[ltp] Unexplained crashes on Thinkpad T21

[Douglas Bridges]

On my A20m, the problem was with the X screen blanking (not the
screensaver). When I turned off screen blanking, I no longer got the hard
locks. I am not sure that this will fix the T21, but I would recommend
trying turning it off (I forgot exactly how I did it, check the web).

Doug
----- Original Message -----
From: "Carsten Heyl" <cal@pixelboxx.de>
To: <linux-thinkpad@www.bm-soft.com>
Sent: Friday, June 22, 2001 2:35 PM
Subject: Re: [ltp] Unexplained crashes on Thinkpad T21


> Hi All!
>
> Sounds familiar to me
> It was on my a20p but nevertheless maybe the cause is the same:
>     Check the clock speed of your processor (cat /etc/proc/cpuinfo).
>
> I found myself having lots of trouble with X (cylinkg screens, windows,
> windows don't respond, complete hangs, etc.)
> when the colck speed was reduced by PowerStep (?) Technology of intel.
> I disabled reducing speed in the BIOS and no problem since!
>
> Neil Jerram wrote:
>
> > >>>>> "DS" == D Sen <dsen@research.att.com> writes:
> >
> >     DS> Which version of X are you using?  If its 4.x.x, then do you
> >     DS> have ' Option "ShadowStatus" " in the device section of your
> >     DS> /etc/X11/XF86Config-4?
> >
> >     DS> DS
> >
> >     DS> Nigel Metheringham wrote:
> >
> >     >> I have a relatively new Thinkpad T21.  It is currently
> >     >> exhibiting unexplained and hard to debug crashes/hangs. [...]
> >
> > FWIW, I also have a new T21, and see similar hangs to those you
> > describe.  I use Debian Potato (2.2), which I believe has XFree86
> > version 3.  (How can I get the exact version of X, BTW?)
> >
> > I only get the hangs when running Gnome, and I've found empirically
> > that I get them much _less_ if I don't use Alt-TAB to switch between
> > windows.  (Which is a shame, since I like Alt-TAB!)
> >
> > Maybe these clues might help...
> >
> >         Neil
> >
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>
> --
>   Carsten Heyl                          cal@pixelboxx.de
>   Pixelboxx GmbH                        http://www.pixelboxx.de/
>   Ostenhellweg 56-58                    Tel.:   +49 231 53 46 30
> D-44135 Dortmund                        Mobile: +49 174 31 83 608
>
>
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