linux-kernel - Re: Regression with suspend resume 5a87182aa21d6d5d306840feab9321818dd3e2a3

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Message-ID: <CAKohpomO+0q7bFWTnFRgqoRuU2WryfPpFv0WLOCKtHBrLzLRqw@mail.gmail.com>
Date:	Mon, 16 Dec 2013 16:10:55 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Zdenek Kabelac <zkabelac@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Lan Tianyu <tianyu.lan@...el.com>, jinchoi@...adcom.com,
	Paul Bolle <pebolle@...cali.nl>,
	Bjørn Mork <bjorn@...k.no>,
	ziegler@...il.mathematik.uni-freiburg.de,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	jbarnes@...tuousgeek.org
Subject: Re: Regression with suspend resume 5a87182aa21d6d5d306840feab9321818dd3e2a3

On 8 December 2013 15:54, Zdenek Kabelac <zkabelac@...hat.com> wrote:
> I'm testing recent 3.13-rc kernel - and I've notice my Lenovo T61 is not
> able to resume.  After bisect I've found commit:
>
> 5a87182aa21d6d5d306840feab9321818dd3e2a3

That's my patch, sorry for all the trouble.. Just came back after vacations
and multiple threads are there with this patch as culprit..

I just tested this patch again on Rafael's linux-next branch and suspend/resume
and Hibernation are working fine for me on my Thinkpad T420. I don't see any
issues at all..

scaling_governor: ondemand
scaling_driver: acpi-cpufreq

> When I just revert this commit with 374b105797c3d4f29c685f3be535c35f5689b30e
> (3.13-rc3)   suspend/resume works again.
> (I'm using  ondemand CPU governor)

> Here is bisect log:

> # bad: [2167e2399dc5e69c62db56d933e9c8cbe107620a] cpufreq: fix garbage
> kobjects on errors during suspend/resume
> git bisect bad 2167e2399dc5e69c62db56d933e9c8cbe107620a

I don't read bisect logs well but doesn't you log say that the culprit is
2167e2399dc5e69c62db56d933e9c8cbe107620a instead?

I am trying with this patch now, but will take some time for results to be out.
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