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SubjectRe: perf sched record hangs machine

* Chris Malley <mail@chrismalley.co.uk> wrote:

> 2009/9/23 Ingo Molnar <mingo@elte.hu>:
> >
> > * Chris Malley <mail@chrismalley.co.uk> wrote:
> >
> >> Applied Peter's patch, doesn't seem to have fixed the problem:
> >>
> >> [ ?246.408893] BUG: unable to handle kernel paging request at ffffb300
> >> [ ?246.408939] IP: [<c011b0bd>] default_send_IPI_self+0x1d/0x50
> >
> > could you please send the full bootlog, up to the crash?
> >
> > Thanks,
> >
> > ? ? ? ?Ingo
> >
>
> Sure, but I'm just rebuilding from clean first in case the change
> wasn't picked up for some reason, because I don't see how it can get
> to default_send_IPI_self() in my configuration...

yeah - i have that thinking too - according to your earlier boot
messages x86_pmu.apic must be 0 and that codepath shouldnt trigger.

Ingo


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