[mythtv-users] Video quality on 0.28 worse than it was on 0.21

[Mike Holden]

On 24 August 2018 at 15:31, Mike Holden <mikeholden99+mythtv at gmail.com>
wrote:

> Yes, you need to disable nouveau so that the nvidia driver can load at
> boot time.
>
>
> On 24 August 2018 at 15:17, glen <glenb at glenb.us> wrote:
>
>> On Thu, 2018-08-23 at 21:54 -0700, Allen Edwards wrote:
>>
>> I don't think the nvidia drivers are getting loaded and I can't figure
>> out how to get them used.  I uninstalled them and installed them using the
>> Other Drivers section and still I get this:
>>
>> *allen at MythNew:~$ lsmod | grep video*
>> *video                  40960  1 nouveau*
>> *allen at MythNew:~$ lsmod | grep nvidia*
>> *allen at MythNew:~$*
>> allen at MythNew:~$ lsmod | grep NVIDIA
>> allen at MythNew:~$
>>
>> maybe disable nouveau in /etc/modprobe.d . i think if your nvidia was installed correctly you would have a
>>
>> conf in that directory that blacklists the nouveau driver. i would also check /lib/modules/ to see if there is even an
>>
>> nvidia.ko module there. my guess is that your nvidia package is not installing. try a sudo modprobe nvidia and see what the
>>
>> result is.
>>
>>
Oops, that posted before I intended :-(

Apologies for the top-post as well, I hadn't finished writing my reply.

Check out the MythTV Wiki page for Nvidia, which has specific instructions
for Ubuntu. No idea how accurate they are, as Ubuntu isn't something I do.

>From going through this on Fedora, you need to blacklist the nouveau
module, add a kernel parameter in your boot config (grub/grub2) to
blacklist the driver, and then load the nvidia driver after boot completes.
I assume Ubuntu is ultimately the same, but possibly achieved via slightly
different mechanisms.

https://www.mythtv.org/wiki/NVidiaProprietaryDriver
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