[Bug 18397] New: Occasional mouse cursor corruption [EXA enabled]

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=18397

           Summary: Occasional mouse cursor corruption [EXA enabled]
           Product: xorg
           Version: 7.4
          Platform: All
               URL: https://bugs.edge.launchpad.net/ubuntu/+source/xserver-
                    xorg-video-ati/+bug/291053
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryce at canonical.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=20089)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=20089)
Xorg.0.log

Forwarding this EXA bug from a Ubuntu tester:
https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/291053

[Problem]
Corruption in application-specific mouse cursors under Compiz when EXA is
enabled.

[Original Report]
I observe an occasional tiny corruption of the mouse-cursor. It manifests
itself as horizontal garbage at the bottom of the "cursor square" (that thing
around the actual cursor graphics which is usually transparent :) ). It only
seems to affect certain applications which change the cursor. For instance,
running Firefox remotely with X-forwarding on a RHEL5 installation, the
corruption can appear. The cursor is different in this app compared to the
default Ubuntu-cursor (because the app is not running on Ubuntu). I've also
seen it in Emacs running locally.

Xorg driver in use is xserver-xorg-video-radeon git20081003.f9826a56-0ubuntu2.
EXA-acceleration is enabled.
Ubuntu 8.10 (fully updated, installed from RC).
Compiz is enabled.
Default Ubuntu cursor theme.
Graphics card: ATI X1400 mobile radeon (R500), 128MB RAM.

If more information is needed, please say so. I am also willing and able to
test new GIT-snapshots of the radeon driver, and provide feedback if problems
are fixed, etc.

[lspci]
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon Mobility
X1400 [1002:7145]
        Subsystem: Lenovo Device [17aa:202a]

(Full lspci at http://launchpadlibrarian.net/19073393/lspci-vvnn.txt)


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