[Bug 24399] New: [R250] artifacts with kwin-compositing after upgrade to mesa 7.6

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24399

           Summary: [R250] artifacts with kwin-compositing after upgrade to
                    mesa 7.6
           Product: xorg
           Version: 7.4
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Keywords: regression
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryce at canonical.com
         QAContact: xorg-team at lists.x.org


Forwarding this bug from Ubuntu reporter Philip Falkner:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/446425

[Problem]
After upgrading to mesa 7.6 (from a mesa git snapshot from mid-August), 1-pixel
wide artifacts are displayed on the screen.  These disappear on screen
repaints.

[Original Description]
Starting today, Oct 8, with Kwin compositing active, I get 1-pixel wide
artifacts all over the screen.  When a window disappears, the very right-most
and bottom-most lines of it remain.  Sometimes when scrolling in Konqueror, a
line from somewhere else in the web page will "stick" at the bottom of the web
view (above the status bar).  The bouncy cursor icon when launching a new
application leaves bits of itself behind.

All of these artifacts disappear when that part of the screen is repainted
(e.g. moving a window over the area, activating the present windows effect).

Didn't happen before rebooting this morning, so I'm suspecting mesa 7.6.0.

Architecture: i386
Date: Thu Oct  8 11:18:00 2009
DistroRelease: Ubuntu 9.10
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 002: ID 045e:0039 Microsoft Corp. IntelliMouse Optical
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Package: xorg 1:7.4+3ubuntu5
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-12-generic
root=UUID=ec6a699c-8cb8-4ef4-b5c9-b83c28ba7696 ro quiet splash
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=en_CA.UTF-8ProcVersionSignature: Ubuntu 2.6.31-12.41-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.6.0-1ubuntu1
 libdrm2 2.4.13-1ubuntu1
 xserver-xorg-video-intel 2:2.8.1-1ubuntu3
 xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu3
SourcePackage: xorg
Uname: Linux 2.6.31-12-generic i686
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
XsessionErrors: (<unknown>:1648): Gdk-CRITICAL **: gdk_window_get_origin:
assertion `GDK_IS_WINDOW (window)' failed
dmi.bios.date: 07/16/2003
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: 6.00 PG
dmi.board.name: GA-8S650GXM
dmi.board.vendor: Seanix
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvr6.00PG:bd07/16/2003:svn:pn:pvr:rvnSeanix:rnGA-8S650GXM:rvr:cvn:ct3:cvr:
glxinfo: Error: [Errno 2] No such file or directory
system: architecture:       i686kernel:             2.6.31-12-generic


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