[Bug 99605] [BDW] GPU HANG: ecode 8:0:0x13e3226f, in plasmashell [1093], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99605

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
      i915 features|                            |GPU hang

--- Comment #1 from yann <yann.argotti at intel.com> ---
Marcel Dischinger, can you try with latest drm-tip kernel
(https://cgit.freedesktop.org/drm/drm-tip/)?

>From gpu crash dump, we can see that we have 2 waiters in render ring
 seqno 0x00001a42 for plasmashell [1093]
 seqno 0x00001a44 for Xorg [691]

and the sequence (I guess 0x00001a41)
has
0x00966204:      0x05e96da8: MI_SUSPEND_FLUSH
Bad length 57346 in 3DSTATE_LINE_STIPPLE, expected 3-3
0x00966208:      0x7908e000: 3DSTATE_LINE_STIPPLE

that ends finally with:
ERROR: Decode attempted to continue beyond end of batchbuffer

Chris, do you think that could be linked to a Mesa issue?

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