Re: odd timer bug, similar to VIA 686a symptoms

From: Neale Banks (neale@lowendale.com.au)
Date: Wed May 29 2002 - 08:18:14 EST


On 29 May 2002, Alan Cox wrote:

> On Wed, 2002-05-29 at 10:25, Neale Banks wrote:
> >> May 28 11:19:54 gull kernel: timer.c: VIA bug check triggered. Value read 65500 [0xffdc], re-read 65485 [0xffcd]
> > May 28 11:19:55 gull kernel: timer.c: VIA bug check triggered. Value read 65500 [0xffdc], re-read 65486 [0xffce]
> > May 28 11:19:56 gull kernel: timer.c: VIA bug check triggered. Value read 65500 [0xffdc], re-read 65486 [0xffce]
> > May 28 11:19:57 gull kernel: timer.c: VIA bug check triggered. Value read 65499 [0xffdb], re-read 65484 [0xffcc]
> > May 28 11:19:58 gull kernel: timer.c: VIA bug check triggered. Value read 65497 [0xffd9], re-read 65483 [0xffcb]
> >
> > Anyone got any good theories what's going on here, given that this is a
> > ~1995 vintage laptop with a Pentium-120 (which I'm assured doesn't have a
> > VIA 686a ;-)?
>
> Neptune chipsets at least had latching bugs on timer reads. What chipset
> is the laptop ?

Does it help in that it's got a CMD640? If not, what am I looking for?

Thanks,
Neale.

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