ATi Radeon 9550 + Open Source Radeon Driver Crash the Whole Box

[Andy Green]

John Horne wrote:
> On Mon, 2007-04-16 at 23:14 +0800, Guo Lin wrote:
>> Hi guys.
>>
>> I installed Beryl recently on my FC6. It looks great, the animations
>> are always smooth and elegant on my ATi Radeon 9550. But after using
>> it a while, it starts crashing my pc, I mean my whole PC, not Beryl
>> itself. When it crashes, usually it turn off the power of my PC,
>> leaving my power button blinking, while at other times it just hang my
>> PC ( i.e. cursor, num lock and everything is not responding).
>>
>> I tried to let Beryl run on AIGLX and also on XGL + closed source
>> driver, but both result in these weird crashes.
>>
>> Could anyone please guide me to overcome this problem? Or did anyone
>> experience this before? 
>>
> Are you sure it is not a heat problem? I have a radeon 9600, and I had
> to install an extra fan in the box. Without it the computer
> automatically shutdown as it was getting too hot after running 3D stuff.
> The system would run at a lower temperature so long as I didn't run any
> 3D games, 3D screensavers or something like beryl.

Can be a power quality problem too if it is one of those cards that have 
two connectors.  Try swapping out the PSU if you have another one lying 
around.

-Andy