On Thu, 11 Aug 2016 17:33:09 -0400 Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> wrote: > I don't really know how to categorize this, so let me explain. This > started a while back on my F22 system and is continuing on the F24 > system. > > What I switch workspaces I often get a screen that looks something > like a desktop snapshot. It goes away when I move the mouse, kind of > block by block. An <alt-tab> to a different app on the switched-to > workspace causes a complete repaint of the proper app and an > <alt-tab> takes me back. > > This has been a pain for some time. > > Then I noticed that if Firefox was busy on one workspace, the one I > was on would switch to this fake screenshot. I would try and get > back the active screen, but the screenshot keeps coming back until > Firefox is done doing whatever it is doing (like reporting the > progress of a file download). > > Firefox seems to be really tied into this. But what might be the > problem and how do I report this as a bug. My weak search foo has > not found any thing reported like this. > > Guidance on resolving/reporting this is greatly appreciated. Can you look at xfwm4-tweaks-settings -> Compositing and see if enabling that "fixes" the issue? Or if it's enabled, you could try disabling it. It seems like a compositor related bug to me. kevin
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