[Bug 78681] [ILK regression]igt/gem_ring_sync_copy randomly causes *ERROR* Hangcheck timer elapsed... bsd ring idle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78681

lu hua <huax.lu at intel.com> changed:

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

--- Comment #3 from lu hua <huax.lu at intel.com> ---
Bisect it(Run each commit 20 cycles).
Bisect shows b8866ef82d4f6c5361c8edd5199fe0cd19b947e3 is the first bad commit
commit b8866ef82d4f6c5361c8edd5199fe0cd19b947e3
Author:     Daniel Vetter <daniel.vetter at ffwll.ch>
AuthorDate: Thu Apr 24 23:54:40 2014 +0200
Commit:     Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Mon May 5 10:56:57 2014 +0200

    drm/i915/tv: extract set_color_conversion

    intel_tv_mode_set is still too bug.

    Reviewed-by: Imre Deak <imre.deak at intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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