[Bug 93506] GPU HANG: ecode 9:0:0x87f97cf9, in Never_Alone.x64

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93506

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

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

--- Comment #1 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 (you may also collect and attach logs
collected thanks to apitrace: http://apitrace.github.io/)

Kernel: 4.4.0-rc6-mainline
Platform: SKL - i7-6700h
Mesa: [Please confirm your mesa version]

In the meantime, assigning to Mesa product.

>From this error dump, hung is happening in render ring batch with active head
at 0xf8026324, with 0x78260000 (3DSTATE_BINDING_TABLE_POINTERS_VS) as IPEHR.

Batch extract (around 0xf8026324):

0xf8026318:      0x00000000: MI_NOOP
0xf802631c:      0x78260000: 3DSTATE_BINDING_TABLE_POINTERS_VS
0xf8026320:      0x00000000:    dword 1
0xf8026324:      0x782a0000: 3DSTATE_BINDING_TABLE_POINTERS_PS
0xf8026328:      0x00007a60:    dword 1
0xf802632c:      0x782f0000: 3DSTATE_SAMPLER_STATE_POINTERS_PS
0xf8026330:      0x00007a40:    dword 1
Bad length 9 in 3DSTATE_VS, expected 6-6
0xf8026334:      0x78100007: 3DSTATE_VS
0xf8026338:      0x00099c00:    kernel pointer
0xf802633c:      0x00000000:    SPF=0, VME=0, Sampler Count 0, Binding table
count 0
0xf8026340:      0x00010000:    scratch offset
0xf8026344:      0x00000000:    Dispatch GRF start 0, VUE read length 0, VUE
read offset 0
0xf8026348:      0x00000000:    Max Threads 1, Vertex Cache enable, VS func
disable

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