linux-kernel - Re: Machine crashes right *after* ~successful resume

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Message-ID: <543F049F.5090605@gaast.net>
Date:	Thu, 16 Oct 2014 00:34:55 +0100
From:	Wilmer van der Gaast <wilmer@...st.net>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Pavel Machek <pavel@....cz>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Machine crashes right *after* ~successful resume

Hello Yinghai,

On 15-10-14 19:39, Yinghai Lu wrote:
>
> so third resume will not work? that is strange.
> second and third should not use same code path...
>
Always exactly the third time, yes. Seems strange indeed. :-( I was 
under the impression that on each resume, completion time of device 
resumes was growing, and wondered whether that could be related. However 
looking back at my logs, this is not consistent, in some cases the time 
is constant.

Anyway, your patch works! Had to tweak it slightly to apply cleanly to 
the 3.17 tarball I have, but my machine now went through eleven 
successful suspend+resume cycles again.

Is there anything I can do now to find out why your change is causing my 
machine to crash?

Thank you!


Wilmer v/d Gaast.

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