Messages in this thread | | | Date | Mon, 19 Nov 2007 08:38:15 -0800 | From | Arjan van de Ven <> | Subject | Re: Debugging uninterruptible sleep causing drivers |
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On Mon, 19 Nov 2007 18:39:03 +0530 Ram <vshrirama@gmail.com> wrote:
> Hi, > Would like some advices on how to debug a driver which causes a > processes to go into > uninterruptible sleep. > > Am trying to debug a bug which makes my video driver to go into > an sleep/busywaiting. (when i do 'ps -l' find a 'D' in the stat > field). > > 99% of the time the driver works, > > However when i try to run both the video and the audio > driver.(streaming audio and video) > The video driver sometimes goes into busywaiting/sleep. > > My driver contains lots of spinlocks and semaphores. I have no clue > on how to solve this issues. >
it starts by posting a URL to the (full) source code... without that.. how are people supposed to help you?
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