VM fault report.

Driver vendor: X.Org
Device vendor: AMD
Device name: AMD CARRIZO (DRM 3.1.0 / 4.6.2-gentoo, LLVM 3.9.0)

Failing VM page: 0x00101508

Buffer list (in units of pages = 4kB):
[1;33m        Size    VM start page         VM end page           Usage[0m
           8    0x0000000100035       0x000000010003d       IB1
         843    -- hole --
         975    0x0000000100388       0x0000000100757       SDMA_BUFFER
        2473    -- hole --
        1032    0x0000000101100       0x0000000101508       SDMA_BUFFER

Note: The holes represent memory not used by the IB.
      Other buffers can still be allocated there.

------------------ sDMA IB begin ------------------
 00000501
 01100000
 00000001
 001d0000
 00ab0000
 0000407f
 02481822
 00388000
 00000001
 00000000
 057f0000
 000f3b7f
 02c40555
 00000000
 00000000
------------------- sDMA IB end -------------------

SDMA Dump Done.
