[Bug 105873] [i915]Failed to release pages: bind_count=1, pages_pin_count=1, pin_display=0 on kernel 4.14.20

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105873

--- Comment #10 from Owen Zhang <owen.zhang at intel.com> ---
1. b): bisect to one commit that fixed this bug.
2. we used manual methods to bisect. 
  4.16-rc1 can't reproduce, but 4.15-rc1 can reproduce. so we list all i915
patches from 4.15-rc1 to 4.16-rc1. and choose one middle patch by manual(which
hadn't any dependence on it's previous) as bisect point, then make and install
this kernel. and test again. next will repeat this step...
3. we used this tree.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/log/?h=linux-4.16.y

we haven't used bisect cmd directly, so we haven't any git bisect cmd history,
thanks. 

(In reply to Joonas Lahtinen from comment #9)
> Seems like I made a typo in my comment #6 so please let me clarify my
> questions. 
> 
> 1. Is this is a) bisect to commit that introduces a regression b) bisect to
> commit that fixes a bug?
> 
> 2. Which criteria was used for bisecting?
> 
> 3. Which tree was used for bisecting?
> 
> Can you also please include the git bisect command history.

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