Messages in this thread | | | Date | Thu, 16 Sep 2010 20:50:50 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: Interrupt latency on some 945GM platforms |
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On Thu, 16 Sep 2010, Vasily Khoruzhick wrote:
> В сообщении от 16 of September 2010 21:30:58 автор Vasily Khoruzhick написал: > > В сообщении от 16 of September 2010 21:07:39 автор Thomas Gleixner написал: > > > > Btw, Jesse, any comments/solutions/workarounds except one with > > > > processor.max_cstate=1 in kernel commandline? Should I file a bug on > > > > fdo bugzilla? > > > > > > we fixed a HPET related bug a few days ago, which might be the cause > > > for your problem as well. > > > > Nope, it doesn't help :( > > Btw, I suspect hpet is not related, I disabled hpet completely in kernel > config but issue is still here (clocksource is acpi_pm)
Ok. The problematic part of HPET was not the clocksource, it was the clock event device which failed to deliver interrupts occasionally. It was worth a try at least.
Thanks,
tglx | |