[i965] Intel GM965/GL960 regression in Jaunty RC

Bug #363410 reported by Amr Hassan

This bug report was converted into a question: question #79434: [i965] Intel GM965/GL960 regression in Jaunty RC.

This bug affects 4 people
Affects Status Importance Assigned to Milestone
xserver-xorg-video-intel (Ubuntu)
Nominated for Jaunty by Jonathan

Bug Description

I was a very happy intrepid user, everything was working out-of-the-box.

After installing Jaunty RC last night, I noticed that the performance with compiz effects is a bit sluggish.
After installing the new updates this morning, I found out that compiz blacklisted my graphics card and I lost my compositing.

For the performance issue, I had to install xserver-xorg-video-intel-2.4, and for restoring my compositing I had to skip compiz's blacklist check and then reloading the window manager twice after each reboot from fusion-icon to get my compiz effects and compositing back.

Adding Option "AccelMethod" "UXA" to my xorg.conf made the graphics unstable, and Option "MigrationHeuristic" "greedy" made minor performance improvement but not as much as that I get with downgrading to driver 2.4.

I'm on a Dell Inspiron 1525 and this is my graphics card: 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)

Amr Hassan (amr-hassan)
description: updated
tags: added: graphics hardware intel intel-video jaunty regression
Revision history for this message
Jonathan Blackhall (johnny-one-eye) wrote :

They've blacklisted the card until this bug gets resolved: https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/359392/

Revision history for this message
Zack Evans (zevans23) wrote :

See https://bugs.launchpad.net/ubuntu/+bug/363540 for a workaround if you want compiz and you're not suffering from the bugs.

Adil Arif (adisari06)
affects: ubuntu → xserver-xorg-video-intel (Ubuntu)
Revision history for this message
Bryce Harrington (bryce) wrote :

Hi amr-hassan,

Please attach the output of `lspci -vvnn`, and attach your /var/log/Xorg.0.log (and maybe Xorg.0.log.old) file from after reproducing this issue. If you've made any customizations to your /etc/X11/xorg.conf please attach that as well.

[This is an automated message. Apologies if it has reached you inappropriately; please just reply to this message indicating so.]

tags: added: needs-xorglog
tags: added: needs-lspci-vvnn
Changed in xserver-xorg-video-intel (Ubuntu):
status: New → Incomplete
Bryce Harrington (bryce)
summary: - Intel GM965/GL960 regression in Jaunty RC
+ [i965] Intel GM965/GL960 regression in Jaunty RC
Hora (hbelloni)
Changed in xserver-xorg-video-intel (Ubuntu):
status: Incomplete → Invalid
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