[mythtv-users] Anybody having trouble with nvidia-legacy-340xx-driver?

[Jay Foster]

On 8/5/2019 10:47 AM, Dan Wilga wrote:
> On 8/5/19 1:04 PM, Mike Perkins wrote:
>> I have just successfully upgraded my systems from 29 to 30, going 
>> from Debian Stretch to Buster and using the deb-multimedia repo.
>>
>> Somebody changed the name of tv_grab_sd_json to tv_grab_zz_sdjson 
>> while I wasn't looking, but that was almost the only problem I had 
>> with the back end.
>>
>> The front end was another matter. My setup is an ION AT510NT-I box, 
>> old now but it still does what we need it to. It had a plain Stretch 
>> install with lightdm and openbox on top of it, autostarting 
>> mythtv-frontend. I replicated this with Buster, but left it with the 
>> nouveau driver since that seemed to have improved over recent releases.
>>
>> The nouveau driver works - up to a point, until there is a lot of 
>> movement on the screen and then it drops frames. There are also 
>> firmware files missing. So, go through the nvidia loop with the 
>> nvidia-legacy-340xx-driver and everything is smooth... with one 
>> important issue: at startup, it take *two minutes* for X to start.
>>
>> I haven't been able to find out what is causing the delay. I suspect 
>> that it is some obscure systemd timeout, but there is nothing, nada, 
>> zilch in the logs.
>>
>> I wondered if anyone else had seen this, and if there is a known 
>> problem and, hopefully, a solution (that doesn't involve buying a 
>> newer box!).
>
> FWIW, I just recently upgraded all of my frontends to the latest 
> CentOS, and do not have a lag like this. This includes three ION 
> boxes, with which I use the 340xx drivers.
>
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Perhaps you need to disable wayland?  I had problems in the past where 
xorg and wayland do not play nice together.
Jay