Messages in this thread | | | Date | Wed, 23 Sep 2009 10:15:07 +0100 | Subject | Re: perf sched record hangs machine | From | Chris Malley <> |
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2009/9/23 Cyrill Gorcunov <gorcunov@gmail.com>: > > Btw, meanwhile Chris may try to pass lapic boot-option in attempt to > reenable apic via msr registers. Also (iirc) i feel we may be hiding > errors if complete noop apic would be used since i belive we need to > check out under which condition a particular operation is called and > when apic is disabled it's mean we're switched to UP mode and > inter-cpu interrupts are under suspicion too. Will take a look during > ~6 hours ;) >
Hi Cyrill
Heh, yes that just occurred to me as well. With the lapic boot option I can't reproduce the problem, and get a good recording every time. Don't know why the BIOS had disabled it (can't see any specific option).
cheers Chris
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