On 27/09/17 07:56, Sorin Srbu wrote: >> -----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. > The kmod-nvidia-340xx-340.102-4.el7_4.elrepo.x86_64.rpm driver should work for your card on el7.4. All previous releases in elrepo were for el7.3 (and earlier) and are not compatible with the el7.4 series kernel.