[Bug 27413] New: Fallback to Software Rasterizer on attaching to dock station

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=27413

           Summary: Fallback to Software Rasterizer on attaching to dock
                    station
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: kirill at shutemov.name
         QAContact: xorg-team at lists.x.org


Created an attachment (id=34596)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34596)
dmesg, xrandr --verbose, glxinfo and Xorg.0.log before and after attaching to
dock station

Hardware: Thinkpad T400 with AMD Mobility Radeon HD 3470

If I start Xorg when my laptop doen't connected to dockstation 3D acceleration
works fine:

$ glxinfo | grep "renderer string"
OpenGL renderer string: Mesa DRI R600 (RV620 95C4) 20090101 x86/MMX/SSE2 TCL
DRI2

But if I start Xorg when the laptop connected to dock station or attach it to
dockstation it falls back to software rasterizer:

$ glxinfo | grep "renderer string"
OpenGL renderer string: Software Rasterizer

I use 2.6.34-rc3 + lastest drm/drm-linus (d668046c1).


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