Comment 27 for bug 459961

I tested libdrm, mesa and ati driver from current git and get the same result as Roman while running compiz. Without compositing I do not get an error, but covering the gl window completely freezes the system.

liberty@acer:~$ /usr/lib/xscreensaver/hyperspace
bo(0x97028c8, 65536) is mapped (-1) can't valide it.
validated 0x97028c8 [0xB07C2000, 0xB07D2000]
*********************************WARN_ONCE*********************************
File radeon_dma.c function radeonReleaseDmaRegions line 348
Leaking dma buffer object!
***************************************************************************
Segmentation fault