[Bug 95267] GPU HANG: ecode 9:0:0x86dfbff9 in chromium [1493], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95267

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

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

--- Comment #4 from yann <yann.argotti at intel.com> ---
Assigning to Mesa product.

>From this error dump, hung is happening in render ring batch with active head
at 0xfe8c37bc, with 0x79000002 (3DSTATE_DRAWING_RECTANGLE) as IPEHR.

Batch extract (around 0xfe8c37bc):

0xfe8c3794:      0x000000d2: MI_NOOP
Bad length 5 in 3DSTATE_STENCIL_BUFFER, expected 3-3
0xfe8c3798:      0x78060003: 3DSTATE_STENCIL_BUFFER
0xfe8c379c:      0x8100087f:    dword 1
0xfe8c37a0:      0xff9e7000:    dword 2
0xfe8c37a4:      0x00000000:    dword 3
0xfe8c37a8:      0x00000000:    dword 4
0xfe8c37ac:      0x78040001: 3DSTATE_CLEAR_PARAMS
0xfe8c37b0:      0x3f800000:    dword 1
0xfe8c37b4:      0x00000001:    dword 2
0xfe8c37b8:      0x79000002: 3DSTATE_DRAWING_RECTANGLE
0xfe8c37bc:      0x00000000:    top left: 0,0
0xfe8c37c0:      0x02280415:    bottom right: 1045,552
0xfe8c37c4:      0x00000000:    origin: 0,0
0xfe8c37c8:      0x784a0000: 3D UNKNOWN: 3d_965 opcode = 0x784a
0xfe8c37cc:      0x00000000: MI_NOOP

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