[Bug 50450] New: OpenGL does not work or works very slowly on Radeon HD3850

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50450

             Bug #: 50450
           Summary: OpenGL does not work or works very slowly on Radeon
                    HD3850
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/R600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: maksbotan@gentoo.org


Created attachment 62198
  --> https://bugs.freedesktop.org/attachment.cgi?id=62198
lspci

I have ATI Radeon HD3850 on AGP bus with Pentium-4 PC. I observe very strange
behavior of OpenGL applications:
KWin, qudos, doomsday run slowly even not with high quality settings;
Quake4 demo from ID site crashes right after map loading, just when rendering
starts i suppose, and X server crashes with it.
I attach my glxinfo, kernel config and lspci. Versions of used software are:
mesa, libdrm and xf86-video-ati from git, linux kernel kernel 3.3.5, X.org
server 1.12.1.
I think this is bug in mesa or xf86-video-ati related to my video card. Please
help me.

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