[Bug 91866] WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91866

--- Comment #7 from Marcelo Ricardo Leitner <marcelo.leitner at gmail.com> ---
(In reply to Jani Nikula from comment #6)
> (In reply to Chí-Thanh Christopher Nguyễn from comment #5)
> > After upgrading to linux-4.3.0 this problem seems to have gone away for me.
> 
> Thanks; can anyone else confirm 4.3 is warning free?

Yes, same here. Was seeing it on 4.2.6 and not seeing it on 4.4-rc4.
Fedora 23, t450s, fwiw.

Btw, just in case someone else updates to v4.4 to fix this, now we just need to
wait this one to propagate:
http://www.spinics.net/lists/intel-gfx/msg81327.html
To fix a new msg:
[   24.543333] [drm:gen8_irq_handler [i915]] *ERROR* The master control
interrupt lied (SDE)!

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