Re: 3.15-rc: regression in suspend

From: Pavel Machek <pavel@ucw.cz>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Linux-pm mailing list <linux-pm@lists.osdl.org>,
	kernel list <linux-kernel@vger.kernel.org>,
	Chris Wilson <chris@chris-wilson.co.uk>,
	intel-gfx <intel-gfx@lists.freedesktop.org>
Subject: Re: 3.15-rc: regression in suspend
Date: Thu, 26 Jun 2014 00:35:22 +0200	[thread overview]
Message-ID: <20140625223522.GA5923@xo-6d-61-c0.localdomain> (raw)
In-Reply-To: <alpine.LNX.2.00.1406091302560.20782@pobox.suse.cz>

On Mon 2014-06-09 13:03:31, Jiri Kosina wrote:
> On Mon, 9 Jun 2014, Pavel Machek wrote:
> 
> > > > Strange. It seems 3.15 with the patch reverted only boots in 30% or so
> > > > cases... And I've seen resume failure, too, so maybe I was just lucky
> > > > that it worked for a while.
> > > 
> > > git bisect really likes 25f397a429dfa43f22c278d0119a60 - you're about
> > > the 5th report or so that claims this is the culprit but it's
> > > something else. The above code is definitely not used in i915 so bogus
> > > bisect result.
> > 
> > Note I did not do the bisect, I only attempted revert and test.
> > 
> > And did three boots of successful s2ram.. only to find out that it
> > does not really fix s2ram, I was just lucky :-(.
> > 
> > Unfortunately, this means my s2ram problem will be tricky/impossible
> > to bisect :-(.
> 
> Welcome to the situation I have been in for past several months.

Ok, so I have set up machines for ktest / autobisect, and found out that 3.16-rc1 no
longer has that problem. Oh well, bisect would not be fun, anyway...

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