[ltp] t41p - screen turns off without a reason

[Bobby]

for the shutdown problem it's a known problem : I resolve it with a =20
kernel patch for undervolt the CPU, and now with heavy load : 70/75=B0
For the moment it's the only way I found for resolve it and works great.
On Feb 26, 2006, at 12:37 AM, Laurent Gilson wrote:

> Hello
>
>>> Perhaps it's a problem because of thermal issues .. cause the fan =20=

>>> isn't
>>> able to cool the system under heavy load, even if I use the =20
>>> disengage
>>> mode (echo 0x2F 0x40 > /proc/acpi/ibm/ecdump) the CPU temp
>>> reaches 94=B0 and the system shutsdown.
>
> Did you try cleaning out the airholes and tunnels ?
>
> (...)
>
>> But now that I think of it, there was a high pitch noise from the
>> system when idle, and I think it was not there before I enabled =20
>> the GPU power
>> management.
>
> Did you change from Kernel 2.4 to 2.6 to enable that ? 2.6 has a =20
> problem with "singing": http://lwn.net/Articles/145973/ (read the =20
> comments at the end)
>
>> The noise was present also (again if I recall correctly) when the
>> machine was suspended to ram or even turned off (via suspend-to-=20
>> disk)!
>
> In Suspend-to-RAM i can belive, suspend-to-disc on the other side =20
> raises some interessting questions.
>
> cu
> --=20
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