #3  0x00005600fe4bb5c1 in ?? ()
[05:39:00.794] No symbol table info available.
[05:39:00.794] #4  0x00005600fe4b5369 in ?? ()
[05:39:00.794] No symbol table info available.
[05:39:00.794] #5  0x00005600fe4b420f in ?? ()
[05:39:00.794] No symbol table info available.
[05:39:00.794] #6  0x00005600fe4b4c3b in ?? ()
[05:39:00.794] No symbol table info available.
[05:39:00.794] #7  0x00005600fe4b266f in ?? ()
[05:39:00.794] No symbol table info available.
[05:39:00.794] #8  0x00007f7da08be24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.794] No symbol table info available.
[05:39:00.794] #9  0x00007f7da08be305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[05:39:00.794] No symbol table info available.
[05:39:00.794] #10 0x00005600fe4b2781 in ?? ()
[05:39:00.794] No symbol table info available.