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