<p dir="ltr">On Dec 28, 2014 4:56 PM, "Saul" <<a href="mailto:jaglover@gmail.com">jaglover@gmail.com</a>> wrote:<br>
><br>
> On Sun, 28 Dec 2014 16:08:35 -0500<br>
> Larry Kennedy <<a href="mailto:lunchtimelarry@gmail.com">lunchtimelarry@gmail.com</a>> wrote:<br>
><br>
> > I'm running myth 0.26.1-296 on EL6 (2.6.32-431.el6.i686) with a GT210<br>
> > card and the nvidia 319.32 driver.<br>
> ><br>
> > About a week ago, I accidentally took an update to my Xorg server<br>
> > (now I have xorg-x11-server-Xorg-1.15.0-25.el6.centos.i686), and<br>
> > after that I started getting a driver mismatch error (ABI 15 I seem<br>
> > to recall). Anyway, I've seen this before, and I believe this means<br>
> > the nvidia 319 driver is at a lower version than is needed, so I<br>
> > figured all I need is an nvidia upgrade. If I remember right, the<br>
> > driver from atrpms was still far enough behind to cause the ABI 15<br>
> > error, so I tried kmod-nvidia from elrepo. After removing the old<br>
> > nvidia 319 driver, this update pulled in these nvidia libraries:<br>
> ><br>
> > nvidia-x11-drv-340.65-1.el6.elrepo.i686<br>
> > kmod-nvidia-340.65-1.el6.elrepo.i686<br>
> ><br>
> > There is no nvidia kmdl rpm installed now (as was the case before),<br>
> > so I am not sure if this is a problem or not. When I start the<br>
> > desktop, everything seems fine, and apps like Mozilla work, but none<br>
> > of the myth GUIs will start. I get a segmentation fault with both<br>
> > the mythfrontend and mythtv-setup. Even with --verbose, mythfrontend<br>
> > gives me nothing to work with.<br>
> ><br>
> > As a test, I also tried doing the nvidia upgrade using scrpms. With<br>
> > this upgrade, I was forced to move up to<br>
> > kernel-2.6.32-504.3.3.el6.i686, so at least I know this update is<br>
> > pulling in an nvidia-kmdl, unlike kmod. In the end, this upgrade<br>
> > attempt was less successful than the kmod upgrade in that the nvidia<br>
> > driver is never able to load, so the desktop never starts. At the<br>
> > bottom of Xorg.0.log it shows this:<br>
> ><br>
> > [ 20.723] (II) LoadModule: "nvidia"<br>
> > [ 20.723] (WW) Warning, couldn't open module nvidia<br>
> > [ 20.723] (II) UnloadModule: "nvidia"<br>
> > [ 20.723] (II) Unloading nvidia<br>
> > [ 20.723] (EE) Failed to load module "nvidia" (module does not<br>
> > exist, 0) [ 20.723] (EE) No drivers available.<br>
> > [ 20.723] (EE) Fatal server error:<br>
> > [ 20.723] (EE) no screens found(EE)<br>
> > [ 20.723] (EE) Please consult the CentOS support at<br>
> > <a href="http://wiki.centos.org/Documentation">http://wiki.centos.org/Documentation</a><br>
> ><br>
> > This seems odd since "modprobe nvidia" succeeds. I tried<br>
> > nvidia-xconfig to recreate the xorg.conf, but no go. Of course I am<br>
> > rebooting every time to get a clean start. After many attempts, it<br>
> > looks like kmod-nvidia 340.65 may be my best option.<br>
> ><br>
> > Is anyone aware of an issue with mythtv 0.26 and the nvidia 340.xx<br>
> > driver? Alternatively, if anyone has ideas on how to get the scrpms<br>
> > nvidia driver to work, I am open to trying that again too.<br>
> ><br>
> > I have options, but nothing looks good. Downgrading Xorg seems<br>
> > problematic, so I didn't go there. I suppose I could upgrade myth to<br>
> > version 0.27 and see what happens, but that presents some difficulty<br>
> > on EL6 (although I know that scrpms has compiled both myth 0.27 and<br>
> > the compatible version of Qt). It also triggers multiple myth<br>
> > upgrades for BE-FE compatibility. Another option is to go to EL7, but<br>
> > that requires a decent effort too since there is no good<br>
> > upgrade-in-place from EL6 32-bit to EL7).<br>
> ><br>
> > I apologize in advance if this post is somewhat schizophrenic. I can<br>
> > provide more details if anyone can lend a hand.<br>
><br>
> Check out if your new driver supports your card. Times of widely<br>
> advertised unified nVidia drivers are over.</p>
<p dir="ltr">It does. </p>
<p dir="ltr">><br>
> --<br>
> Cheers, Saul<br>
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