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SubjectRe: 2.6.20 BUG: soft lockup detected on CPU#0!
On Thu, 8 Feb 2007 09:06:44 +0100 Ingo Molnar <mingo@elte.hu> wrote:

>
> * Andrew Morton <akpm@linux-foundation.org> wrote:
>
> > The softlock detector has a long history of false positives and
> > precious few true positives, in my experience.
>
> hm, not so the latest & lamest in my experience. The commit that made it
> quite robust was 6687a97d4041f996f725902d2990e5de6ef5cbe5, as of March
> 2006, and first showed up in 2.6.17. (OTOH, since the merge of lockdep
> the main source of soft lockups in the field has been quite severely
> reduced. Nevertheless it's still good to have it around, occasionally
> there happen other types of soft lockups too, in open-coded loops, etc.)
>

So... what caused Lukasz's lockup?
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