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Solved (?): TuxTops Amethyst (Compal N20U OEM) lockups, video/APM suspected



on Sun, May 13, 2001 at 10:39:27PM -0700, Karsten M. Self (kmself@ix.netcom.com) wrote:
> on Sat, May 12, 2001 at 11:05:47AM -0700, Karsten M. Self (kmself@ix.netcom.com) wrote:
> > Previously posted to debian-laptop, no responses yet.  Problems continue
> > after latest updates, seems to be display related as leaving system
> > powered on w/ X off has yet to crash.  Slightly updated.
> > ------------------------------------------------------------------------
> > 
> > I've got a TuxTops Amethyst 20U (also OEMed as the QLITech King, and the
> > Chembook 2020).  Original manufacturer is the Compal, as the N20U:  
> > 
> >     http://www.compal.com/Product/S3/20U/n20u/n20uspec.htm
> >     http://www.qlitech.net/products/laptops/king.html
> >     http://www.chembook.com/prod_specs.php3?product_id=902
> > 
> > I'm having problems with hard lockups on the system with distressing
> > regularity -- up to several times a day, sometimes while in use,
> > sometimes while sitting unattended or idle.  I suspect either video or
> > APM is leading to the problems (though I can't confirm either yet), and
> > this may be related to recent Debian updates as the problem appears to
> > be getting worse.  It could be degrading hardware, but I don't have
> > anything to pin it on yet.  
> 
> Found the following post, I'd already disabled SpeedStep (AKA
> geyserville) on the box.  So far, it's been relatively stable over the
> past three hours -- which is a pretty good run in recent days.
> 
>   http://www.linuxarkivet.nu/mlists/linux-kernel/0102/msg04873.html
> 
> I'd also forgotten that I'd inserted a PCMCIA card into the system,
> intending to work out some configuration issues.  Though PCMCIA isn't
> working on the box, I suspect this could be an issue as well.

20 hours of uptime since disabling SpeedStep.  This appears to be a fix.

-- 
Karsten M. Self <kmself@ix.netcom.com>    http://kmself.home.netcom.com/
 What part of "Gestalt" don't you understand?       There is no K5 cabal
  http://gestalt-system.sourceforge.net/         http://www.kuro5hin.org

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