[17:26:33.813] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[17:26:34.012] dumping /tmp/cores/sh-3-26253.core for /bin/sh
[17:26:34.060] 
[17:26:34.060] This GDB supports auto-downloading debuginfo from the following URLs:
[17:26:34.060]   <https://debuginfod.debian.net>
[17:26:34.060] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[17:26:34.060] Debuginfod has been disabled.
[17:26:34.060] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[17:26:34.064] [New LWP 26253]
[17:26:34.066] [Thread debugging using libthread_db enabled]
[17:26:34.066] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[17:26:34.066] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[17:26:34.066] Program terminated with signal SIGQUIT, Quit.
[17:26:34.066] #0  0x00007f154f9efda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.075] 
[17:26:34.075] Thread 1 (Thread 0x7f154f95d740 (LWP 26253)):
[17:26:34.075] #0  0x00007f154f9efda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.075] No symbol table info available.
[17:26:34.075] #1  0x00007f154f99c239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.075] No symbol table info available.
[17:26:34.075] #2  0x00007f154f99c497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.075] No symbol table info available.
[17:26:34.075] #3  0x0000558860af65c1 in ?? ()
[17:26:34.075] No symbol table info available.
[17:26:34.075] #4  0x0000558860af0369 in ?? ()
[17:26:34.075] No symbol table info available.
[17:26:34.075] #5  0x0000558860aef20f in ?? ()
[17:26:34.075] No symbol table info available.
[17:26:34.075] #6  0x0000558860aefc3b in ?? ()
[17:26:34.075] No symbol table info available.
[17:26:34.075] #7  0x0000558860aed66f in ?? ()
[17:26:34.075] No symbol table info available.
[17:26:34.075] #8  0x00007f154f98724a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.075] No symbol table info available.
[17:26:34.075] #9  0x00007f154f987305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.075] No symbol table info available.
[17:26:34.075] #10 0x0000558860aed781 in ?? ()
[17:26:34.075] No symbol table info available.
[17:26:34.083] -e 
[17:26:34.083] 
[17:26:34.083] 
[17:26:34.143] dumping /tmp/cores/sh-3-26256.core for /bin/sh
[17:26:34.191] 
[17:26:34.191] This GDB supports auto-downloading debuginfo from the following URLs:
[17:26:34.191]   <https://debuginfod.debian.net>
[17:26:34.191] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[17:26:34.191] Debuginfod has been disabled.
[17:26:34.191] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[17:26:34.195] [New LWP 26256]
[17:26:34.196] [New LWP 26253]
[17:26:34.196] [Thread debugging using libthread_db enabled]
[17:26:34.196] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[17:26:34.196] Core was generated by `sh -c cp "/tmp/cirrus-ci-build/build/testrun/recovery/042_low_level_backup/data'.
[17:26:34.196] Program terminated with signal SIGQUIT, Quit.
[17:26:34.196] #0  0x00007f154f9efda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.198] [Current thread is 1 (LWP 26256)]
[17:26:34.198] 
[17:26:34.198] Thread 2 (Thread 0x7f154f95d740 (LWP 26253)):
[17:26:34.198] warning: Couldn't find general-purpose registers in core file.
[17:26:34.198] #0  <unavailable> in ?? ()
[17:26:34.198] PC unavailable, cannot determine locals.
[17:26:34.198] Backtrace stopped: not enough registers or memory available to unwind further
[17:26:34.198] 
[17:26:34.198] Thread 1 (LWP 26256):
[17:26:34.198] #0  0x00007f154f9efda4 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.198] No symbol table info available.
[17:26:34.198] #1  0x00007f154f99c239 in sigprocmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.198] No symbol table info available.
[17:26:34.198] #2  0x00007f154f99c497 in sigsetmask () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.198] No symbol table info available.
[17:26:34.198] #3  0x0000558860af65f3 in ?? ()
[17:26:34.198] No symbol table info available.
[17:26:34.198] #4  0x0000558860af0369 in ?? ()
[17:26:34.198] No symbol table info available.
[17:26:34.198] #5  0x0000558860aef20f in ?? ()
[17:26:34.198] No symbol table info available.
[17:26:34.198] #6  0x0000558860aefc3b in ?? ()
[17:26:34.198] No symbol table info available.
[17:26:34.198] #7  0x0000558860aed66f in ?? ()
[17:26:34.198] No symbol table info available.
[17:26:34.198] #8  0x00007f154f98724a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.198] No symbol table info available.
[17:26:34.198] #9  0x00007f154f987305 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
[17:26:34.198] No symbol table info available.
[17:26:34.198] #10 0x0000558860aed781 in ?? ()
[17:26:34.198] No symbol table info available.