No usable GPU

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bfromcolo

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Message 55273 - Posted: 8 Aug 2014, 17:21:11 UTC

I have a fresh install of Mint 17 64 bit, with the 340.24 Nvidia driver. My GPU is a GTX-750ti. I have tried 3 different versions of BOINC (7.2.42, 7.0.65 and 7.4.12) but keep getting No Usable GPU detected. I have tried manually bouncing the client as well.

This same system running Ubuntu 14.04 was working fine a few days ago. Mint 17 is based on Ubuntu 14.04 so I don't understand what's different that is preventing the GPU from being recognized. Any ideas?
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Profile Jord
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Message 55274 - Posted: 8 Aug 2014, 17:27:54 UTC - in response to Message 55273.  

Check through Debian/Ubuntu/Mint/Derivatives - GPU recognition fixes first.
Please do not private message me for tech support, these will be ignored!
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bfromcolo

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Message 55275 - Posted: 8 Aug 2014, 18:21:09 UTC - in response to Message 55274.  

Check through Debian/Ubuntu/Mint/Derivatives - GPU recognition fixes first.


Thanks there was some useful info there. I set the debug flag and restarted. The error message now is:

Fri 08 Aug 2014 12:15:02 PM MDT | | NVIDIA drivers present but no GPUs found

The GPU is working fine, the NVIDIA utility sees it correctly.
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Profile Jord
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Message 55277 - Posted: 8 Aug 2014, 19:32:14 UTC - in response to Message 55275.  

What if you wait for a couple more minutes after a reboot and then manually start the client? At times the x-server doesn't start until late and it is needed for the detection of the GPU.
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bfromcolo

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Message 55278 - Posted: 8 Aug 2014, 20:18:35 UTC - in response to Message 55277.  

What if you wait for a couple more minutes after a reboot and then manually start the client? At times the x-server doesn't start until late and it is needed for the detection of the GPU.


I have tried stopping and restarting the client with the same result.
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Message 55279 - Posted: 8 Aug 2014, 20:27:45 UTC - in response to Message 55278.  

Nope, then my knowledge is spent. I hope a Linux guru trawls through in a bit to help you along further.
Please do not private message me for tech support, these will be ignored!
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bfromcolo

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Message 55281 - Posted: 8 Aug 2014, 21:48:40 UTC

I downloaded and manually installed the same version of the driver from NVIDIA and it is now working. I had previously used Driver Manager to get it from the xorg-edgers PPA. I had assumed the one from the ppa was identical to the one on the NVIDIA website, apparently it is not.
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SuperSluether

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Message 55305 - Posted: 10 Aug 2014, 0:23:55 UTC - in response to Message 55273.  

Any ideas? Here's mine: Mint 17 64 bit doesn't recognize your GPU. Just like it said.
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bfromcolo

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Message 55322 - Posted: 10 Aug 2014, 19:44:12 UTC - in response to Message 55305.  

Any ideas? Here's mine: Mint 17 64 bit doesn't recognize your GPU. Just like it said.


What driver are you using?

Restarting the client might help, there is a timing issue with BOINC starting before the driver loads.

sudo /etc/init.d/boinc-client restart

If you add this to the cc_config.xml file it will provide additional diagnostics.

<coproc_debug>1</coproc_debug>
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Message boards : Questions and problems : No usable GPU

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