linux-kernel - Re: [BISECTED, REGRESSION] Successful resume from suspend but freezes after I/O

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Message-Id: <200912210955.00086.vl@fidra.de>
Date:	Mon, 21 Dec 2009 09:54:59 +0100
From:	Volker Lanz <vl@...ra.de>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu
Subject: Re: [BISECTED, REGRESSION] Successful resume from suspend but freezes after I/O

On Tuesday 08 December 2009 02:13:20 Volker Lanz wrote:
> On Tuesday 08 December 2009 00:05:11 Yinghai Lu wrote:
> > the updated e820 table is the same to the one for 2.6.29...
> >
> > so could be some other patch cause the problem.
> >
> > please check if revert
> > 2547089ca2db132e307ef68848ba029a8ec2f341
> > could help.
> 
> I reverted to one commit before that, which would be
> eaa959df299157e2640fcb3321537501b6afd9e6
> if I am not mistaken. I built and booted that kernel and could reproduce
>  the freeze with it (TBH this was not surprising to me, because I
>  originally pinned down the problem by bisecting the commits and this
>  commit is after the one bisecting found. Am I missing a detail here?)
> 
> But strangely enough the freeze this time produced an oops before it locked
> the machine. I couldn't save it to a file but took a picture. The
>  screenshot is here:
> http://banane.volker-lanz.de/08122009013.jpg
> The oops is _not _reproducable. After a reboot with this same kernel, a
> suspend/resume cycle and some I/O the machine locks again without showing
>  the oops.
> 
> Volker
> 

Any news on this problem? Anything else I can do to help debug the situation? 
The prospect of being confined to distros with kernels < 2.6.29 for the next 
couple of years on this machine worries me, obviously.


Volker

-- 
Volker Lanz
http://www.volker-lanz.de
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