Created attachment 123321 [details] error Acer VN7-592G machine Happened after heavy IO load. Didn't se that happen with previous 4.6 rc (but could be unrelated).
Created attachment 123322 [details] dmesg
Created attachment 123323 [details] lspci
Downgrading xf86-video-intel helped: (1:2.99.917+636+g562ae1f-1 -> 1:2.99.917+587+gc186d4d-1) Now it doesn't happen anymore
Duplicate based on gpu crash dump. Hung happening on SKL in render batch, IPEHR: 0x7b000005 and batch extract around ACTHD: 0x00000000 ff02c5b8 0xff02c598: 0x78090005: 3DSTATE_VERTEX_ELEMENTS 0xff02c59c: 0x02000000: buffer 0: invalid, type 0x0000, src offset 0x0000 bytes 0xff02c5a0: 0x22220000: (0.0, 0.0, 0.0, 0.0), dst offset 0x00 bytes 0xff02c5a4: 0x02f60000: buffer 0: invalid, type 0x00f6, src offset 0x0000 bytes 0xff02c5a8: 0x11230000: (X, Y, 0.0, 1.0), dst offset 0x00 bytes 0xff02c5ac: 0x02f60004: buffer 0: invalid, type 0x00f6, src offset 0x0004 bytes 0xff02c5b0: 0x11230000: (X, Y, 0.0, 1.0), dst offset 0x00 bytes Bad length 7 in (null), expected 6-6 0xff02c5b4: 0x7b000005: 3DPRIMITIVE: fail sequential 0xff02c5b8: 0x00000000: vertex count 0xff02c5bc: 0x00000018: start vertex 0xff02c5c0: 0x00000144: instance count 0xff02c5c4: 0x00000001: start instance 0xff02c5c8: 0x00000000: index bias 0xff02c5cc: 0x00000000: MI_NOOP *** This bug has been marked as a duplicate of bug 95145 ***
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