[Bug 93262] [snb gt1] seqno writes stop after ringbuffer wraparound at address 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93262

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
I believe this

commit a687a43a48f0f91ba37dce5a14b467258ed6f035
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Apr 13 17:35:11 2016 +0100

    drm/i915: Force ringbuffers to not be at offset 0

which fixes similar symptoms for me, should help.

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