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SubjectRe: Regression: ONE CPU fails bootup at Re: [3.2.0-RC7] BUG: unable to handle kernel NULL pointer dereference at 0000000000000598 1.478005] IP: [<ffffffff8107a6c4>] queue_work_on+0x4/0x30
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On Wed, 2012-01-04 at 13:25 +0100, Stefan Bader wrote:
> Which may point to execution of the irq worker (including a schedule_work)
> before the rtc-cmos parts are finished... Would explain why moving the
> initialize call further down does at least narrow the window for it to happen...
> The only thing I do not understand then is why that seems only to happen on Xen
> guests...

Its just likely with Xen SMP guests that the race window is larger. I
suspect similar behavior could be tripped on other slower SMP boxes as
well.

thanks
-john




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