[Intel-gfx] [regression] drm/i915: Eliminate nested get/put pages

[Chris Wilson]

On Tue, 02 Nov 2010 13:01:10 +0100, Alexey Fisher <bug-track at fisher-privat.net> wrote:
> this is regression seems to depend on xserver-xorg-video-intel version.
> 
> xserver-xorg-video-intel version 2:2.12.0-1ubuntu5
> i used till kernel 2.6.36-07547-g100519e, which was fine.
> 
> no i use xserver-xorg-video-intel
> 2:2.12.902+git20101028.b066ddda-0ubuntu0sarvatt2~maverick
> what make kernel oops on dual core and complete freeze with maxcpus=1.
> See oops on the end.
> 
> the commit i get first  freez witch is
> "e5281ccd2e0049e2b9e8ce82449630d25082372d".
> The problem is, after this commit it will freeze on the boot, but last
> intel_drm_next freeze on login to gnome, after x is actually started.

e5281ccd contained a typo where I missed converting from obj->pages[i] to
page. Fixed with ff75b9bc4.

The later OOPs is a confirmation of
https://bugs.freedesktop.org/show_bug.cgi?id=31286

Thanks,
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre