zajec@linux-aodr:~> LIBGL_DEBUG=verbose glxgears
libGL: XF86DRIGetClientDriverName: 4.3.0 r600 (screen 0)
libGL: OpenDriver: trying /usr/lib64/dri/r600_dri.so
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 4, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:00.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 4, (OK)
drmOpenByBusid: drmOpenMinor returns 4
drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
[r600]  Mappings:
        Registers                         cpu 0x7f2b25718000   size 0x00010000   handle 0xd0020000
        Status                            cpu 0x7f2b25717000   size 0x00001000   handle 0x2effe000
        GART           gpu 0x00d0000000
        DRM buffers    gpu 0x00d0102000   cpu 0x7f2b11028000   size 0x00200000
        GART Textures  gpu 0x00d0302000   cpu 0x7f2b11228000   size 0x01c80000   handle 0x1f000000
        Framebuffer    gpu 0x00c0000000   cpu 0x7f2b12ea8000   size 0x0fff0000
        Front Target   gpu 0x00c0000000   cpu 0x7f2b12ea8000   size 0x00af0000   pitch 0x0700
        Back  Target   gpu 0x00c0af8000   cpu 0x7f2b139a0000   size 0x00af0000   pitch 0x0700
        Depth Target   gpu 0x00c15e8000   cpu 0x7f2b14490000   size 0x00af0000   pitch 0x0700

Mesa: Initializing x86-64 optimizations
Mesa: Mesa 7.2 DEBUG build Apr 23 2009 09:51:39
Mesa warning: couldn't open libtxc_dxtn.so, software DXTn compression/decompression unavailable
[r600] r600MakeCurrent   (r600_context.c:413)
[r600]    Context 0x610240 Draw 0x60db40 Read 0x60db40
[r600] r600MemAlloc   (r600_mem.c:289)   allocated 1 at age 0
[r600] r600MemFree   (r600_mem.c:328)   freed 1 at age 0
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326
[r600] r600MemAlloc   (r600_mem.c:289)   allocated 1 at age 0
[r600] r600MemFree   (r600_mem.c:328)   freed 1 at age 0
[r600] r600CopyBuffer   (r600_screen.c:479)
[r600]    ClipRect 4:26-304:326