Comment 59 for bug 146859

In Jaunty, as opposed to Intrepid, when setting a vritual desktop larger than 2048x2048 using 915GM, I get software renderer:
valentin@valentin-laptop:~$ glxinfo | grep renderer
OpenGL renderer string: Software Rasterizer

Using a virtual desktop size less or equal than 2048x2048 I get the normal renderer:
valentin@valentin-laptop:~$ glxinfo | grep renderer
OpenGL renderer string: Mesa DRI Intel(R) 915GM GEM 20090326 2009Q1 RC2 x86/MMX/SSE

Hope this is related and gets fixed, because it is preventing me from using my dual screen setup side-by-side.