The only difference I could find in the Xorg.0.log files that I consider relevant was that it contains the following line only running kernel 2.6.32:
(WW) RADEON(0): You need a newer kernel for sync extension
And that it contains the following line only running kernel 2.6.35:
(II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
The only difference I could find in the Xorg.0.log files that I consider relevant was that it contains the following line only running kernel 2.6.32:
(WW) RADEON(0): You need a newer kernel for sync extension
And that it contains the following line only running kernel 2.6.35: swap_control and GLX_MESA_ swap_control
(II) AIGLX: enabled GLX_SGI_