panic in AcpiExReleaseMutex

Andriy Gapon avg at icyb.net.ua
Fri Dec 4 20:50:46 UTC 2009


on 04/12/2009 20:45 Moore, Robert said the following:
> Yes, you are correct. I did not have the code in front of me at the time.
> 
> When AcpiExReleaseMutex is called, apparently the mutex is in fact held,
> otherwise the function would have aborted immediately.
> 
> When the mutex is held, the Thread->AcquiredMutexList is expected to hold (at
> the minimum) the mutex object being released. Something is very wrong if this
> list is NULL when releasing the mutex.
> 
> Just to make sure: All of this is happening in the same thread?

Yes, this happens when there is only the initial thread running on BSP, no other
threads are started yet.


-- 
Andriy Gapon


More information about the freebsd-acpi mailing list