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SubjectRe: status of: tasklet_unlock_wait() causes soft lockup with -rt and ieee1394 audio
Ingo Molnar wrote:
> * Pieter Palmers <pieterp@joow.be> wrote:
>
>> Dear all,
>>
>> What is the status with respect to this problem? I see that in the
>> current -rt patch the problematic code piece is different. I
>> personally haven't tried to reproduce this myself on a more recent
>> kernel, but I just got a report from one of our users who experienced
>> the same problem with 2.6.19-rt15 and RT preemption (desktop
>> preemption works fine).
>>
>> Should the latest -rt patches be fixed with respect to this issue? If
>> so I'll try and test them, otherwise I omit the effort.
>
> it's not fixed yet. Could you try the patch below?

I just compiled & installed 2.6.20-rc6-rt2, and I saw that this patch
was in the -rt2 patch, so I gave real-time preemption a shot. It seems
to work, I don't experience lockups anymore.

Thanks for the fix,

Pieter
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