[Bug 92697] GPU HANG: ecode 9:0:0x85dffffb while playing XCOM: enemy unknown on Skylake-S/HD Graphics 530

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92697

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|intel-gfx-bugs at lists.freede |idr at freedesktop.org
                   |sktop.org                   |
          Component|DRM/Intel                   |Drivers/DRI/i915
            Product|DRI                         |Mesa
            Version|unspecified                 |11.0
         QA Contact|intel-gfx-bugs at lists.freede |
                   |sktop.org                   |

--- Comment #3 from yann <yann.argotti at intel.com> ---
There were workaround for SKL and improvements pushed in kernel and Mesa that
will benefit to your system, so please re-test with latest kernel & Mesa to see
if this issue is still occurring.

In parallel, assigning to Mesa product (please let me know if I am mistaken
with this GPU Hang).

Kernel: 4.3.0-rc7+
Platform: Skylake (pci id: 0x1912)
Mesa: 11.0.4

>From this error dump, hung is happening in render ring batch with active head
at 0xe375ac34, with 0x7a000004 (PIPE_CONTROL) as IPEHR.

Batch extract (around 0xe375ac34):

0xe375abe8:      0x7b000005: 3DPRIMITIVE: fail sequential
0xe375abec:      0x00000104:    vertex count
0xe375abf0:      0x000003c0:    start vertex
0xe375abf4:      0x00000000:    instance count
0xe375abf8:      0x00000001:    start instance
0xe375abfc:      0x00000000:    index bias
0xe375ac00:      0x00000000: MI_NOOP
Bad count in PIPE_CONTROL
0xe375ac04:      0x7a000004: PIPE_CONTROL: no write, no depth stall, no RC
write flush, no inst flush
0xe375ac08:      0x00000000:    destination address
0xe375ac0c:      0x00000000:    immediate dword low
0xe375ac10:      0x00000000:    immediate dword high
Bad count in PIPE_CONTROL
0xe375ac1c:      0x7a000004: PIPE_CONTROL: no write, no depth stall, no RC
write flush, no inst flush
0xe375ac20:      0x00101c11:    destination address
0xe375ac24:      0x00000000:    immediate dword low
0xe375ac28:      0x00000000:    immediate dword high
0xe375ac34:      0x78210000: 3D UNKNOWN: 3d_965 opcode = 0x7821
0xe375ac38:      0x00003980: MI_NOOP

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