linux-kernel - Re: kexec refuses to boot latest -mm

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Message-ID: <20080103195201.GC6392@linux.vnet.ibm.com>
Date:	Fri, 4 Jan 2008 01:22:01 +0530
From:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	hbabu@...ibm.com, lkml <linux-kernel@...r.kernel.org>,
	kexec@...ts.infradead.org, rjw@...k.pl
Subject: Re: kexec refuses to boot latest -mm

On Mon, Dec 31, 2007 at 10:08:43AM -0500, Vivek Goyal wrote:
> On Sat, Dec 29, 2007 at 11:11:13AM +0530, Dhaval Giani wrote:
> > On Fri, Dec 28, 2007 at 09:27:39AM -0500, Vivek Goyal wrote:
> > > On Fri, Dec 28, 2007 at 06:15:32PM +0530, Dhaval Giani wrote:
> > > > Hi Vivek,
> > > > 
> > > > I can't seem to get the latest -mm (2.6.24-rc6-mm1) to boot with
> > > > kexec. It just gets stuck at "Starting new kernel".
> > > > 
> > > > It does boot normally when booted as the first kernel.
> > > > 
> > > > Any hints debugging? (x86 architecture)
> > > 
> > > I generally try few things.
> > > 
> > > - Specify earlyprintk= parameter for second kernel and see if control
> > >   is reaching to second kernel.
> > > 
> > > - Otherwise specify --console-serial parameter on "kexec -l" commandline
> > >   and it should display a message "I am in purgatory" on serial console.
> > >   This will just mean that control has reached at least till purgatory.
> > > 
> > 
> > Ok, so it reaches till here. I get "I'm in purgatory" on the console.
> 
> One more thing. Is 2.6.24-rc6 working properly?
> 

2.6.24-rc5 boots, so does 2.6.24-rc5-mm1. 2.6.24-rc6 does not boot, nor
does 2.6.24-rc6-mm1. Its a regression.

i will add more outbs and respond back and try a bisect if that does not
help.

Thanks
-- 
regards,
Dhaval
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