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SubjectRe: Keyboard freezes on SIS630 based Clevo notebooks
On Thu, Aug 29, 2002 at 09:05:33PM +0200, Moritz Muehlenhoff wrote:

> Hi,
> I own a SIS630 based notebook from Baycom (model name "Worldbook II"), which
> indeed is a rebrand from a Clevo/Kapok model (normal model name 2700C).
>
> I'm experiencing occasional, unreproducable keyboard lockups. No keyboard
> input at all is accepted while the machine itself continues to work
> properly (processes continue to write to stdout and I can login and
> continue to work through SSH). The freezes occur approx. at least once
> a week and sometimes three times a day, so there's no real pattern behind
> it.
>
> A friend of mine owns the same model and the same problems occur; I also
> found a website stating the same problems on it; so it's of general nature
> and not specific to my hardware. I didn't find any information about these
> freezes running Windows, so I guess it's Linux-kernel specific and not a sole
> hardware issue.
>
> The system freezed on all kinds of kernel, either 2.4 and 2.5, either
> vanilla and heavily patched.
>
> So, the big question: Which data would I need to collect on the next freeze
> that would allow an experienced kernel hacker to track down the problem?
>
> This nasty bug is the only thing in the way to a perfect Linux notebook,
> everything else works just perfect.

If it freezes with 2.5.32 (or better the latest BK tree), then #define
I8042_DEBUG_DATA in drivers/input/serio/i8042.h and send me the log of
the last i8042 data before the freeze.

--
Vojtech Pavlik
SuSE Labs
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