gdb generate-core-file makes corrupted coredumps

Question

Ubuntu 10.10, GDB 7.2. I attach to an application, watch stacks in every thread, everything looks good. Do generate-core-file and try to open that coredump in gdb. No routines is shown in backtraces.

I send SIGSEGV to the application and open this new coredump in gdb. Stacks are ok and verbose.

Please tell me if you experienced a similar incorrect behaviour of generate-core-file.

Leonardo L. · Accepted Answer · 2013-03-05 22:43:30Z

2

This is a known bug in GDB. The link has also a patch for fixing the problem.

edited Mar 5, 2013 at 22:43

user142162

answered Jul 19, 2011 at 22:59

Leonardo L.

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rakslice Over a year ago

FYI, for anyone building gdb from source, here's the corresponding bug from Ubuntu 12.04 beta with the patch updated for gdb 7.4+: bugs.launchpad.net/ubuntu/+source/gdb/+bug/954714

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