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Author Topic: Symptoms of GPU failure on Linux  (Read 1185 times)
zard_cz
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July 26, 2011, 11:29:51 AM
 #1

As I have mentioned in my previous post, I have Xorg process suddenly run at 100% CPU and mining stops. Could that be a hardware failure? Also, what are other hardware failure (GPU) symptoms on Linux?

Thanks
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harm
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July 26, 2011, 11:50:32 AM
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If you are running multiple GPUs and one or more lock up, that should not affect the others.

If it is not a lock up you can see higher CPU load on their python processes
http://forum.bitcoin.org/index.php?topic=30513.msg383127#msg383127


I am not sure about the Xorg explanation, but let me try:
Xorg is attached to a one GPU, the only one that works with a screen when you boot your rig.
When that GPU lockes up, Xorg is lost...
zard_cz
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July 26, 2011, 12:36:32 PM
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I am not sure about the Xorg explanation, but let me try:
Xorg is attached to a one GPU, the only one that works with a screen when you boot your rig.
When that GPU lockes up, Xorg is lost...

Thanks, will investigate. I thought that Xorg lockup will make all the gpus not to work as the ATI driver is dependent on its hooks to X for its function.
I will keep an eye on that... I still have remote access when the lockup occurs so I will have a look if the other cards mine, I have only checked one of them and that one seemed to be stuck - phoenix still running and responding to new blocks but not getting results.
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July 26, 2011, 12:38:26 PM
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Also, what would be the general symptoms of a card needing to be returned for replacement? I am running a mild overclock but it has been stable for almost a month before..
harm
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July 26, 2011, 01:06:54 PM
 #5

Actually I have just returned a GPU. It started crashing more frequently and finally I couldn't boot anymore. But I have no futher experience with this...

You are right with the ati drivers depending on X. When X crashes, for example due to the lock up of that specific GPU, than the ohters lock up, too.
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