[Bug 80141] Fails to page flip multiple time, queue overflows waiting for one to finish that never does crashing entire system.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80141

--- Comment #14 from Aaron B <aaronbottegal at gmail.com> ---
(In reply to comment #12)
> (In reply to comment #11)
> > Anything needs tested [...]
> 
> It would be very interesting if those patches help for your problem as well.

OKay, after some more testing, I have one bug still present in this version,
and also one problem which may not be related.

Bug #1: Cinnamon restarted when moused over the top panel. Made login sound,
and lost my BG preferences and icons went to GNOME-style icons. I don't think
this is related, but just noting it.

Bug #2: This was triggered by Chromium, when resizing the window/dragging with
the mouse on the top of the screen. This one particular time made the screen
jump, like I've also seen in Steam, but this one triggers a black scanline,
(very very rarely) accompanied by a slight (1px vertical) tear upwards at the
scanline the black line is on. They happen more towards the bottom and middle
of the screen, although they start at the top. It happened once every 10
seconds or so when it started, but now is happening 1-2 times a second
sometimes with multiple black lines in the same frame it seems. The black line
occurence is increasing as time goes on. This was VERY common in 3.14 kernel,
so the issue probably is just being put off by the new dri implementation I was
given to test, but still exists. I don't really know weather to make a new bug
report or not specifically for that, I don't really know what components to
look at either. Any ideas, tests, etc. I can do them. But still, this has
seemed to fix the random complete failure crashes. Or, maybe with the black
lines, has just delayed them. I can't really tell.

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