Re: Psychedelic GUI after stable update to buster

[hobie@rumormillnews.com]

>> >>>
>> >> Whoa!  I tried to take screenshots so folks could see what I've
>> >> been trying to describe. Shot of normal screen turns out as
>> >> expected.  Shot of
>> >> psychedelic screen turns out ... identical to shot of normal
>> >> screen!!! In
>> >> other words, what's present in graphic memory space is not the
>> >> same as what's being transmitted to my display/monitor,
>> >> sometimes.  Where's Rod Serling when we need him...? :)
>> >>
>> >>
>> > What display/monitor do you use? Do you connect it using HDMI cable?
>> > I remember another list user was asking same question with identical
>> > symptoms sometime ago.
>> >
>> > --
>> > With kindest regards, Alexander.
>> >
>> Thanks -- the brand is AOC, connected via VGA cable, there's a DVI
>> port on the card but no HDMI one.  (If I plug an HDMI converter in
>> via USB, would that work?)
>>
>
> It should, but the DVI from a computer ought to work into an HDMI
> monitor, though of course it needs an adaptor plug. I've done that
> before.
>
> This sounds like a graphics driver problem, so the DVI may also be
> affected, but maybe not. The colour encoding is very different from VGA.
>
> --
> Joe

I found a DVI cable - turns out the display / monitor has a DVI connection
but not an HDMI one - and hooked it up.  Again, no joy - so I guess we've
narrowed the problem down to the driver...?