[mythtv-users] Video card hell. Need help.

James Crow crow.jamesm at gmail.com
Mon Sep 13 14:34:31 UTC 2010


On Mon, Sep 13, 2010 at 9:19 AM, Mark Small <msmall at eastlink.ca> wrote:
> On September 13, 2010 00:31:44 Dan Smith wrote:
>> On Sun, Sep 12, 2010 at 7:11 PM, Craig Huff <huffcslists at gmail.com> wrote:
>> > Sorry, didn't notice until after I hit send this wasn't going to the
>> > list.
>> >
>> > You're right.  I don't think I mentioned my distro.  I'm running
>> > MythBuntu 10.04.
>> >
>> > The driver is the latest package (which was installed with MythBuntu).
>> >  I've tried reinstalling, but that didn't change anything.
>> >
>> > Another update item:  It seems I'm trying to solve two problems.  The
>> > problem about drm failing to open a device appears to be a common
>> > failing if nouveau driver components get out of sync.  Not what I
>> > really want to solve anyway.
>> >
>> > For some reason, when I specify the nvidia driver in xorg.conf, even
>> > one built using nvidia-xconfig, any attempt to boot will lock up even
>> > before any log file entries get posted to /var/log/*.  I have to pull
>> > out a live CD linux image to get into the disk.  I'm getting real
>> > tired of having to resort to the MythBuntu 10.04 live/install CD (and
>> > often even going back to the MythBuntu 9.04 live/install CD since the
>> > 10.04 has a bad habit of trying to display standard VGA modes to the
>> > TV-Out and ignore the connected VGA monitor).
>> >
>> > I'm just about ready to pitch out this practically new motherboard and
>> > go back to Newegg and try again.  And, no, if I do, I A) wouldn't wish
>> > this motherboard on anyone else and B) at least want the satisfaction
>> > of ***DESTROYING*** it myself.  I'm that frustrated.  Especially since
>> > I A) had it working with a GeForce 8400 (albeit with jerky video play)
>> > and B) momentarily had it working about eight hours ago until I
>> > rebooted.
>> >
>> > Sigh.  Ain't linux wonderful?
>> >
>> > Craig.
>> > _______________________________________________
>> > mythtv-users mailing list
>> > mythtv-users at mythtv.org
>> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>> Did you install the nvidia driver with Hardware drivers (aka jockey-gtk)?
>> You said you used nvidia-xconfig so you must have at least part of the
>> nvidia driver installed but getting nouveau errors is odd. I'd stick with
>> the 8400gs once you get the driver issues sorted, it has VDPAU and even the
>> pci varient works well for smooth HD playback (well there are two revisions
>> with the same model name and the old one doesn't work).
>
>
> I had problems on my Debian testing system after a kernel update that added
> the nouveau kernel drivers.  The solution was to blacklist the nouveau
> driver.
>
> Mark
>

You may have already tried, but I would disable the onboard video
device. To blacklist a driver in Mythbuntu edit the
/etc/modprobe.d/blacklist.conf file. Add a line like:
blacklist <driver>

I don't have the nouveau driver installed, but I think the driver name
is simply nouveau. So the entire line would be:
blacklist nouveau

Cheers,
James


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