[Ubuntu-x-swat] [Bug 1278012] Re: tearing with vsync enabled

2014-03-19 Thread David Gnedt 
It seems the problem is caused by the backing store function of xorg. It
is disabled by default in 1.14.5 and enabled by default in 1.15.0. If I
disable it with -bs on xorg startup, I have no tearing with 1.15.0.

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Title:
  tearing with vsync enabled

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[Ubuntu-x-swat] [Bug 1278012] Re: tearing with vsync enabled

2014-02-09 Thread David Gnedt 
I am not using any compositor or desktop environment, just plain xorg
with nodm (the no display manager) and xbmc running on top.

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Title:
  tearing with vsync enabled

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[Ubuntu-x-swat] [Bug 1278012] [NEW] tearing with vsync enabled

2014-02-08 Thread David Gnedt 
Public bug reported:

I get some really bad tearing issues with my i965 card in trusty since 
xserver-xorg-core update to 2:1.15.0-1ubuntu3 and xserver-xorg-video-intel 
2:2.99.909-0ubuntu2.
I first tried downgrading xserver-xorg-video-intel to 2:2.99.907-0ubuntu2, 
which is still compatibile to xorg 1.15.0. The problem remained.
Next I tried downgrading xserver-xorg-core to 2:1.15.0-1ubuntu1. Problem 
remained.
Downgrading xserver-xorg-core to 2:1.14.5-1ubuntu4 and xserver-xorg-video-intel 
to 2:2.99.907-0ubuntu1, resolved the problem.
I expect the problem in the upstream xorg version update, as there is no 
effective change between xserver-xorg-video-intel 2:2.99.907-0ubuntu1 and 
2.99.907-0ubuntu2.

Summary:
xserver-xorg-core xserver-xorg-video-intel Status
2:1.15.0-1ubuntu3 2:2.99.909-0ubuntu2 Tearing
2:1.15.0-1ubuntu3 2:2.99.907-0ubuntu2 Tearing
2:1.15.0-1ubuntu1 2:2.99.907-0ubuntu2 Tearing
2:1.14.5-1ubuntu4 2:2.99.907-0ubuntu1 No tearing

Test environment:
System: Shuttle XH61V
CPU: Intel Pentium G2130
Output: HDMI 1920x1080 @ 24 Hz
Software: XBMC 13.0 (OpenGL, VSync enabled)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-core 2:1.15.0-1ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-8.27-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
ApportVersion: 2.13.2-0ubuntu2
Architecture: amd64
Date: Sun Feb  9 03:25:40 2014
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: xorg-server (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1278012

Title:
  tearing with vsync enabled

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