NVIDIA drivers present but no GPUs found (Ubuntu 14.04, GTX970)

mikey
mikey
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RE: RE: ... what is the

Quote:

Quote:
... what is the collective cruncher noun?).

I like 'farm' :-).

I saw something once that showed the progression of names as one accumulated more and more pc's, it started with 3 pc's or less, then upto 9 pc's then up to 14 pc's then onto anything above that. The first was a 'cruncher, the 2nd level was a 'garden', them comes a 'farm', then finally a 'ranch'. I'm guessing Gary is a 'rancher' by now using those terms.

Sparrow
Sparrow
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I deleted the nVidia driver

I deleted the nVidia driver and installed the newer 352.41. Now it works again. Thanks for encouraging me not to give up :-)

Gary Roberts
Gary Roberts
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First of all @Sparrow,

First of all @Sparrow, congratulations on getting everything working! I'm very pleased that you didn't 'give up' :-).

Quote:
... If nvidia-uvm doesn't appear soon in my distro's repo, I'll probably build a driver from the stuff on the nvidia website (out of curiosity) :-).


In my case, curiosity killed the cat and I decided to download the latest driver installer run file from the nvidia website. I was about to run it when I thought it might not be the best approach to install the latest and greatest without first fully updating my system. After all, I had taken it back to May 2014 in order to get around the nvidia-uvm issue. I figured it might be more appropriate to get everything updated before trying to build and install driver components.

I keep a full mirror copy of my distro's repos which I update every 2 weeks. My last update was 27th Sept and it had included new nvidia drivers - 352.30. I've been watching the forums expecting to see some sort of announcement that nvidia-uvm had been added but had seen nothing so wasn't expecting any difference from what had happened last time I tried to get the 750Ti going with current drivers.

I updated from May 2014 to present using my local repo copy and that went without incident - a lot of updates but quite fast with a local repo. I was about to run the driver installer when I decided to just start BOINC and see what would happen. I was expecting to see the dreaded "no usable GPU found" in the startup messages and the "GPU missing" status of all GPU tasks on the tasks tab so was very surprised to see all partly completed tasks just start crunching from the saved checkpoints. The only thing a little unusual was the amount of time it took for %progress to actually start incrementing. My previous experience with GPU tasks was perhaps a few seconds (5-10) before incrementing started but this time it took ages (probably around 30 secs but it felt like a lot more) :-). I always use the jump in value per second as an indication of speed so once they got going I could see that they certainly weren't going slower than before. I'll have to wait for partly completed tasks (I'm running 3x) to finish and some new tasks to run before the full story is known but so far it seems like there will be a bit of a speedup.

EDIT: The first task run completely under the new driver shows about a 5% improvement over the average for tasks recently completed under the old driver. Hopefully it wont turn out to be a single 'golden' sample :-).

Cheers,
Gary.

AgentB
AgentB
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RE: RE: RE: ... what

Quote:
Quote:

Quote:
... what is the collective cruncher noun?).

I like 'farm' :-).

I saw something once that showed the progression of names as one accumulated more and more pc's, it started with 3 pc's or less, then upto 9 pc's then up to 14 pc's then onto anything above that. The first was a 'cruncher, the 2nd level was a 'garden', them comes a 'farm', then finally a 'ranch'. I'm guessing Gary is a 'rancher' by now using those terms.

I would suggest then 'station' and 'Jackaroo' would be the geographically correct terms.

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