https://bugzilla.redhat.com/show_bug.cgi?id=1319288
--- Comment #3 from Dave Brolley <brolley@xxxxxxxxxx> ---
(In reply to Frank Ch. Eigler from comment #2)
> - The actual crash appears to occur during a callq instruction, as it's
> writing the return-pc into the stack. I don't have a theory as to why that
> should be bad; the stack pointer etc. look ok. Continuing investigation.
Because the program uses potentially 1024 threads, the size of the stack for
each thread has been limited (PTHREAD_STACK_MIN). Unexpected and
undeterministic behaviour can occur if the stack is too small.
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