linux-kernel - Re: Suspend To RAM failure in >= 4.1 - bissected to "drm/i915: Track GEN6 page table usage"

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Message-ID: <20160104201211.GA5847@amd>
Date:	Mon, 4 Jan 2016 21:12:11 +0100
From:	Pavel Machek <pavel@....cz>
To:	Sylvain Munaut <s.munaut@...tever-company.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ben Widawsky <benjamin.widawsky@...el.com>,
	intel-gfx@...ts.freedesktop.org
Subject: Re: Suspend To RAM failure in >= 4.1 - bissected to "drm/i915: Track
 GEN6 page table usage"

Hi!

> > I then ran a git bissect between v4.0 and v4.1 from Linus's tree and
> > found the "guilty" commit was
> >
> > commit 317b4e903636305cfe702ab3e5b3d68547a69e72
> > Author: Ben Widawsky <benjamin.widawsky@...el.com>
> > Date:   Mon Mar 16 16:00:55 2015 +0000
> >
> >     drm/i915: Extract context switch skip and add pd load logic
> 
> Damnit, paste fail.
> 
> I meant to paste :
> 
> commit 678d96fbb3b5995a2fdff2bca5e1ab4a40b7e968
> Author: Ben Widawsky <benjamin.widawsky@...el.com>
> Date:   Mon Mar 16 16:00:56 2015 +0000
> 
>     drm/i915: Track GEN6 page table usage
> 
> (as indicated in the title and in the git bisect log)

Can you verify that reverting this patch (on top of 4.4?) fixes it?

If so, is it time to revert it?

Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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