Re: Comment on 2.6.16-rt6 PI

From: Thomas Gleixner
Date: Sat Mar 25 2006 - 13:32:48 EST


On Sat, 2006-03-25 at 19:23 +0100, Esben Nielsen wrote:
> Sorry for the lack of details. I just thought the test-case wouldn't make
> sense to you much and didn't paste it in. I was in a bit of a hurry too.
> Now I have a little more time and can tell you what is going on:
>
> top_waiter!=NULL
> waiter!=NULL
> waiter!=rt_mutex_top_waiter(lock)
>
> Therefore one top_waiter is removed and but nothing is inserted.

How does this happen. From inside the loop this is impossible. And I
dont see a caller with that constellation either.

tglx


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