On Friday, April 22, 2011 08:40:50 PM [email protected] did opine: > Am 22.04.2011 23:00, schrieb gene heskett: > > Greetings folks; > > > > I have a problem. Anytime I spend some time watching a news video on > > say fox or cnn's sites, I wind up with screen background > > contamination in my console windows of other workspaces. Bit and > > pieces show up on the bottom half of such a terminal window, remain > > stationary on the screen as the terminal window is moved about, but > > are constrained by the border when the terminal is moved, but comes > > right back as soon as the terminal windows border encompasses that > > area of the screen again. > > > > Using FF4.0 and a pclos repo supplied kernel version 2.6.38.2, on > > pclos, on a quad core phenom, 4Gb of dram, and the latest .44 version > > of the dkms installed nvidia-current driver on a 9400 series nvidia > > card. > > > > FWIW, I recall seeing that also when I switched to the vesa driver, so > > while it could be related, I am dubious. > > > > What can I do to facilitate narrowing this down? > > > > Thanks. > > I'm by no means an expert, but could you try and disable page flipping > in the xorg.conf or check if it's turned on in the first place? > > I ran into a similar looking issue with the switch to kernel 2.6.38, > which introduced KMS page flipping to my graphics card (radeon). > > Checking for page flipping: > "cat /var/log/Xorg.0.log | grep -i Pageflip" > > If it's reported as enabled, read on. :-) It is a null return.
> In your xorg.conf, put the following line in the "Device" section, > reboot and check if the issue appears. > > > Section "Device" > > Option "EnablePageFlip" "off" > > EndSection > > If turning it off helps, maybe you're also being hit by bug > https://bugs.freedesktop.org/show_bug.cgi?id=35452 > > This one is about the ati driver, though. So maybe it's unrelated. I > hope I'm being helpful. I wonder if there is a different name for it when using the nvidia driver? Thanks. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) <http://tinyurl.com/ddg5bz> <http://www.cantrip.org/gatto.html> There is much Obi-Wan did not tell you. -- Darth Vader _______________________________________________ [email protected]: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: [email protected]
