Re: 2.6.21-rc4-mm1

From: Con Kolivas
Date: Fri Mar 23 2007 - 02:14:21 EST


On Friday 23 March 2007 05:17, Andy Whitcroft wrote:
> Ok, I have yet a third x86_64 machine is is blowing up with the latest
> 2.6.21-rc4-mm1+hotfixes+rsdl-0.32 but working with
> 2.6.21-rc4-mm1+hotfixes-RSDL. I have results on various hotfix levels
> so I have just fired off a set of tests across the affected machines on
> that latest hotfix stack plus the RSDL backout and the results should be
> in in the next hour or two.
>
> I think there is a strong correlation between RSDL and these hangs. Any
> suggestions as to the next step.

Found a nasty in requeue_task
+ if (list_empty(old_array->queue + old_prio))
+ __clear_bit(old_prio, p->array->prio_bitmap);

see anything wrong there? I do :P

I'll queue that up with the other changes pending and hopefully that will fix
your bug.

--
-ck
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