[mythtv-users] nvidia driver woes

[John Finlay]

On 9/20/2013 10:51 AM, Patrick Ouellette wrote:
> On Fri, Sep 20, 2013 at 10:43:53AM -0700, John Finlay wrote:
>>> 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.
>>>
>> Yes and I also disabled TV out in the BIOS. I'm giving up on this
>> and buying an add in card in the hope that that will be properly
>> handled by mythbuntu.
>>
> Check to be sure you don't have multiple versions of the NVIDIA kernel module
> hanging around.  If there is a version mismatch between what the module is and
> the X drivers expect you can see strange things like this.
>
> Pat
>
I did see this during one of my iterations of changing drivers but in 
the latest version I installed with the nouveau driver and then 
installed nvidia-304 using mythbuntu-control-center to avoid any 
intermediate nvidia drivers but to no avail.

John