linux-kernel - Re: Thinkpad T40p: suspend to ram stopped working sometime before 4.14

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Message-ID: <20171224153624.GA22377@amd>
Date:   Sun, 24 Dec 2017 16:36:24 +0100
From:   Pavel Machek <pavel@....cz>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     kernel list <linux-kernel@...r.kernel.org>, len.brown@...el.com,
        linux-pm@...r.kernel.org
Subject: Re: Thinkpad T40p: suspend to ram stopped working sometime before
 4.14

On Sun 2017-12-24 16:22:32, Pavel Machek wrote:
> On Sun 2017-12-24 13:04:31, Rafael J. Wysocki wrote:
> > On Sunday, December 24, 2017 12:49:21 PM CET Pavel Machek wrote:
> > > Hi!
> > > 
> > > 4.15-rcX is broken, but that had other problems so lets not go there.
> > > 
> > > 4.14 is broken.
> > 
> > And what exactly does happen?
> 
> Suspend looks ok. I believe there's some reaction to power button, but
> screen stays blank. I'll re-check that.. I'm in the middle of bisect
> now.

Ok, so suspend looks ok. On resume, "moon" LED goes off and power /
bluetooth LEDs go on, but screen is black and no response to anything.

# bad: [eb3b451f8b5a6eb0ebe09ff0f79937977f985a36] Configuration for final v4.14
# good: [9fd3408ca15f4018466e87255ab2644f54de1c1c] "Definitely say Y... so it should be default."
git bisect start 'my-v4.14' 'my-v4.13'
# good: [088eb54dfadd2cdaeb50969fadda4ecfd8d490c2] Date: Wed, 6 Sep 2017 09:03:47 +0300 From: Adrian Hunter <adrian.hunter@...el.com> To: Shawn Lin <shawn.lin@...k-chips.com>, Pavel Machek <pavel@....cz>,         linux-mmc@...r.kernel.org 	Cc: kernel list <linux-kernel@...r.kernel.org>, Seraphime 	Kirkovski <kirkseraph@...il.com> 	Subject: Re: 4.13 on thinkpad x220: oops when writing to SD 	card
git bisect good 088eb54dfadd2cdaeb50969fadda4ecfd8d490c2
# good: [15d8ffc96464f6571ecf22043c45fad659f11bdd] Merge tag 'mmc-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
git bisect good 15d8ffc96464f6571ecf22043c45fad659f11bdd
# good: [e90937e756938f03d37d4cae7c82316a3a425944] Merge tag 'armsoc-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect good e90937e756938f03d37d4cae7c82316a3a425944

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

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