[Bug 23322] New: Small resolution video tearing problem with open source radeon drivers

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Aug 14 19:18:49 PDT 2009


           Summary: Small resolution video tearing problem  with open source
                    radeon drivers
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: janhouse at gmail.com
         QAContact: xorg-team at lists.x.org

Created an attachment (id=28642)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=28642)

I get some sort of screen tearing for small resolution videos (dvdrip etc.)
when watching them in maximized or fullscreen mode. (As if there would be
problem with resizing video up.)
Bug looks like lines tearing video in places where fast color changes happen
(watching action movies is allmost impossible)
Here you can see how it looks: http://www.youtube.com/watch?v=wdaXRo17lv4

The weird part is that I don't get this problem when watching dvd movies or HD
video (720p and up).
Users from irc suggested that it was problem with codec, so I converted video
to theora but the problem stayed. (Same video on my other computer plays just

I am using Ubuntu Jaunty with xserver-xorg-video-radeon drivers from
xorg-edgers ppa. At the moment version

I am running video in Xv mode (guys in #radeon irc channel suggested to do this
to reduce CPU usage and lags).

My laptop has "01:05.0 VGA compatible controller: ATI Technologies Inc RS690M
[Radeon X1200 Series]"

Linux 2.6.30-02063004-generic

Xorg.conf - http://pastebin.com/m4c37d00c

Xorg.0.log is attached

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