[ltp] T60 intermittent freeze 2.0

Marius Gedminas linux-thinkpad@linux-thinkpad.org
Thu, 21 Feb 2008 22:03:27 +0200


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On Thu, Feb 21, 2008 at 01:54:05PM -0500, Philippe Cl=E9ri=E9 wrote:
> I'm revisiting this issue because I'm now _reliably_ (I think)=20
> reproducing the problem. I was trying to package an app for Ubuntu=20
> gutsy using pbuilder. 6 times in row, the computer froze as described=20
> below.=20
=2E..
> As the subject says, my T60 intermittently freezes so bad I actually=20
> have to turn off the computer and reboot. Can't even get the keyboard=20
> to work. Network also freezes: can't ping or login via ssh or telnet=20
> which I setup specifically for that.
>=20
> The lock ups are very random. But they are much, much more common when=20
> I'm running on batteries. On batteries, I get about 6 freezes on a full=
=20
> charge. When connected to standard power, it only happens once, maybe=20
> twice a week.=20
>=20
> It always happens the same way. There are always a set
> of horizontal black lines approximately 1/4 in apart extending only=20
> 75/80% across the screen. Sometimes there'll be a loud beep. Once, I=20
> had random noise on the speaker.=20

This sounds very much like a hardware problem.  Could be a hairline
crack on the motherboard.  I've got a T23 that dies in a similar way
after several years of faithful service and abuse.

Marius Gedminas
--=20
If you want to trick a pointy-haired boss into letting you write software in
Lisp, you could try telling him it's XML.
                -- http://www.paulgraham.com/icad.html

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