this issue happens on Q965, GM965 Reproduce Steps: start a raw X server (this issue seems not happen on a non-raw X server) run and kill the test case many times (it's unstable) Note: it's easier to reproduce this issue, by start the test case immediately after the previous one is killed. this issue seems not happen in non-dri mode.
Created attachment 11403 [details] test case following is what test do: set draw buffer and read buffer to GL_FRONT clear the color buffer drawing GL_POINTS mode POLYGON to GL_FRONT buffer read back what have been drawn then, set draw buffer and read buffer to GL_BACK clear the color buffer drawing the same POLYGON read back what have been drawn results from two buffer, sometimes are different.
*** This bug has been marked as a duplicate of bug 11378 ***
Mass version move, cvs -> git
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