[Bug 25005] New: radeon RV250: xorg locks up when running glxgears

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=25005

           Summary: radeon RV250: xorg locks up when running glxgears
           Product: xorg
           Version: 7.5
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: braket at hotmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=31075)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31075)
Xorg.0.log with backtrace

I just ugraded to xorg 7.5 and the system locks up when running 
glxgears.
When glxgears is run, a black square window appears and the system stops 
responding. The mouse pointer can still be moved but clicks are ignored 
and the keyboard doesn't respond (not even alt-sysrq keystrokes). 
I can still ssh into the laptop and see that glxgears is taking 100% 
cpu. If the process is killed, then the Xorg process goes at 100% cpu 
and can't be killed. The machine can be rebooted fine through ssh 
though.

For testing I downgraded all the Xorg related packages to the previous 
working version (some 7.4 state). Then I upgraded everything except:
xf86-input-evdev
xf86-video-ati
xf86-video-vesa
xorg-server

In this situation, the bug is not present. If I fully update, the bug 
appears. The updated (latest) versions of the server and driver packages are
(in archlinux):
xorg-server 1.7.1.901
xf86-video-ati 6.12.99.git20091014

I attach my Xorg log with a backtrace.


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