exclude GPU in cc_config

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Message 1838965 - Posted: 30 Dec 2016, 22:41:16 UTC
Last modified: 30 Dec 2016, 22:41:49 UTC

A friend of mine has to exclude one of his GPU`s for crunching cause its overheating.
He has no time atm to remove it since it is in a water cooling loop.
So i told hime just to exclude it via cc_config but i`m not 100% sure how this works.

Anyone has an example for him ?

Thanks in adcance.


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Message 1838975 - Posted: 30 Dec 2016, 23:07:40 UTC - in response to Message 1838965.  
Last modified: 30 Dec 2016, 23:08:17 UTC

I'm guessing your talking about Steve, did you try just pulling the power cable off?

EDIT: And reboot.
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Message 1838981 - Posted: 30 Dec 2016, 23:36:11 UTC - in response to Message 1838975.  

That won't work because the card will attempt to pull the power it needs from the PCIe bus. Which leads to caterwauling GPU fans and quick system crash. Know from experience what happens when you forget to plug in those PCIe cables.
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Message 1838984 - Posted: 30 Dec 2016, 23:42:21 UTC

So, pull the card out of the slot as well as unplugging it.
If it is necessary to leave it close to where it is for now due to the cooling plumbing, make sure a piece of cardboard or other insulation prevents it from shorting out anything it might rest on.
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Message 1838990 - Posted: 30 Dec 2016, 23:55:18 UTC

The problem is that I need to pull the middle card first, which has plumbing. I can't pull the air cooled one because the plumbing is in the way. I have tried the cc_config file, to disable the GPU without success. I just don't have the time to remove it, for perhaps 2 weeks. It has totally failed, and as soon as I have the time, I have another water cooled one to replace it with. Draining my system down, and re plumbing it is an all day task, so I would rather disable it until I have the time to deal with it successfully. That is the biggest problem with water cooling, external to the case. I can not do a quick switch and go. Changes take a long time. On the other hand, with my huge radiators, I can't over heat a GPU no matter how hard I try.

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Message 1838994 - Posted: 31 Dec 2016, 0:11:28 UTC

If it's dead you should Ignore it;
<cc_config>
   <log_flags>
   </log_flags>
   <options>
       <ignore_nvidia_dev>1</ignore_nvidia_dev>
   </options>
</cc_config>

Set the device number to the card you want to ignore.
http://boinc.berkeley.edu/wiki/Client_configuration#Options
You need to restart BOINC to have it take affect.
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Message 1839008 - Posted: 31 Dec 2016, 0:50:00 UTC - in response to Message 1838990.  

I know it would be an added cost, and reworking things would not be a simple task.
But I think somewhere I read about quick disconnect fittings that allow tubing to be taken apart and they have little stop valves built into them that prevent most fluid leakage.
Or does your setup have more than one device in a loop?
In that case, removing one card would interrupt the flow to other devices.
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Message 1839015 - Posted: 31 Dec 2016, 1:09:14 UTC - in response to Message 1838994.  

If it's dead you should Ignore it;
<cc_config>
   <log_flags>
   </log_flags>
   <options>
       <ignore_nvidia_dev>1</ignore_nvidia_dev>
   </options>
</cc_config>

Set the device number to the card you want to ignore.
http://boinc.berkeley.edu/wiki/Client_configuration#Options
You need to restart BOINC to have it take affect.

That did it!
What I had tried before didn't work but that did it!
Thank you!

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Message 1839136 - Posted: 31 Dec 2016, 15:28:31 UTC - in response to Message 1838981.  

That won't work because the card will attempt to pull the power it needs from the PCIe bus. Which leads to caterwauling GPU fans and quick system crash. Know from experience what happens when you forget to plug in those PCIe cables.


For AMD Fiji based cards, the card is disabled if the power cable is removed. I ran my triple produo block like this until fixed drivers were released. It worked perfectly fine, with only 1 power plug removed the card was completely disabled.
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Message 1839152 - Posted: 31 Dec 2016, 15:58:52 UTC - in response to Message 1839136.  

That won't work because the card will attempt to pull the power it needs from the PCIe bus. Which leads to caterwauling GPU fans and quick system crash. Know from experience what happens when you forget to plug in those PCIe cables.


For AMD Fiji based cards, the card is disabled if the power cable is removed. I ran my triple produo block like this until fixed drivers were released. It worked perfectly fine, with only 1 power plug removed the card was completely disabled.

What they described also goes against the PCIe specification. Sounds like whichever manufacture they had that experience with should be avoided if they can't be bothered to fulls a spec.
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Message 1839175 - Posted: 31 Dec 2016, 17:10:31 UTC - in response to Message 1839152.  

That won't work because the card will attempt to pull the power it needs from the PCIe bus. Which leads to caterwauling GPU fans and quick system crash. Know from experience what happens when you forget to plug in those PCIe cables.


For AMD Fiji based cards, the card is disabled if the power cable is removed. I ran my triple produo block like this until fixed drivers were released. It worked perfectly fine, with only 1 power plug removed the card was completely disabled.

What they described also goes against the PCIe specification. Sounds like whichever manufacture they had that experience with should be avoided if they can't be bothered to fulls a spec.


That was with my Nvidia FE GTX1070's when I first got them.
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Message boards : Number crunching : exclude GPU in cc_config


 
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