> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Phil Perry > Sent: den 26 september 2017 21:46 > To: centos at centos.org > Subject: Re: [CentOS] Semi-OT: hardware: NVidia proprietary driver, C7.4 > > On 26/09/17 18:40, m.roth at 5-cent.us wrote: > > This is really frustrating. I've got a server with two K20c Tesla cards. I > > need to use the proprietary drivers to use the CUDA toolkit. Btw, I had no > > trouble at all with building for CentOS 7.3 > > > > I have what NVidia claims is the correct driver package, a 340 series. It > > appears to build, but then fails to load. The only error I see is "no such > > device", which makes no sense to me, esp. since it says nothing whatever > > else. > > > > I've gone through the install log, and there are a bunch of Note:, and > > warnings, but the later I think are all about comparing signed and > > unsigned integers. > > > > And lsmod shows no nvidia drivers registered, but the logs claims that > > Error: Driver 'nvidia' is already registered, aborting... > > > > Anyone got any ideas? > > > > mark > > > > You don't say which version of the 340 series driver you have tried. > > There was a bug with recent legacy releases that affected el7.4 kernels. > We (elrepo) patched the driver to fix that on rhel7.4 releases. I'm not > sure but it _may_ have been fixed in the 340.104 driver released last > week - I've not bothered building it as the changelog only mentions > "Improved compatibility with recent Linux kernels" which we > patched/fixed in our the previous release and other issues which don't > affect kmods on RHEL. > > So it sounds like a known issue which has already been fixed. If you > don't want to use our packages, maybe take a look at the patch and try > applying it to your build. Tested 340.76, 340.102, 340.104 (elrepo and proprietary). No luck over here with a GTX260 and the 64b-drivers. Will test some more, if still no luck, I'll just reinstall from scratch. -- //Sorin