[Bug 97779] [BDW GPU hang] stuck on render ring, always reproducible

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97779

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|DRM/Intel                   |Drivers/DRI/i915
            Version|DRI git                     |12.0
         QA Contact|intel-gfx-bugs at lists.freede |
                   |sktop.org                   |
            Product|DRI                         |Mesa
           Assignee|intel-gfx-bugs at lists.freede |idr at freedesktop.org
                   |sktop.org                   |

--- Comment #2 from regwz <regwz at seznam.cz> ---
Created attachment 126468
  --> https://bugs.freedesktop.org/attachment.cgi?id=126468&action=edit
glxinfo

--- Comment #3 from regwz <regwz at seznam.cz> ---
Created attachment 126469
  --> https://bugs.freedesktop.org/attachment.cgi?id=126469&action=edit
lspci -vvvnn

--- Comment #4 from regwz <regwz at seznam.cz> ---
Created attachment 126470
  --> https://bugs.freedesktop.org/attachment.cgi?id=126470&action=edit
Chromium stderr output

--- Comment #5 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 0xf7299f04, with 0x7b000005 (3DPRIMITIVE) as IPEHR.

Batch extract (around 0xf7299f04):

0xf7299ed4:      0x78490001: 3D UNKNOWN: 3d_965 opcode = 0x7849
0xf7299ed8:      0x00000004: MI_NOOP
0xf7299edc:      0x00000000: MI_NOOP
0xf7299ee0:      0x780c0000: 3D UNKNOWN: 3d_965 opcode = 0x780c
0xf7299ee4:      0x00000000: MI_NOOP
Bad length 7 in (null), expected 6-6
0xf7299ee8:      0x7b000005: 3DPRIMITIVE: fail sequential
0xf7299eec:      0x00000104:    vertex count
0xf7299ef0:      0x00019470:    start vertex
0xf7299ef4:      0x00000000:    instance count
0xf7299ef8:      0x00000001:    start instance
0xf7299efc:      0x00000000:    index bias
0xf7299f00:      0x00000000: MI_NOOP
0xf7299f04:      0x78150009: 3D UNKNOWN: 3d_965 opcode = 0x7815
0xf7299f08:      0x00000004: MI_NOOP
0xf7299f0c:      0x00000000: MI_NOOP

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