Help me with GTX 480 & nouveau, please!

Kollin · Last edited by Kollin on Sat Sep 20, 2014 5:13 pm; edited 1 time in total

Hello,
I recently upgraded my system with gtx 480. I'm using nouveau (compiled in kernel with kms and msi enabled in grub.cfg) and i want to keep it that way.

Roman_Gruber · Posted: Sat Sep 20, 2014 4:05 pm Post subject:

Please add the word noveau to your title of this topic, thanks

off topic: i am pretty sure your hardware runs with nvidia-drivers, but i never hassled with open source as the features are limited as i checked a year ago.

NeddySeagoon · Posted: Sat Sep 20, 2014 4:25 pm Post subject:

Kollin,

Kollin · Posted: Sat Sep 20, 2014 4:41 pm Post subject:

Kollin · Posted: Sat Sep 20, 2014 4:52 pm Post subject:

lsmod

Roman_Gruber · Posted: Sat Sep 20, 2014 7:15 pm Post subject:

do you have video cars set in your /etc/make.conf to noveau and removed nvidia there?
eselect set to nouveau too?

NeddySeagoon · Posted: Sat Sep 20, 2014 7:54 pm Post subject:

Kollin,

Sorry for missing your link.
That all looks good. Xorg is using nouveau and nvidia is not listed in lsmod.

-- Edit --

Hmm dmesg is not so good.

Kollin · Posted: Sun Sep 21, 2014 6:32 am Post subject:

And now, after running for a while, dmesg is full of those errors:

NeddySeagoon · Posted: Sun Sep 21, 2014 10:54 am Post subject:

Kollin,

Maybe that is related to your kernel issue above. Rebuild your kernel without the NO_HZ FULL option.
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i92guboj · Posted: Sun Sep 21, 2014 10:54 am Post subject:

Nouveau is not only buggy but also a changing target.

So, I highly suggest you to report this to either the nouveau mailing lists. It could be both a kernel bug and / or a bug in the drivers. In my experience, also, half of the bugs go away if you USE="-vdpau" and recompile everything that needs to be recompiled, but that might not apply to you, I don't know.

That, of course, means your cpu will be busier.

Also, there's no need to be *that* paranoid about nvidia being installed alongside. They both can perfectly coexist, you just need to blacklist either module, and make sure that xorg.conf and eselect opengl matches with whatever module you are using at the moment. Nothing else.

Roman_Gruber · Posted: Sun Sep 21, 2014 12:02 pm Post subject:

Hi, how do you blacklist a module?

i92guboj · Posted: Sun Sep 21, 2014 1:19 pm Post subject:

You just put lines like this in /etc/modprobe.d

Kollin · Posted: Tue Sep 23, 2014 8:48 am Post subject:

i92guboj · Posted: Tue Sep 23, 2014 8:55 am Post subject:

Ugh, seen that before.

It's hard to say if it's quirky hardware or a problem with the drivers. I'd say probably a combination of both, this is to be expected from time to time with nVidia cards in Linux unfortunately, and there's not much you can do about it, other than trying different kernels and driver versions and hope that any arbitrary combo will work for the time being.

That is, unless someone who knows better has another idea :cry:

Kollin · Posted: Tue Sep 23, 2014 11:42 am Post subject:

Thank you!
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Anon-E-moose · Posted: Tue Sep 23, 2014 11:50 am Post subject:

If you google that "yeild" message, you'll see lots of people having problems.
In some cases it was hardware, but in other cases it seems to have been the drivers or some interaction between drivers and kernel.
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