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Bug#404090: GPU temperature skyrockets after starting X

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Alberto Gonzalez Iniesta

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Dec 21, 2006, 2:00:41 PM12/21/06
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Package: xserver-xorg-video-ati
Version: 1:6.6.3-2
Severity: important

Hi X Strike Force,

I'm fighting with my new (2nd hand) iBook G4 and found the following
behaviour in it:
(I don't run ?dm, the computer starts in text console mode)
- Start X, the GPU temperature starts to rise *very* quickly
- The temperature will reach 80 Celsius and fan will turn on
(don't know how far it would go)
- No matter whether you remain in X or quit, the temperature won't
descent

Now, if you suspend the laptop (by closing the lid) and resume
(just after a couple of secs.) not only the temperature will be
much lower, it will remain that low (~60C). That will happen
whether you suspend after quitting X OR even if you stay in X before
and after resuming.

So the problem seems to be in the initialization of the video card.

My video card conf:
Section "Device"
Identifier "Generic Video Card"
# Driver "radeon"
Driver "ati"
BusID "PCI:0:16:0"
Option "UseFBDev"
"true"
VendorName "ATI"
# Option "AGPMode" "4"
EndSection

I've tried both 'radeon' and 'ati' drivers and AGPMode 4 and none (1).
All with the same result. So it could be a kernel (module) problem
(2.6.19.1).

Thanks,

Alberto


-- System Information:
Debian Release: 4.0
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing')
Architecture: powerpc (ppc)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.19.1
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages xserver-xorg-video-ati depends on:
ii libc6 2.3.6.ds1-9 GNU C Library: Shared libraries
ii xserver-xorg-core 2:1.1.1-12 X.Org X server -- core server

xserver-xorg-video-ati recommends no packages.

-- no debconf information

--
Alberto Gonzalez Iniesta | Formación, consultoría y soporte técnico
agi@(inittab.org|debian.org)| en GNU/Linux y software libre
Encrypted mail preferred | http://inittab.com

Key fingerprint = 9782 04E7 2B75 405C F5E9 0C81 C514 AF8E 4BA4 01C3

Michel Dänzer

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Dec 22, 2006, 2:20:12 AM12/22/06
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On Thu, 2006-12-21 at 17:37 +0100, Alberto Gonzalez Iniesta wrote:
>
> I'm fighting with my new (2nd hand) iBook G4 and found the following
> behaviour in it:
> (I don't run ?dm, the computer starts in text console mode)
> - Start X, the GPU temperature starts to rise *very* quickly
> - The temperature will reach 80 Celsius and fan will turn on
> (don't know how far it would go)
> - No matter whether you remain in X or quit, the temperature won't
> descent

If

Option "DynamicClocks"

doesn't help, please provide the full X log file.


--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer

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