[04:41:41.795] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[04:41:41.983] dumping /tmp/cores/sh-3-28451.core for /bin/sh
[04:41:42.034] 
[04:41:42.034] This GDB supports auto-downloading debuginfo from the following URLs:
[04:41:42.034]   <https://debuginfod.debian.net>
[04:41:42.034] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[04:41:42.034] Debuginfod has been disabled.
[04:41:42.034] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[04:41:42.038] [New LWP 28451]
[04:41:42.040] [New LWP 28449]
[04:41:42.040] [Thread debugging using libthread_db enabled]
[04:41:42.040] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[04:41:42.040] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[04:41:42.040] Program terminated with signal SIGQUIT, Quit.
[04:41:42.040] #0  0x00007f87102a5da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.048] [Current thread is 1 (LWP 28451)]
[04:41:42.048] 
[04:41:42.048] Thread 2 (Thread 0x7f8710213740 (LWP 28449)):
[04:41:42.048] warning: Couldn't find general-purpose registers in core file.
[04:41:42.048] #0  <unavailable> in ?? ()
[04:41:42.048] PC unavailable, cannot determine locals.
[04:41:42.048] Backtrace stopped: not enough registers or memory available to unwind further
[04:41:42.048] 
[04:41:42.048] Thread 1 (LWP 28451):
[04:41:42.048] #0  0x00007f87102a5da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.048] No symbol table info available.
[04:41:42.048] #1  0x00007f8710252239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.048] No symbol table info available.
[04:41:42.048] #2  0x00007f8710252497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.048] No symbol table info available.
[04:41:42.048] #3  0x000056115f2465f3 in ?? ()
[04:41:42.048] No symbol table info available.
[04:41:42.048] #4  0x000056115f240369 in ?? ()
[04:41:42.048] No symbol table info available.
[04:41:42.048] #5  0x000056115f23f20f in ?? ()
[04:41:42.048] No symbol table info available.
[04:41:42.048] #6  0x000056115f23fc3b in ?? ()
[04:41:42.048] No symbol table info available.
[04:41:42.048] #7  0x000056115f23d66f in ?? ()
[04:41:42.048] No symbol table info available.
[04:41:42.048] #8  0x00007f871023d24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.048] No symbol table info available.
[04:41:42.048] #9  0x00007f871023d305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.048] No symbol table info available.
[04:41:42.048] #10 0x000056115f23d781 in ?? ()
[04:41:42.048] No symbol table info available.
[04:41:42.056] -e 
[04:41:42.056] 
[04:41:42.056] 
[04:41:42.115] dumping /tmp/cores/sh-3-28449.core for /bin/sh
[04:41:42.162] 
[04:41:42.162] This GDB supports auto-downloading debuginfo from the following URLs:
[04:41:42.162]   <https://debuginfod.debian.net>
[04:41:42.162] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[04:41:42.162] Debuginfod has been disabled.
[04:41:42.162] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[04:41:42.167] [New LWP 28449]
[04:41:42.168] [Thread debugging using libthread_db enabled]
[04:41:42.168] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[04:41:42.168] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[04:41:42.168] Program terminated with signal SIGQUIT, Quit.
[04:41:42.168] #0  0x00007f87102a5da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.169] 
[04:41:42.169] Thread 1 (Thread 0x7f8710213740 (LWP 28449)):
[04:41:42.169] #0  0x00007f87102a5da4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.169] No symbol table info available.
[04:41:42.169] #1  0x00007f8710252239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.169] No symbol table info available.
[04:41:42.169] #2  0x00007f8710252497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.169] No symbol table info available.
[04:41:42.169] #3  0x000056115f2465c1 in ?? ()
[04:41:42.169] No symbol table info available.
[04:41:42.169] #4  0x000056115f240369 in ?? ()
[04:41:42.169] No symbol table info available.
[04:41:42.169] #5  0x000056115f23f20f in ?? ()
[04:41:42.169] No symbol table info available.
[04:41:42.169] #6  0x000056115f23fc3b in ?? ()
[04:41:42.169] No symbol table info available.
[04:41:42.169] #7  0x000056115f23d66f in ?? ()
[04:41:42.169] No symbol table info available.
[04:41:42.169] #8  0x00007f871023d24a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.169] No symbol table info available.
[04:41:42.169] #9  0x00007f871023d305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[04:41:42.169] No symbol table info available.
[04:41:42.169] #10 0x000056115f23d781 in ?? ()
[04:41:42.169] No symbol table info available.