** Changed in: xserver-xorg-video-intel
Importance: Unknown = Medium
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https://bugs.launchpad.net/bugs/391084
Title:
[i855] screen corruption when switching resolution
--
** Changed in: xserver-xorg-video-intel
Importance: Medium = Unknown
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https://bugs.launchpad.net/bugs/391084
Title:
[i855] screen corruption when switching resolution
--
According to the upstream bug, this was actually a kernel issue, solved
in the 2.6.31-rc5 release, which we include in Karmic now. Feel free to
reopen if you still find it to be a problem.
** Bug watch added: freedesktop.org Bugzilla #23016
https://bugs.freedesktop.org/show_bug.cgi?id=23016
** Changed in: xserver-xorg-video-intel
Status: Unknown = Invalid
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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ubuntu-bugs
Upstream has asked for some further information - please follow up on
the upstream bug.
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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Hi Jonas,
I've forwarded your bug upstream to
https://bugs.freedesktop.org/show_bug.cgi?id=22976 - please subscribe to
this report in case upstream needs further information or wishes you to
test something. Thanks ahead of time!
** Bug watch added: freedesktop.org Bugzilla #22976
** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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ubuntu-bugs
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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Hi Jonas, what you've tested is sufficient, but please also attach a
fresh Xorg.0.log and Xorg.0.log.old from after reproducing the issue.
We just uploaded a new version of the driver today with a lot of fixes,
so if you can update to the latest Karmic before reproducing the issue,
that would be
Hi,
Until now I have only tested on Karmic with the Alpha2 live-CD.
Today I upgraded my laptop to Karmic and updated to all the newest
packages.
After the upgrade the resolution of the external display changed back to
1024x768. (I had it working at 1280x1024).
Changing the resolution with
** Attachment added: Xorg.0.log.old
http://launchpadlibrarian.net/28875707/Xorg.0.log.old
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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After restoring xorg.conf to default (removing virtual resolution),
X-Server / GDM works again.
Now changing resolution of the external display works without problems, even
with
System - Preferences - Appearance - Visual Effects: normal.
But the other problem remains, that xrandr does not work
** Attachment added: Xorg.0.log.old
http://launchpadlibrarian.net/28876803/Xorg.0.log.old
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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I tested all four changes in Jaunty:
1. Visual effects: none = solves the problem
2. NoAccel: true = solves the problem
3. Tiling: false = does not help
4. DRI: false = solves the problem
With the Karmic Alpha-2 live CD I only tested the first change:
1. Visual effects: none = solves the
** Tags added: 855gm corruption jaunty karmic
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[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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To get an idea where in the code the problem is, could you try disabling a few
things (only one at a time) to see if it makes the problem go away:
- System - Preferences - Appearance - Visual Effects: Set to none
- In xorg.conf Device section, one of the following lines at a time:
Option
Thanks for testing
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Medium
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
You received
I repeated the same test with the Karmic Alpha-2 live CD and got the
same result, still corrupted display when switching to 1280x1024
resolution.
** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/28481888/Xorg.0.log
--
[i855] screen corruption when switching resolution
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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ubuntu-bugs
[This is an automatic notification.]
A new major version of the -intel driver is now available in Karmic.
This version includes a major reworking of the acceleration
architecture, which resolves a huge number of issues. We do not know
whether it resolves the issue you reported.
Would you mind
** Attachment added: lspci.txt
http://launchpadlibrarian.net/28245084/lspci.txt
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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** Attachment added: xrandr.txt
http://launchpadlibrarian.net/28245085/xrandr.txt
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/28245101/Xorg.0.log
--
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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** Attachment added: xorg.conf
http://launchpadlibrarian.net/28245106/xorg.conf
** Description changed:
Binary package hint: xserver-xorg-video-intel
Screen corruption on xrandr --output VGA --mode 1280x1024.
This happens on i855GM in Jaunty.
The highest resolution on the
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