[18:54:42.181] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[18:54:42.393] dumping /tmp/cores/sh-3-36652.core for /bin/sh
[18:54:42.442] 
[18:54:42.442] This GDB supports auto-downloading debuginfo from the following URLs:
[18:54:42.442]   <https://debuginfod.debian.net>
[18:54:42.442] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[18:54:42.442] Debuginfod has been disabled.
[18:54:42.442] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[18:54:42.446] [New LWP 36652]
[18:54:42.448] [Thread debugging using libthread_db enabled]
[18:54:42.448] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[18:54:42.448] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[18:54:42.448] Program terminated with signal SIGQUIT, Quit.
[18:54:42.448] #0  0x00007f214403ada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.457] 
[18:54:42.457] Thread 1 (Thread 0x7f2143fa8740 (LWP 36652)):
[18:54:42.457] #0  0x00007f214403ada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.457] No symbol table info available.
[18:54:42.457] #1  0x00007f2143fe7239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.457] No symbol table info available.
[18:54:42.457] #2  0x00007f2143fe7497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.457] No symbol table info available.
[18:54:42.457] #3  0x00005557a5db55c1 in ?? ()
[18:54:42.457] No symbol table info available.
[18:54:42.457] #4  0x00005557a5daf369 in ?? ()
[18:54:42.457] No symbol table info available.
[18:54:42.457] #5  0x00005557a5dae20f in ?? ()
[18:54:42.457] No symbol table info available.
[18:54:42.457] #6  0x00005557a5daec3b in ?? ()
[18:54:42.457] No symbol table info available.
[18:54:42.457] #7  0x00005557a5dac66f in ?? ()
[18:54:42.457] No symbol table info available.
[18:54:42.457] #8  0x00007f2143fd224a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.457] No symbol table info available.
[18:54:42.457] #9  0x00007f2143fd2305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.457] No symbol table info available.
[18:54:42.457] #10 0x00005557a5dac781 in ?? ()
[18:54:42.457] No symbol table info available.
[18:54:42.465] -e 
[18:54:42.465] 
[18:54:42.465] 
[18:54:42.522] dumping /tmp/cores/sh-3-36653.core for /bin/sh
[18:54:42.567] 
[18:54:42.567] This GDB supports auto-downloading debuginfo from the following URLs:
[18:54:42.567]   <https://debuginfod.debian.net>
[18:54:42.567] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[18:54:42.567] Debuginfod has been disabled.
[18:54:42.567] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[18:54:42.572] [New LWP 36653]
[18:54:42.573] [New LWP 36652]
[18:54:42.573] [Thread debugging using libthread_db enabled]
[18:54:42.573] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[18:54:42.573] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[18:54:42.573] Program terminated with signal SIGQUIT, Quit.
[18:54:42.573] #0  0x00007f214403ada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.574] [Current thread is 1 (LWP 36653)]
[18:54:42.574] 
[18:54:42.574] Thread 2 (Thread 0x7f2143fa8740 (LWP 36652)):
[18:54:42.574] warning: Couldn't find general-purpose registers in core file.
[18:54:42.574] #0  <unavailable> in ?? ()
[18:54:42.574] PC unavailable, cannot determine locals.
[18:54:42.574] Backtrace stopped: not enough registers or memory available to unwind further
[18:54:42.574] 
[18:54:42.574] Thread 1 (LWP 36653):
[18:54:42.574] #0  0x00007f214403ada4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.574] No symbol table info available.
[18:54:42.574] #1  0x00007f2143fe7239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.574] No symbol table info available.
[18:54:42.574] #2  0x00007f2143fe7497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.574] No symbol table info available.
[18:54:42.574] #3  0x00005557a5db55f3 in ?? ()
[18:54:42.574] No symbol table info available.
[18:54:42.574] #4  0x00005557a5daf369 in ?? ()
[18:54:42.574] No symbol table info available.
[18:54:42.574] #5  0x00005557a5dae20f in ?? ()
[18:54:42.574] No symbol table info available.
[18:54:42.574] #6  0x00005557a5daec3b in ?? ()
[18:54:42.574] No symbol table info available.
[18:54:42.574] #7  0x00005557a5dac66f in ?? ()
[18:54:42.574] No symbol table info available.
[18:54:42.574] #8  0x00007f2143fd224a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.574] No symbol table info available.
[18:54:42.574] #9  0x00007f2143fd2305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[18:54:42.574] No symbol table info available.
[18:54:42.574] #10 0x00005557a5dac781 in ?? ()
[18:54:42.574] No symbol table info available.