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Created attachment 481604 [details] Screenshot of a Terminal showing the problem Description of problem: See the attached screenshot of a Terminal window. I opened 2 of them, which landed on top of each other. Note that the top menu bar of Terminal is whited out. Sometimes firefox has shown similar pieces of background/random decorations, but Terminal seems to be most prone to this. Version-Release number of selected component (if applicable): xfce4-session-4.8.1-2.fc16.x86_64 Terminal-0.4.6-3.fc15.x86_64 How reproducible: At random, not often. Steps to Reproduce: 1. Open a window 2. 3. Actual results: Sometimes parts of the background "show through", and move with the window. In the above case, running "clear" in the Terminal fixed this for the text area. Expected results: Additional info:
Looks like video corruption of some kind. What video card/driver are you using there?
(In reply to comment #1) > Looks like video corruption of some kind. > > What video card/driver are you using there? 01:00.0 VGA compatible controller: nVidia Corporation GT218 [GeForce 310M] (rev a2) xorg-x11-drv-nouveau-0.0.16-20.20110224gitbc5dec2.fc16.x86_64 (recently updated to xorg-x11-drv-nouveau-0.0.16-21.20110224gitbc5dec2.fc16.x86_64) Hasn't happened again...
It's only happened once? I guess we could move this over to nouveau component and see if they have any ideas. Or just close it until it happens again? I don't think it's a xfce4-session issue... more likely a odd video driver corruption.
(In reply to comment #3) > It's only happened once? No, it has happened a couple of times, say each two days or so. Just this time it was particularly noticeable and I happened to grab a screenshot. > I guess we could move this over to nouveau component and see if they have any > ideas. I suppose so. I'm now running Gnome (fallback), and at a point a similar glitch (much smaller, in any case) happened here. > Or just close it until it happens again? I thought the last round of xorg updates had fixed it, but no. > I don't think it's a xfce4-session issue... more likely a odd video driver > corruption. In view that it happened in Gnome too, you are most probably right. xorg-x11-server-Xorg-1.10.0-1.fc16.x86_64 xorg-x11-drv-nouveau-0.0.16-21.20110224gitbc5dec2.fc16.x86_64
Just saw two short-lived glitches while scrolling in Firefox
As part of trying to figure out what is hanging X for me (bug 684907) I disabled the intel_ips kernel module, and I haven't seen any such glitches since.
I haven't seen any glitches for some time now.