Mir

Xmir with unity7 returns horizontal tearing on nouveau

Bug #1196735 reported by Doug McMahon
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Mir
Triaged
Critical
Robert Ancell
Unity System Compositor
Triaged
Critical
Unassigned

Bug Description

On hardware where horizontal tearing has been completely eliminated, (nvidia 8400m), currently xmir brings it back. Even worse if compiz/unity are killed off.
Hopefully this will not be the case later on in 13.10 or come unity8 (no compiz

Tags: xmir
Doug McMahon (mc3man)
summary: - Xmir with unity7 returns hortizontal tearing on nouveau
+ Xmir with unity7 returns horizontal tearing on nouveau
skybon (skybon-deactivatedaccount-deactivatedaccount)
tags: added: xmir
kevin gunn (kgunn72)
Changed in unity-system-compositor:
importance: Undecided → Critical
status: New → Triaged
Changed in mir:
status: New → Triaged
importance: Undecided → Critical
assignee: nobody → Robert Ancell (robert-ancell)
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Lack of vsync with nouveau is also described in bug 1195811. I think this might be a duplicate of that.

Revision history for this message
Doug McMahon (mc3man) wrote : Re: [Bug 1196735] Re: Xmir with unity7 returns horizontal tearing on nouveau

On 7/10/2013 10:07 PM, Daniel van Vugt wrote:
> Lack of vsync with nouveau is also described in bug 1195811. I think
> this might be a duplicate of that.
>
 Sounds reasonable, time will tell.
  When that bug is fixed then I'd expect no sign of tearing here, on the
Desktop, scrolling & in videos
No reason to try Mir natively here as well established that xmir modukle
loaded = tearing in all 3, not loaded = none at all

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