[xorg-bugzilla-noise] [Bug 1311] New: Cursor artifacts under Mozilla Firefox on ATI 8500 and IGP 340M, -904 xorg

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1311        
   
           Summary: Cursor artifacts under Mozilla Firefox on ATI 8500 and
                    IGP 340M, -904 xorg
           Product: xapps
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: trivial
          Priority: P2
         Component: xcompmgr
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: dorrin at gmail.com


Using Mozilla Firefox's autoscrolling feature (middle mouse button) with
xcompmgr running results in visual artifacts. This is somewhat similar to the
bug at "http://freedesktop.org/bugzilla/show_bug.cgi?id=1159" (sorry, I don't
know how to make links in Bugzilla). The verdict on that bug was that it was a
fault of the NVidia drivers...however, both my computers have ATI cards and use
DRI drivers.

Computer 1:
     Amd64 (64-bit xorg and firefox)
     xorg 6.7.99.904
     Radeon 8500
     Firefox 9.3
     Gentoo 2004.2

Computer 2:
     Pentium 4
     xorg 6.7.99.903
     IGP 340M graphics card
     Firefox 8
     Gentoo 2004.2

Steps to reproduce:
     Run xcompmgr and Firefox (in any order)
     Ensure autoscrolling is enabled in Firefox's prefs
     Middle-click somewhere on a page, scroll up, down, or sideways to get
artifacts.        
   
   
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