On Tue, Oct 31, 2017 at 06:16:58PM +1030, Tim wrote: > 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: > > http://imgbox.com/TqED2C76 > > 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 > this division. > > 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 > may be). > > 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? Your problem seems similar to what I experienced early on with F26. I normally run Mate and Compiz. In my case the culprit seemed to be Compiz. If I selected a different window manager the problem did not exist. A Compiz update or 2 later eliminated the problem for me. Jon -- Jon H. LaBadie jonfu@xxxxxxxxxx _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
