Comment # 4 on bug 92738 from Heiher

(In reply to Alex Deucher from comment #1)
> GPU pages are 4k.  These functions are dealing with the GPU's virtual
> address space, not the CPU's.  What sort of problem are you seeing?

dmesg outputs when X server starting:
[ 1071.083005] radeon 0000:02:00.0: bo 98000001e5d76000 va 0x0000000802
conflict with (bo 98000001e5d76800 0x0000000800 0x0000000803)
[ 1071.095425] radeon 0000:02:00.0: bo 98000001e5d76000 va 0x0000000802
conflict with (bo 98000001e5d76800 0x0000000800 0x0000000803)
[ 1073.201289] radeon 0000:02:00.0: bo 98000001e5dfac00 va 0x0000000802
conflict with (bo 98000001e5dfbc00 0x0000000800 0x0000000803)
[ 1073.213795] radeon 0000:02:00.0: bo 98000001e5dfac00 va 0x0000000802
conflict with (bo 98000001e5dfbc00 0x0000000800 0x0000000803)
[ 1074.413274] radeon 0000:02:00.0: bo 98000001e5d76800 va 0x0000000802
conflict with (bo 98000001e5d74000 0x0000000800 0x0000000803)
[ 1074.425699] radeon 0000:02:00.0: bo 98000001e5d76800 va 0x0000000802
conflict with (bo 98000001e5d74000 0x0000000800 0x0000000803)
[ 1075.634164] radeon 0000:02:00.0: bo 98000001fad14c00 va 0x0000000802
conflict with (bo 98000001fad16c00 0x0000000800 0x0000000803)
[ 1075.646623] radeon 0000:02:00.0: bo 98000001fad14c00 va 0x0000000802
conflict with (bo 98000001fad16c00 0x0000000800 0x0000000803)
[ 1076.867784] radeon 0000:02:00.0: bo 98000001e5dfbc00 va 0x0000000802
conflict with (bo 98000001e5dfb800 0x0000000800 0x0000000803)
[ 1076.880201] radeon 0000:02:00.0: bo 98000001e5dfbc00 va 0x0000000802
conflict with (bo 98000001e5dfb800 0x0000000800 0x0000000803)
[ 1078.747714] radeon 0000:02:00.0: bo 98000001e5df9400 va 0x0000000802
conflict with (bo 98000001e5df8c00 0x0000000800 0x0000000803)
[ 1078.760208] radeon 0000:02:00.0: bo 98000001e5df9400 va 0x0000000802
conflict with (bo 98000001e5df8c00 0x0000000800 0x0000000803)