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On 2013-03-01 02:52:12 -0500, Hans Petter Selasky wrote:
> The problem is not locking or locking order, but that the locking
> wait for signals. You know when you have a thread, you kan kill it
> using a signal. I think at shutdown all threads and processes gets
> a KILL signal, and that confuses ACPICA if it is about to grab a
> mutex.

Hmm...  That's an interesting thought.  It can happen if a thread gets
killed while holding a ACPI mutex/semaphore.  However, I am not sure
how to fix that situation.  With or without PCATCH, it can happen
anyway. :-(

Jung-uk Kim
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