Created attachment 27973 [details] Only small part of top gear is rendered Hi! rv280 mobility card in agp mode. VIA VT8378 [KM400/A] Chipset Host Bridge (agpgart-via) kernel 2.6.31 rc3 and rc4 reproducing: 1. run gears 2. window is first blank 3. moving mouse over window or moving window start rendering apear to window 4. watch when gears stop again completely or partially glxgears and gears both result in same output. Also all others opengl applications have same problem but clipping rectangles are different. There is nothing in xorg.log or dmesg that is different to what it was when everything worked. Attached image shows screenshot from rendering when large bottom areal is still while small part of top gears is rotating.
Hey, can you test with Option "EXANoComposite" "1" inserted into your xorg.conf? (see comment #3 in bug 22746). I can't re-test right now because i have Nvidia card plugged in.
Mass version move, cvs -> git
Fixed by scissor fix in mesa 7.6
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