Re: Device hang when offlining a CPU due to IRQ misrouting

From: Siddha, Suresh B
Date: Wed Jun 06 2007 - 15:39:20 EST


On Wed, Jun 06, 2007 at 11:58:29AM -0700, Darrick J. Wong wrote:
> On Tue, Jun 05, 2007 at 06:37:59PM -0700, Siddha, Suresh B wrote:
> > On Tue, Jun 05, 2007 at 04:57:07PM -0700, Darrick J. Wong wrote:
> > > On Tue, Jun 05, 2007 at 02:14:51PM -0700, Siddha, Suresh B wrote:
> > >
> > > > Can you send us your system's dmesg aswell as output of /proc/interrupts?
> > >
> > > http://sweaglesw.net/~djwong/docs/dmesg
> > > http://sweaglesw.net/~djwong/docs/interrupts
> >
> > Didn't find anything wrong in that information. Can you try this
> > appended debug patch and see if you see this error msg in dmesg, when you
> > hit the bug? Thanks.
>
> I don't see that message.

Weird. Then the bug can only happen if for some reason, "mask = map"
didn't happen in fixup_irqs(). Can you send us the disassembly of the
fixup_irqs()?

thanks,
suresh
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