video drivers are locked up; panic during shutdown

John Baldwin jhb at
Tue May 22 12:55:08 UTC 2012

On Saturday, May 19, 2012 7:41:37 pm deeptech71 at wrote:
> A perhaps more useful crashinfo output, gathered with the use of the 
original (non-debug) kernel.

It seems like the mutex was zero'd which can result in this panic when it 
tries to adaptively spin (it sees a thread owner of NULL).

John Baldwin

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