[Bug 93746] Black screen when reconnecting display with DRI3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93746

--- Comment #6 from Bernd Steinhauser <linux at bernd-steinhauser.de> ---
(In reply to Michel Dänzer from comment #5)
> Does this only happen with Option "TearFree"? Only with a 4.4 kernel?
No, it doesn't seem to be related to the Pageflip option either.

> 
> It sounds like it could be the problem discussed in
> http://lists.freedesktop.org/archives/dri-devel/2016-January/098823.html and
> followups.
Could be, yes. However, I think that I had problems with linux 4.2 as well. 4.3
for sure. I bought this screen (the Eizo) in September and since 4.2 came out
in August, this seems likely.
I will try it out, though during my next test run tomorrow.

> 
> P.S. How does this relate to bug 90987?
Not sure. The difference is, that in this one, only that single screen
misbehaves, in bug 90987, all of them do.
I can reproduce both individually.
Also, while this one is fixable by switching to VT2 and back, bug 90987 seems
only fixable by restarting X (or at least I didn't find another way yet).

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