Messages in this thread | | | Date | Wed, 23 Sep 2009 14:27:19 +0200 | From | Ingo Molnar <> | Subject | Re: perf sched record hangs machine |
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* Chris Malley <mail@chrismalley.co.uk> wrote:
> 2009/9/23 Ingo Molnar <mingo@elte.hu>: > > > > * 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 > > > > Yep, my bad. The build process had helpfully appended a -dirty tag to > the kernel version which I hadn't noticed. > > I can't make it hang any more, so the fix looks good to me, thanks > everyone.
Great, thanks!
Ingo
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