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Ubuntu 15.04 GTX 970 Not Recognized

post #1 of 9
Thread Starter 
I am a complete Linux noob... so dumb down everything for me lol...

I just installed Ubuntu 15.04 alongside Windows 10 and am trying to figure out why F@H recognizes my 660 Ti, but not my 970. I have both the cards in the rig and F@H is currently crunching away with the 660 Ti.

I've followed a couple "What to do after a fresh install" guides, so I'm positive everything is up to date. I have the current nvidia driver as well.

I've gone into the slots and tried to add my 970, but my attempts have failed. I ran into this issue within Win 10, but I snagged the GPUs.txt file from someone and it worked just fine. I'm not sure if I can just find the install directory within Ubuntu and copy over the GPUs.txt file I've already found into it... sadly, I do not know how to find the install directory for F@H (shame on me!)...

I really want this to work because my 660 TI is currently at 250k PPD (dunno if it's just a really good WU or not) whereas in Win 10 I'm lucky to get 90k.


EDIT: I believe the identities are mixed up... My 970 is putting out heat, but the 660 TI is cool.
Edited by Eeyore888 - 9/25/15 at 3:20pm
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post #2 of 9
What driver version did you install? If you open "nvidia X server settings" does it show both your gpu's correctly?
post #3 of 9
Thread Starter 
I have 352.41 and the x server settings do list both cards. I opened a terminal and entered FAHClient and in the log it should both cards folding however, FAHControl was not functioning... Probably because of my attempts to manually add the slots lol.
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post #4 of 9
So everything is working correctly now?

You should switch to driver version 346.59 for optimal PPD on the 970. I saw a 40k PPD increase when switching from 352.30 to 346.59
post #5 of 9
Thread Starter 
From what I saw in the terminal, it was folding with both GPUs. However, FAHControl was not working.

I'm going to try reinstalling it.

How do I revert to older drivers in Ubuntu? I'm terrible when it comes to command syntax lol.
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post #6 of 9
Thread Starter 
HAHAHAHA!!!

I completely removed everything using the uninstall command on the F@H page, reinstalled, then from the file directories listed on the install guide, I found the GPUs.txt. Once I deleted it and replaced the one I used within Win10, both cards were recognized immediately!

I'm going to try out these drivers for a day, then swap over to 346.59 to compare. After I sort that out, I'm going to stick with Win10 as my daily driver and reserve Ubuntu for F@H.

Thank you for the help bigblock990! +Rep
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Little Green
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post #7 of 9
To switch driver, first download driver, and stop F@H, then hit ctrl + alt + f1 to enter CLI, login, then
Code:
sudo service lightdm stop
, then navigate to where driver is saved (use cd command), then
Code:
chmod +x NVIDIA-Linux-x86_64-346.59.run
, then
Code:
sudo ./NVIDIA-Linux-x86_64-346.59.run
and follow the prompts, and reboot.

If you get an error about nvidia module being in use, you have to boot into ubuntu recovery mode and use CLI to unload the module from the kernel. I can do step by step for that if needed. As long as you answered yes to all the prompts when installing 352.41 you shouldn't run into this issue.
Edited by bigblock990 - 9/29/15 at 5:18am
post #8 of 9
Thread Starter 
Sweet! I kinda screwed up removing and installing the old driver lol... Linux would hang on startup, so I reinstalled because nothing was really on the drive. Tried installing the 346.59 driver, but the install chose the 346.96 driver... Thought I had botched it again, but my system is crunching out over 520k ppd now at stock clocks!

970: 400k
660 Ti: 100k
4820k smp6: 25k

Thank you once again bigblock990! I think next foldathon I can hit 1M points! Now how would I go about overclocking with my current driver?
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Little Green
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post #9 of 9
Just follow this GUIDE its the last spoiler.

You will have to open a terminal, and type
Code:
sudo gedit /etc/X11/xorg.conf
Note that my default xorg.conf did not have Bus ID listed, and you have to have that for it to work. This info is listed in x server settings for each card.
Edited by bigblock990 - 9/29/15 at 5:16am
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