Re: 2.6.15-mm2

[Ingo Molnar]

* Andrew Morton <akpm@xxxxxxxx> wrote:

> Reuben Farrelly <reuben-lkml@xxxxxxxx> wrote:
> >
> > Ok here's the latest one, this time with KALLSYMS_ALL, CONFIG_FRAME_POINTER, 
> >  CONFIG_DETECT_SOFTLOCKUP and the DEBUG_WARN_ON(current->state != TASK_RUNNING); 
> >  patch from Ingo.
> 
> This is quite ugly.  I'd be suspecting a block layer problem: RAID or 
> the underlying device driver (ahci) has lost an IO.

yeah, now it more looks like that to me too. What happens is a raid1 
resync happens in the background - which is one of the more complex 
raid1 workloads - and there've been a good number of md patches 
recently. Reuben, does -git5 show the same symptoms?

	Ingo
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