linux-kernel - Re: 3.0 -> 3.10 regression? poweroff instead of reboot?

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Message-ID: <20140402135812.GI3339@pcnci.linuxbox.cz>
Date:	Wed, 2 Apr 2014 15:58:12 +0200
From:	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
To:	"Winkler, Tomas" <tomas.winkler@...el.com>
Cc:	"Greg KH (gregkh@...uxfoundation.org)" <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
Subject: Re: 3.0 -> 3.10 regression? poweroff instead of reboot?

Hi Tomas,

bad news, we just had failed boot with 3.10.35 with your patch:

last line was:

mei_me 0000:00:16.0: wait hw ready failed. status = -110

so it can probably happen that boot hangs on mei_me init attempt..

colleague just told me it also happened to him with 3.13 kernel,
however I don't have more info on that case..

if I can provide more information, please let me know.

BR

nik

On Mon, Mar 31, 2014 at 12:05:20PM +0000, Winkler, Tomas wrote:
> 
> > 
> > Hi Tomas,
> > 
> > > If this is a server platform can you please try this patch
> > https://lkml.org/lkml/2014/3/25/396
> > 
> > tried 3.10.35 with Your patch and now I can see following in dmesg:
> > 
> > [  +0.000290] mei_me 0000:00:16.0: Device doesn't have valid ME Interface
> > [  +0.007656] mei_me 0000:00:16.0: initialization failed.
> > 
> > now reboot works as expected. Once this hits ustream (if it hasn't already),
> > this could go to -stable, do You agree?
> > 
> > thanks!
> > 
> I definitely asked for adding it to stable. Would you wish to add you tested-by to the patch?. 
> Tomas
> 
> 

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