[Bug 93852] GPU HANG: ecode 9:0:0x84df7efc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93852

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |Mesa
          Component|DRM/Intel                   |Drivers/DRI/i965
         QA Contact|intel-gfx-bugs at lists.freede |intel-3d-bugs at lists.freedes
                   |sktop.org                   |ktop.org
           Assignee|intel-gfx-bugs at lists.freede |idr at freedesktop.org
                   |sktop.org                   |
            Version|unspecified                 |12.0

--- Comment #6 from yann <yann.argotti at intel.com> ---
You may also collect and attach logs collected thanks to apitrace:
http://apitrace.github.io/

In parallel, assigning to Mesa product.

Kernel: 4.8.2-1-ARCH
Platform: Skylake (pci id: 0x1916 - PCI Revision: 0x07 - PCI Subsystem:
1558:2425)
Mesa: Mesa 12.0.3

>From this error dump, hung is happening in render ring batch with active head
at 0xf5f89330, with 0x7b000005 (3DPRIMITIVE) as IPEHR.

We can note also ERROR: 0x00000001 and in the ring "Invalid PTE Fault".

Batch extract (around 0xf5f89330):

0xf5f892f4:      0x78490001: 3D UNKNOWN: 3d_965 opcode = 0x7849
0xf5f892f8:      0x00000001: MI_NOOP
0xf5f892fc:      0x00000000: MI_NOOP
0xf5f89300:      0x78490001: 3D UNKNOWN: 3d_965 opcode = 0x7849
0xf5f89304:      0x00000002: MI_NOOP
0xf5f89308:      0x00000000: MI_NOOP
0xf5f8930c:      0x780c0000: 3D UNKNOWN: 3d_965 opcode = 0x780c
0xf5f89310:      0x00000000: MI_NOOP
Bad length 7 in (null), expected 6-6
0xf5f89314:      0x7b000005: 3DPRIMITIVE: fail sequential
0xf5f89318:      0x00000104:    vertex count
0xf5f8931c:      0x00002f64:    start vertex
0xf5f89320:      0x00000000:    instance count
0xf5f89324:      0x00000001:    start instance
0xf5f89328:      0x00000000:    index bias
0xf5f8932c:      0x00000000: MI_NOOP
0xf5f89330:      0x78230000: 3D UNKNOWN: 3d_965 opcode = 0x7823
0xf5f89334:      0x00007cc0: MI_NOOP
0xf5f89338:      0x78150009: 3D UNKNOWN: 3d_965 opcode = 0x7815

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