[xorg-bugzilla-noise] [Bug 1208] New: OpenGL slowdowns with xcompmgr enabled on Radeon 7500

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1208        
   
           Summary: OpenGL slowdowns with xcompmgr enabled on Radeon 7500
           Product: xorg
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Driver/Radeon
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: ghepeu at virgilio.it


I've just compiled and installed xorg 6.7.99.902 with the gentoo ebuild in
portage. Everything seems to work on my radeon 7500 (open source drivers) even
if with transparencies the system is too slow to be usable, but there are two
problems with opengl software. Performance are better than with previous stable
release (+10% fps), but with xcompmgr enabled:

1) slowdown and framedrops occur every few (random) seconds: if I launch
xcompmgr with option -n there are occasionally black zones that cover the
surface of open windows on desktop (for example the console I use to launch the
program) and with xcompmgr -a there are just the slowdowns

2) menus appear for an instant and are immediately covered by the graphic (this
happens for example with celestia); it seems that they are drawn only when the
mouse passes over them        
   
   
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