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On Mon, 24 Mar 2008, Gabriel C wrote: > > Hmm. Can you please apply the patch below. It add some more info and > > triggers the sysrq-q timer list printout when the watchdog > > triggers. That might us give some insight into this. > > Sorry for the lag , I was out the whole day. > > Here is what I've found in dmesg ( the box was idling at that time , as said I was not around ): > > ... > > [34528.893366] Clocksource tsc unstable (delta = 4686697613 ns) E:34204592 J:34210723 Ok. The timer got delayed. It got delayed because it is initialized as a deferrable timer, which is obviously wrong. Sigh, I signed off on that commit myself without thinking about the consequences. Can you please apply the patch below on top of the others? > ... > > And that made irqbalance go mad which got killed by OOM , very strange. Ouch. revert: 1077f5a917b7c630231037826b344b2f7f5b903f --- kernel/time/clocksource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/kernel/time/clocksource.c =================================================================== --- linux-2.6.orig/kernel/time/clocksource.c +++ linux-2.6/kernel/time/clocksource.c @@ -176,7 +176,7 @@ static void clocksource_check_watchdog(s if (watchdog) del_timer(&watchdog_timer); watchdog = cs; - init_timer_deferrable(&watchdog_timer); + init_timer(&watchdog_timer); watchdog_timer.function = clocksource_watchdog; /* Reset watchdog cycles */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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