[Bug 99030] [HSW, regression] transform feedback fails on Linux 4.8

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99030

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
arb_transform_feedback2-draw-auto bisects to

6761d0a184efe5a735dfcd9c9f7ac08b2d44d657 is the first bad commit
commit 6761d0a184efe5a735dfcd9c9f7ac08b2d44d657
Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Fri May 6 08:50:14 2016 +0100

    drm/i915: Allow MI_LOAD_REGISTER_REG between whitelisted registers.

    Allowing register copies where the source and destination are both
    whitelisted should be safe, and is useful.  For example, Mesa uses
    this to load the command streamer math registers with data from the
    pipeline statistics counters.

Just setting cmd_parser.version=6 is enough to make the test pass, suggesting
that this is a very different bug to
ES3-CTS.functional.transform_feedback.array_element.interleaved.lines.lowp_vec2

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