Since updating to Fedora 26, I get a strange screen tearing effect on
any moving image (scrolling webpages, watching live video, anything
that moves). The effect is unnoticeable on static displayes. The
effect is like this diagram:
There's a portion at the top of the screen related to one moment in
time, with a dividing line going across the screen, related to another
moment. The really strange thing is that there's a diagonal portion to
The division slowly rolls down the screen, so it can be seen that the
screen refresh rate is different from the source material (whatever it
According to driconf, which offers options I know nothing about, and
offers nothing I see related to setting any vertical sync options, the
graphics set is using: NV98 (nouveau)
The display configurator (I'm using Mate) gives me 60 or 75 Hz refresh
rates, and they will change the rate that the dividing line rolls down
the screen, but not eliminate it.
I'm using a LCD screen connected through a DVI cable (both ends, no
conversions). Mate's display configurator says its DVI-I
How can I get rid of this?
[tim@localhost ~]$ uname -rsvp
Linux 4.13.5-200.fc26.x86_64 #1 SMP Thu Oct 5 16:53:13 UTC 2017 x86_64
Boilerplate: All mail to my mailbox is automatically deleted.
There is no point trying to privately email me, I only get to see
the messages posted to the mailing list.
Using Windows software is like coating all your handtools with sewage.