Blank screen or distorted image because of wrong default AGPMode value
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
X.Org X server |
Fix Released
|
Medium
|
|||
xserver-xorg-video-ati (Ubuntu) |
Fix Released
|
High
|
Bryce Harrington | ||
Bug Description
Binary package hint: xserver-
Since the updates a few days ago on gutsy, my screen shows horizontal tearing streaks with only the mouse pointer shown normally (see http://
Usplash is displayed normally, gdm and gnome are scrambled.
This problem was first seen on Gutsy with the upload of the 1:6.6.193-1ubuntu1 ati driver, and worked fine on Feisty and Breezy. Downgrading xserver-
[Workaround]
Disable 3D (including Desktop Effects) by adding this to your Modules section:
Section "Module"
...
Disable "dri"
EndSection
If the above does not fix the issue for you, then you are not seeing this particular bug, and should report it separately.
UPDATE:
Try setting 'Option "AGPMode" "4"' to the Device section.
Changed in xserver-xorg-video-ati: | |
importance: | Undecided → High |
Changed in xorg-server: | |
status: | Unknown → Confirmed |
Changed in xorg-server: | |
status: | Confirmed → Fix Released |
Changed in xserver-xorg-video-ati: | |
status: | Confirmed → Incomplete |
Changed in xserver-xorg-video-ati: | |
status: | Incomplete → Confirmed |
Changed in xorg-server: | |
status: | Unknown → Incomplete |
Changed in xorg-server: | |
status: | Incomplete → Confirmed |
description: | updated |
description: | updated |
description: | updated |
Changed in xserver-xorg-video-ati: | |
status: | Confirmed → Triaged |
Changed in xorg-server: | |
importance: | Unknown → Medium |
Changed in xorg-server: | |
importance: | Medium → Unknown |
status: | Confirmed → Fix Released |
Changed in xorg-server: | |
importance: | Unknown → Medium |
Many people with ATI graphics cards report the same or similar problems:
http:// ubuntuforums. org/showthread. php?t=526947 blogs.sun. com/richb/ entry/latest_ ubuntu_ gutsy_updates_ blew
http://