[CentOS] NVidia, again

Wed Mar 26 13:18:30 UTC 2014
Johnny Hughes <johnny at centos.org>

On 03/26/2014 08:14 AM, m.roth at 5-cent.us wrote:
> Johnny Hughes wrote:
>> On 03/26/2014 07:01 AM, mark wrote:
>>> On 03/26/14 03:01, Johnny Hughes wrote:
>>>> On 03/25/2014 04:36 PM, m.roth at 5-cent.us wrote:
>>>>> Got a HBS (y'know, Honkin' Big Server, one o' them technical terms), a
>>>>> Dell 720 with two Tesla GPUs. I updated the o/s, 6.5, and I cannot get
>>>>> the GPUs recognized. As a last resort, I d/l NVidia's proprietary
>>>>> driver/installer, 325, and it builds fine... I've yum removed the
>>>>> kmod-nvidia I had on the system, nouveau is blacklisted, and when I
>>>>> reboot, lsmod shows me nvidia loaded, which modinfo tells me looks
>>>>> like the one I built.... but enum_gpu, which is from a CUDA group,
>>>>> builds... but can't enumerate the GPUs (how we wake them up for the
> users). I
>>>>> see the /dev/nvidia*, and they're a+r, a+w.... Oh, and selinux is
>>>>> permissive.
>>>>> Anyone got a clue? If I can't get this working, I'm going to have to
>>>>> downgrade the system several kernels.
>>>> Do you have an /etc/X11/xorg.conf file or something in
>>>> /etc/X11/xorg.conf.d/ that actually name nvidia and not nv as the
>>>> driver?
>>> Nope - nothing there.
>> When you run the ./NVIDIA<version> command to build the driver, one of
>> the last steps is to have it "automatically update your configuration
>> file" .. select yes for that and it should create an xorg.conf file that
>> will use the nvidia driver.
> a) I didn't have that before - did kmod-nvidia handle loading the correct
> one *without* an
>     xorg.conf?
> b) Do you think it'll do the right thing - this *is* a headless server.
> And a general question: what *does* kmod-nvidia do - is it different than,
> say, setting up a flag, or a script to notice that you're booting a new
> kernel, and run the proprietary installer -a -s?

Are you connecting to the server to do X related things remotely ... and
therefore need NVIDIA drivers for that?

I'll let one of the elrepo guys explain their RPM.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: OpenPGP digital signature
URL: <http://lists.centos.org/pipermail/centos/attachments/20140326/f4f25795/attachment-0005.sig>