[15:16:23.925] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[15:16:24.116] dumping /tmp/cores/sh-3-40003.core for /bin/sh
[15:16:24.163] 
[15:16:24.163] This GDB supports auto-downloading debuginfo from the following URLs:
[15:16:24.163]   <https://debuginfod.debian.net>
[15:16:24.163] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:16:24.163] Debuginfod has been disabled.
[15:16:24.163] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:16:24.167] [New LWP 40003]
[15:16:24.169] [Thread debugging using libthread_db enabled]
[15:16:24.169] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:16:24.169] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[15:16:24.169] Program terminated with signal SIGQUIT, Quit.
[15:16:24.169] #0  0x00007f1646bf5dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.177] 
[15:16:24.177] Thread 1 (Thread 0x7f1646b63740 (LWP 40003)):
[15:16:24.177] #0  0x00007f1646bf5dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.177] No symbol table info available.
[15:16:24.177] #1  0x00007f1646ba2239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.177] No symbol table info available.
[15:16:24.177] #2  0x00007f1646ba2497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.177] No symbol table info available.
[15:16:24.177] #3  0x000055a4e35d65c1 in ?? ()
[15:16:24.177] No symbol table info available.
[15:16:24.177] #4  0x000055a4e35d0369 in ?? ()
[15:16:24.177] No symbol table info available.
[15:16:24.177] #5  0x000055a4e35cf20f in ?? ()
[15:16:24.177] No symbol table info available.
[15:16:24.177] #6  0x000055a4e35cfc3b in ?? ()
[15:16:24.177] No symbol table info available.
[15:16:24.177] #7  0x000055a4e35cd66f in ?? ()
[15:16:24.177] No symbol table info available.
[15:16:24.177] #8  0x00007f1646b8d24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.177] No symbol table info available.
[15:16:24.177] #9  0x00007f1646b8d305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.177] No symbol table info available.
[15:16:24.177] #10 0x000055a4e35cd781 in ?? ()
[15:16:24.177] No symbol table info available.
[15:16:24.185] -e 
[15:16:24.185] 
[15:16:24.185] 
[15:16:24.242] dumping /tmp/cores/sh-3-40005.core for /bin/sh
[15:16:24.287] 
[15:16:24.287] This GDB supports auto-downloading debuginfo from the following URLs:
[15:16:24.287]   <https://debuginfod.debian.net>
[15:16:24.287] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[15:16:24.287] Debuginfod has been disabled.
[15:16:24.287] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[15:16:24.291] [New LWP 40005]
[15:16:24.293] [New LWP 40003]
[15:16:24.293] [Thread debugging using libthread_db enabled]
[15:16:24.293] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[15:16:24.293] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[15:16:24.293] Program terminated with signal SIGQUIT, Quit.
[15:16:24.293] #0  0x00007f1646bf5dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.294] [Current thread is 1 (LWP 40005)]
[15:16:24.294] 
[15:16:24.294] Thread 2 (Thread 0x7f1646b63740 (LWP 40003)):
[15:16:24.294] warning: Couldn't find general-purpose registers in core file.
[15:16:24.294] #0  <unavailable> in ?? ()
[15:16:24.294] PC unavailable, cannot determine locals.
[15:16:24.294] Backtrace stopped: not enough registers or memory available to unwind further
[15:16:24.294] 
[15:16:24.294] Thread 1 (LWP 40005):
[15:16:24.294] #0  0x00007f1646bf5dd4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.294] No symbol table info available.
[15:16:24.294] #1  0x00007f1646ba2239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.294] No symbol table info available.
[15:16:24.294] #2  0x00007f1646ba2497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.294] No symbol table info available.
[15:16:24.294] #3  0x000055a4e35d65f3 in ?? ()
[15:16:24.294] No symbol table info available.
[15:16:24.294] #4  0x000055a4e35d0369 in ?? ()
[15:16:24.294] No symbol table info available.
[15:16:24.294] #5  0x000055a4e35cf20f in ?? ()
[15:16:24.294] No symbol table info available.
[15:16:24.294] #6  0x000055a4e35cfc3b in ?? ()
[15:16:24.294] No symbol table info available.
[15:16:24.294] #7  0x000055a4e35cd66f in ?? ()
[15:16:24.294] No symbol table info available.
[15:16:24.294] #8  0x00007f1646b8d24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.294] No symbol table info available.
[15:16:24.294] #9  0x00007f1646b8d305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[15:16:24.294] No symbol table info available.
[15:16:24.294] #10 0x000055a4e35cd781 in ?? ()
[15:16:24.294] No symbol table info available.