On 08/02/15 05:09, S.Tindall wrote: > On Sat, 2015-02-07 at 23:06 -0500, Mark LaPierre wrote: >> Hey all, >> >> On my X86-64 CentOS 6.6 machine I just ran yum update. In the update >> was an upgrade from the 340.XX Nvidia package to the 346.XX package. >> Hrmmm? I'm thinking this is not a good idea but, since this is just a >> test system any way, I let it run. Sure enough I was right. Dmesg says >> that my video is supported by the 340.XX driver, not the 346.XX driver. >> It's not happy cause it can't find a supported GPU. >> >> 1. So, having only a command line interface, how do I tell yum to rip >> out the 346.XX package and reinstall the 340.XX package? >> >> 2. How do I tell yum not to do such stupid stuff again? > > Assuming you mean that you just updated the kmod-nvidia package, then > follow the instructions at the top of this page. > > http://elrepo.org/tiki/kmod-nvidia > > It happened to me, too. Easy fix. :-) > > Steve > Yes, just to reiterate: yum erase kmod-nvidia yum install kmod-nvidia-340xx reboot You will then be on the correct driver branch and will get the appropriate driver updates going forwards, no changes to yum necessary.