Ubuntu

xserver-xorg-video-openchrome: Unity is slow with display glitches

Reported by Bartosz Kosiorek on 2012-02-06
14
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Unity
Medium
Unassigned
unity (Ubuntu)
Medium
Unassigned

Bug Description

After installation Ubuntu 12.04 Precise on VIA architecture (xserver-xorg-video-openchrome driver, without DRI support and software rendering - "swrast"), the default Shell interface is Unity. It is works terribly slow, and there is display glitches (windows do not disappear, and shadow is staying on desktop).

On the same machine with Ubuntu 11.10, the default SHell interface was Unity-2d (unity is not work at all).

Workaround:
Till the new xserver-xorg-video-openchrome driver is released (or unity will be fixed), I suggest to make Unity-2d, default shell interface for xserver-xorg-video-openchrome drivers.

description: updated
Bilal Akhtar (bilalakhtar) wrote :

I suggest you file a new bug with xserver-xorg-video-openchrome detailing the issues you have with the driver, since those performance issues with Unity are actually driver related.

In the meantime, I'll mark this bug appropriately for the openchrome driver to be added to the Unity-3D driver blacklist.

summary: - Unity is not working correclty with VIA drivers (xserver-xorg-video-
- openchrome) in Ubuntu 12.04 Precise
+ Please blacklist xserver-xorg-video-openchrome driver
summary: - Please blacklist xserver-xorg-video-openchrome driver
+ Please blacklist xserver-xorg-video-openchrome driver on Precise
Changed in unity:
status: New → Confirmed
importance: Undecided → High
Changed in unity (Ubuntu):
importance: Undecided → High
status: New → Confirmed

Bilal, no it's the unity blacklist failing again, it should not run 3d if the host is using swrast/llvmpipe.

Omer Akram (om26er) on 2012-07-09
Changed in unity (Ubuntu):
importance: High → Medium
Changed in unity:
importance: High → Medium
Daniel van Vugt (vanvugt) wrote :

I suspect this might be an issue I reported myself in bug 1021104 (which has a workaround).

However to confirm they're the same bug, please:
    1. Install package mesa-utils
    2. Run: glxinfo | grep OpenGL
And paste the output into this bug.

summary: - Please blacklist xserver-xorg-video-openchrome driver on Precise
+ xserver-xorg-video-openchrome: Unity is slow with display glitches
Changed in unity:
status: Confirmed → Incomplete
Changed in unity (Ubuntu):
status: Confirmed → Incomplete
Launchpad Janitor (janitor) wrote :

[Expired for Unity because there has been no activity for 60 days.]

Changed in unity:
status: Incomplete → Expired
Launchpad Janitor (janitor) wrote :

[Expired for unity (Ubuntu) because there has been no activity for 60 days.]

Changed in unity (Ubuntu):
status: Incomplete → Expired
Bartosz Kosiorek (gang65) wrote :

Here is tghe output from glxinfo:

a@a:~$ glxinfo |grep OpenGL
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 0x300)
OpenGL version string: 2.1 Mesa 8.0.2
OpenGL shading language version string: 1.20
OpenGL extensions:

Changed in unity (Ubuntu):
status: Expired → Confirmed
Changed in unity:
status: Expired → Confirmed
Daniel van Vugt (vanvugt) wrote :

Thanks. The "glitches" problem is bug 1021104. And the slowness is expected using llvmpipe.

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