Christoph Permes wrote:
> Hi,
>
> We use a vmware virtual machine for simulation and testing our realtime
> applications.
> Every time when a realtime application terminates the following core
> dump occures:
>
> Program terminated with signal 11, Segmentation fault.
> [New process 11728]
> [New process 11726]
> [New process 11727]
> #0 0xb7e3e675 in free () from /lib/libc.so.6
> (gdb) bt
> #0 0xb7e3e675 in free () from /lib/libc.so.6
> #1 0xb80551dd in cleanup_buffer (buffer=0x81dd210) at rt_print.c:350
> #2 0xb7dbee27 in __nptl_deallocate_tsd () from /lib/libpthread.so.0
> #3 0xb7dbff49 in start_thread () from /lib/libpthread.so.0
> #4 0xb7e9cb6e in clone () from /lib/libc.so.6
>
> The line where the segfault occures is
> free(buffer->ring);
>
> The segfault never happens when running on a real machine, so it's no
> problem when running in production, but it is annoying when every run in
> the test environment leads to a segmentation fault.
>
> Maybe it is a timing related issue as there are no problems on a real
> machine.
Did you found the issue that was causing segmentation faults, or did you
keep your workaround?
--
Gilles
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