Re: Toshiba A40 freezes after some hours

From: Alexander Clouter (alex_at_digriz.junk-this.org.uk)
Date: 06/15/05 

Date: Tue, 14 Jun 2005 22:30:54 -0000

Evening Eggert,

On 2005-06-14, Eggert Ehmke <eggert@nickname.berlin.de> wrote:
> My toshiba a40 notebook running Gentoo Linux has some problems lately.
> After some hours of operation (long emerge) it just stops responding.
> Screen is black, no keyboard/mouse response, network is dead. But it
> still seems to run full speed, all four led's are on, fan is running
> at the same intervals as before. When I force power down/power up, it
> runs fine again after recovering the ext3 journal. I suspect a acpi or
> thermal problem. Any hints how to find the reason?
>
Trust me the problem is poor laptop design and overheating. My girlfriend
has the same laptop and it gives teriible performance.

Bet you now wish:

1) you had not installed Gentoo (Debian really is where its at[1])

2) You bought a Thinkpad :P

The ACPI is completely borked on the laptop and only if you hacked the DSDT
(rewrote a big chunk) you could pull off the fan speed but the thermals are
completely unavailable. The only way to get the temperature is to use the
'omnibook' module but its rather if you plan to try to write to any of the
features.

You will find under Windoze its just as unreliable, the morons at Toshiba
thought it was a good idea to put a desktop CPU in a laptop and then have the
fans fire out downwards into your lap/table. Make sure you have plenty of
ventilation under the laptop and you might want to 'throttle' your laptop
under linux so the problem is reduced.

Cheers

Alex

[1] http://www.funroll-loops.org/

[2] http://acpi.sourceforge.net/documentation/processor.html

> Eggert

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