Re: [patch] smp-2.3.41-A1, (was: Re: BUG? i386 TLB Flushing)

From: Ingo Molnar (mingo@chiara.csoma.elte.hu)
Date: Thu Jan 27 2000 - 13:57:39 EST


On Thu, 27 Jan 2000, Stephen C. Tweedie wrote:

> No change. The TLB explanation has a problem: I still get the same
> problem even when running a non-SMP kernel, and the extra invlpg()
> instructions in the kmap code should mean that even global pages were
> being correctly flushed on UP.

yep you are right. One more thing you might want to try: disable the NMI
watchdog via nmi_watchdog=0. In some cases when there are no two IRQ0 pins
then we still manage to start the NMI watchdog which causes problems.
(working on a fix) Although this doesnt explain all the symptoms either.

-- mingo

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