Am 23.04.2011 02:42, schrieb gene heskett: > 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.
If you are using Ubuntu, it's logfile probably is /var/log/xorg.0.log (notice the lower case 'x') > >> 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. > > I did some digging in the xorg.conf options list and found this: Option "NoFlip" "boolean" The description matches what EnablePageFlip does, except it's reverted, which means setting "boolean" to "true" should turn off page flipping. See if that makes a difference. _______________________________________________ [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]
