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? mark