[Expired for xserver-xorg-video-ati (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/583676
Title:
Resume with two displays gives scrambled pixels on only one display
Status in “xserver-xorg-video-ati” package in Ubuntu:
Expired
Bug description:
Binary package hint: xserver-xorg-video-ati
I use two monitor connected via DVI. After suspend to ram and resume,
the picture on only one display gets scrambled and unusable.
Some Facts:
- Everthing runs as expected, but the left display show a picture looking
like every fourth pixel is displayed, and the ones in between have the values
of their neighbor. The picture is updated and flickerfree. I can attach a foto
if it helps..
- Taking a screenshot gives a normal picture.
- Disabling KMS by passing radeon.modeset=0 to the kernel solves the
problem. I attach 2 dmesg outputs of the resume sequence. Note that
with modeset=0 "[drm] Resetting GPU" is output, while with KMS it is
not.
- It occurs only if using the 2 monitors in "big desktop" mode.
- logging out an back in solves it
- fglrx (i used it until lucid) had the same issue. It was silently
fixed around version 10.2.
- Hibernation doesn't work too. It ends up in gdm after resuming.
Maybe X crashes, but thats another story.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-video-ati 1:6.13.0-1ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic x86_64
Architecture: amd64
Date: Fri May 21 09:40:46 2010
DkmsStatus:
MachineType: Dell Inc. Dell XPS420
ProcCmdLine: root=/dev/mapper/lvm_vg-root ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: xserver-xorg-video-ati
dmi.bios.date: 06/23/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: 0TP406
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA06:bd06/23/2008:svnDellInc.:pnDellXPS420:pvr:rvnDellInc.:rn0TP406:rvrA01:cvnDellInc.:ct7:cvr:
dmi.product.name: Dell XPS420
dmi.sys.vendor: Dell Inc.
system:
distro: Ubuntu
codename: lucid
architecture: x86_64
kernel: 2.6.32-22-generic
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