Stream and NVidia driver

Post by **scottro** » 2020/12/20 00:00:37

On a machine with an NVidia card, I migrated to Stream, following the FAQ, and it kept working. However, I then did a fresh Stream install and neither Elrepo's nor rpmfusion's versions of NVidia drivers worked. (For this particular machine, Nouveau wasn't satisfactory--I don't game on it, but it just gave bad resolution.)

I've communicated with Elrepo, and they are aware of it, I suspect rpmfusion is as well. Right now, CentOS Nvidia drivers are looking for older kernels than are used by Stream.

I didn't work very hard on a solution, just downloaded the drivers from NVidia's site. The errors made it obvious which dependencies I had to install, so I did so, and then it built. In hindsight, I should have installed dkms first, which I believe would make it unnecessary to rebuild NVidia when the kernel updates, but I only installed it after the fact.

Anyway, for those who have NVidia cards and use Stream, or do a fresh install of Stream, the drivers from NVidia's site are working.

lightman47 · Post by **lightman47** » 2020/12/20 14:14:27

Drats - I'd long forgotten about all the fun trying to keep things working after updates! I just changed two of my machines to Stream but fortunately they aren't ones I use daily. I have also installed a Ubuntu Desktop VM with which to experiment; looks like I'd better start learning.

As far as Nvidia - I've been removing it from my computers anyway. The performance increase was noticeable.

Thanks for the heads-up, though.

jlehtone · Post by **jlehtone** » 2020/12/20 21:28:53

scottro wrote: ↑
2020/12/20 00:00:37
I didn't work very hard on a solution, just downloaded the drivers from NVidia's site.

RPM's from their Yum-repo or the binary .run?

Post by **scottro** » 2020/12/20 22:23:37

Sorry, I should have been clearer. I went to NVidia's site and downloaded from there.

jlehtone · Post by **jlehtone** » 2020/12/20 22:55:57

By "repo" I did mean the http://developer.download.nvidia.com/co ... l8/x86_64/ that has CUDA (and driver).
NVidia's instructions are in https://docs.nvidia.com/datacenter/tesl ... kstart.pdf (also for CentOS Linux 8)
(No, I have not installed from there, not even for CentOS Linux, except the CUDA for CentOS 7.)

Post by **scottro** » 2020/12/20 23:40:15

I went to their site where one goes to download drivers, https://www.nvidia.com/Download/index.aspx and got a driver for my GT710 card, choosing long lived. This downloads a script that runs the install. I didn't pay that much attention to it, to be honest, just watched for errors.

mprater · Post by **mprater** » 2021/01/13 13:18:00

I'm using a kmod-nvidia from elrepo-testing on a CentOS 8 Linux machine: https://elrepo.org/bugs/view.php?id=1061

It contains the 455.45.01 nvidia driver. Works perfectly!

My question now is, how does/will this kmod work with CentOS 8 Stream?

Post by **TrevorH** » 2021/01/13 14:15:41

It doesn't. Stream uses an unreleased upstream RHEL kernel and the KABI is not stable. ELRepo kmods will not work with it (or only in the brief period where the Stream kernel matches the current RHEL point release one).

mprater · Post by **mprater** » 2021/01/13 15:20:31

Right, thanks Trevor. That's what I suspected, but wanted confirmation.

These sorts of issues seem to be intentionally 'overlooked' by the proponents of CentOS Stream.

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