Michael Kerrisk wrote:
>
> Thanks. I've applied it to 2.6.14-rc4: this patch does fix the
> specific behaviour that my program demonstrates.
>
> What remains to be solved?
The problem remains that all threads spin with TIF_SIGPENDING flag
after the coredumping thread sets SIGNAL_GROUP_EXIT in do_coredump()
and before it kills them in zap_threads(). If one of these threads is
SCHED_FIFO we have a deadlock. Also, the coredumping thread could be
preempted, placed in ->expired array ...
Oleg.
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