[Bug 93645] [SKL] GPU HANG: ecode 9:0:0x84df7efc, in java [1628], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93645

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

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

--- Comment #3 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.

In the meantime, assigning to Mesa product.

>From this error dump, hung is happening in render ring batch with active head
at 0x0b6fbb04, with 0x7b000005 (3DPRIMITIVE) as IPEHR.

Batch extract (around 0x0b6fbb04):

0x0b6fbadc:      0x78490001: 3D UNKNOWN: 3d_965 opcode = 0x7849
0x0b6fbae0:      0x00000003: MI_NOOP
0x0b6fbae4:      0x00000000: MI_NOOP
Bad length 7 in (null), expected 6-6
0x0b6fbae8:      0x7b000005: 3DPRIMITIVE: fail sequential
0x0b6fbaec:      0x00000007:    vertex count
0x0b6fbaf0:      0x000002e8:    start vertex
0x0b6fbaf4:      0x00000000:    instance count
0x0b6fbaf8:      0x00000001:    start instance
0x0b6fbafc:      0x00000000:    index bias
0x0b6fbb00:      0x00000000: MI_NOOP
0x0b6fbb04:      0x784a0000: 3D UNKNOWN: 3d_965 opcode = 0x784a
0x0b6fbb08:      0x00000000: MI_NOOP

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