[lkml]   [2007]   [Nov]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Debugging uninterruptible sleep causing drivers
On Mon, 19 Nov 2007 18:39:03 +0530
Ram <> 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?

If you want to reach me at my work email, use
For development, discussion and tips for power savings,
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-11-19 17:43    [from the cache]
©2003-2011 Jasper Spaans