[Bug 93481] [HSW] GPU hang ecode 7:0:0x86d2bff9

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93481

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

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

--- Comment #3 from yann <yann.argotti at intel.com> ---
There were 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.

Kernel: 4.4.0-rc5+ (commit id 1eab0e42450c60)
Platform: Haswell (pci id- 0x0a26)
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 0x0aaae2f4, with 0x790d0002 (3DSTATE_MULTISAMPLE) as IPEHR.

Batch extract (around 0x0aaae2f4):

0x0aaae2cc:      0x78170005: 3DSTATE_CONSTANT_PS
0x0aaae2d0:      0x00000000:    len 0 = 0, len 1 = 0
0x0aaae2d4:      0x00000000:    len 2 = 0, len 3 = 0
0x0aaae2d8:      0x00000000:    pointer to constbuf 0
0x0aaae2dc:      0x00000000:    pointer to constbuf 1
0x0aaae2e0:      0x00000000:    pointer to constbuf 2
0x0aaae2e4:      0x00000000:    pointer to constbuf 3
0x0aaae2e8:      0x782a0000: 3DSTATE_BINDING_TABLE_POINTERS_PS
0x0aaae2ec:      0x000078e0:    dword 1
0x0aaae2f0:      0x790d0002: 3DSTATE_MULTISAMPLE
0x0aaae2f4:      0x00000000:    dword 1
0x0aaae2f8:      0x00000000:    dword 2
0x0aaae2fc:      0x00000000:    dword 3
0x0aaae300:      0x78180000: 3DSTATE_SAMPLE_MASK
0x0aaae304:      0x00000001:    dword 1
0x0aaae308:      0x78100004: 3DSTATE_VS
0x0aaae30c:      0x000001c0:    kernel pointer
0x0aaae310:      0x00000000:    SPF=0, VME=0, Sampler Count 0, Binding table
count 0
0x0aaae314:      0x00000000:    scratch offset
0x0aaae318:      0x00100800:    Dispatch GRF start 1, VUE read length 1, VUE
read offset 0
0x0aaae31c:      0x8b800401:    Max Threads 70, Vertex Cache enable, VS func
enable

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