[Bug 96894] stuck on render ring (v4.7-rc7 Sky Lake Integrated Graphics [8086:1916])

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96894

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/i965
            Version|unspecified                 |git
            Product|DRI                         |Mesa
         QA Contact|intel-gfx-bugs at lists.freede |intel-3d-bugs at lists.freedes
                   |sktop.org                   |ktop.org

--- Comment #1 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 0xfe3de644, with 0x7b000005 (3DPRIMITIVE) as IPEHR.

Batch extract (around 0xfe3de644):

0xfe3de624:      0x78090005: 3DSTATE_VERTEX_ELEMENTS
0xfe3de628:      0x02000000:    buffer 0: invalid, type 0x0000, src offset
0x0000 bytes
0xfe3de62c:      0x22220000:    (0.0, 0.0, 0.0, 0.0), dst offset 0x00 bytes
0xfe3de630:      0x02f60000:    buffer 0: invalid, type 0x00f6, src offset
0x0000 bytes
0xfe3de634:      0x11230000:    (X, Y, 0.0, 1.0), dst offset 0x00 bytes
0xfe3de638:      0x02f60004:    buffer 0: invalid, type 0x00f6, src offset
0x0004 bytes
0xfe3de63c:      0x11230000:    (X, Y, 0.0, 1.0), dst offset 0x00 bytes
Bad length 7 in (null), expected 6-6
0xfe3de640:      0x7b000005: 3DPRIMITIVE: fail sequential
0xfe3de644:      0x00000000:    vertex count
0xfe3de648:      0x00000003:    start vertex
0xfe3de64c:      0x00000004:    instance count
0xfe3de650:      0x00000001:    start instance
0xfe3de654:      0x00000000:    index bias
0xfe3de658:      0x00000000: MI_NOOP

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