Re: [BUG 2.6.29] NMI watchdog triggered in rb_insert_color calledfrom enqueue_hrtimer

From: Mikael Pettersson
Date: Thu Apr 09 2009 - 08:02:43 EST


Mikael Pettersson writes:
> Ingo Molnar writes:
> >
> > * Mikael Pettersson <mikpe@xxxxxxxx> wrote:
> >
> > > Less than an hour after updating a dual Opteron 8384 box from
> > > 2.6.29-rc6 (which it had been running for weeks) to 2.6.29 final
> > > it died with the following watchdog-detected lockup:
> >
> > Could you please check whether this is the bug fixed by:
> >
> > 7f1e2ca: hrtimer: fix rq->lock inversion (again)
>
> I am testing this now and will let you know how it goes.

The machine has now been running 2.6.29 plus that fix for more
than 24 hours with no problems. Previously it oopsed and hung
within an hour on two separate attempts to run 2.6.29 vanilla.

Thanks,

/Mikael
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