some window preview glitches on workspace switcher and expo

Bug #930122 reported by Didier Roche on 2012-02-10
14
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Compiz Core
High
Sam Spilsbury
Unity Distro Priority
High
Unassigned
compiz (Ubuntu)
High
Unassigned

Bug Description

I'm seeing some glitches when trying to switch ws on the preview window.
On the video, you can see that temporary, the windows are displayed on the new workspace and then get back to their initial place.
I see the same behavior on the expo mode, when I drag and drop a window from one workspace to another: all windows from starting workspace are displayed for 0.5s on the destination (of the drop) workspace, and then, are back on their right place.

Didier Roche (didrocks) on 2012-02-10
summary: - some window preview glitches on ws switcher and expo
+ some window preview glitches on workspace switcher and expo
Sebastien Bacher (seb128) wrote :

Confirming the issue there

Changed in compiz-core:
status: New → Confirmed
Didier Roche (didrocks) wrote :
Changed in compiz-core:
importance: Undecided → Medium
Sam Spilsbury (smspillaz) wrote :

Deferred

Changed in compiz-core:
milestone: none → 0.9.5.92
milestone: 0.9.5.92 → 0.9.7.0
assignee: nobody → Sam Spilsbury (smspillaz)
Changed in compiz-core:
importance: Medium → Low
Changed in compiz-core:
milestone: 0.9.7.0 → 0.9.7.2
importance: Low → High
Didier Roche (didrocks) on 2012-02-13
Changed in unity-distro-priority:
status: New → Confirmed
status: Confirmed → Fix Committed
importance: Undecided → High
Changed in compiz (Ubuntu):
status: New → Confirmed
importance: Undecided → High
Didier Roche (didrocks) on 2012-02-14
tags: added: compiz-ff-precise
Didier Roche (didrocks) on 2012-02-14
tags: removed: compiz-ff-precise
Didier Roche (didrocks) wrote :

setting it back to 0.9.7 a it's not released yet and seems to get quite some fans.

Changed in compiz-core:
milestone: 0.9.7.2 → 0.9.7.0
Daniel van Vugt (vanvugt) wrote :

I don't think this bug should be High or targeted for 0.9.7.0. This bug has been around for a long time (since oneiric at least) and is not new. Perhaps targeting for 0.9.7.2 is more realistic?

Changed in compiz-core:
milestone: 0.9.7.0 → 0.9.7.2
Changed in compiz-core:
importance: High → Medium
Tim Penhey (thumper) on 2012-02-20
tags: added: distro-priority
Didier Roche (didrocks) wrote :

@Daniel: this bug clearly wasn't in oneiric compiz. I tested again on the same machine, and other people in distro as well.

Changed in compiz-core:
importance: Medium → High
Daniel van Vugt (vanvugt) wrote :

It's possible, even likely, that this bug was hidden by the poor frame timing in previous versions of compiz. Now that the timing is improved (bug 880707) you get to see literally more frames than you could before. So it's more likely you will be able to observe single-frame bugs like this one, which previously would have been hidden.

It sounds like I only see this bug in oneiric because of ppa:vanvugt/compiz which contains the new frame timing code.

But I think you will find the root cause of this bug is older than oneiric. :)

Daniel van Vugt (vanvugt) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 862430, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

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