[mythtv-users] nvidia driver woes

[Joseph Fry]

On Wed, Sep 18, 2013 at 11:31 PM, John Finlay <finlay at moeraki.com> wrote:
> I used to have an old analog tv on one of my myth frontends which drove it
> via the nvidia driver tv out (svideo). I upgraded to a new flat panel but I
> can't get x to start on the system. I finally gave up and did a new install
> of mythbuntu but as soon as I did the updates the nvidia 304 driver was
> installed and now X won't start again. It almost seems as if the nvidia card
> is stuck on tv out as it's primary connection. The xorg log errors are:
>
> [    10.004] (II) NVIDIA(0): Creating default Display subsection in Screen
> section
>         "Default Screen" for depth/fbbpp 24/32
> [    10.004] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
> [    10.004] (==) NVIDIA(0): RGB weight 888
> [    10.004] (==) NVIDIA(0): Default visual is TrueColor
> [    10.004] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
> [    10.004] (**) NVIDIA(0): Option "NoLogo" "True"
> [    10.004] (**) NVIDIA(0): Option "DPI" "100x100"
> [    10.004] (**) NVIDIA(0): Enabling RENDER acceleration
> [    10.213] (EE) NVIDIA(0): Failed to initialize the NVIDIA kernel module!
> Please ensure
> [    10.213] (EE) NVIDIA(0):     that there is a supported NVIDIA GPU in
> this system, and
> [    10.213] (EE) NVIDIA(0):     that the NVIDIA device files have been
> created properly.
> [    10.213] (EE) NVIDIA(0):     Please consult the NVIDIA README for
> details.
> [    10.213] (EE) NVIDIA(0):  *** Aborting ***
> [    10.213] (II) UnloadModule: "nvidia"
> [    10.213] (II) Unloading nvidia
> [    10.213] (II) UnloadModule: "wfb"
> [    10.213] (II) Unloading wfb
> [    10.213] (II) UnloadModule: "fb"
> [    10.213] (II) Unloading fb
> [    10.213] (EE) Screen(s) found, but none have a usable configuration.
> [    10.213]
>
>
> If I switch to an alternate tty and manually startx all seems to go
> correctly. Before using this same system with the analog tv I used it with
> the same flat panel without a problem. I speculate that when I started to
> use tv out something was changed that now prevents proper use with tv out
> disabled. Is that possible?

You did disconnect the sVideo cable right?  IIRC, the cards will
default to sVideo if it senses the cable connected.