[CentOS] NVidia, again

Wed Mar 26 12:58:51 UTC 2014
Johnny Hughes <johnny at centos.org>

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.

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