linux-kernel - Re: [Fastboot] Kexec with latest kernel fail

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Message-ID: <20061109201118.GB23081@in.ibm.com>
Date:	Thu, 9 Nov 2006 15:11:18 -0500
From:	Vivek Goyal <vgoyal@...ibm.com>
To:	Jay Lan <jlan@....com>
Cc:	Don Zickus <dzickus@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Fastboot mailing list <fastboot@...ts.osdl.org>,
	ebiederm@...ssion.com, "Lu, Yinghai" <yinghai.lu@....com>
Subject: Re: [Fastboot] Kexec with latest kernel fail

On Thu, Nov 09, 2006 at 12:06:38PM -0800, Jay Lan wrote:
> Don Zickus wrote:
> > On Wed, Nov 08, 2006 at 08:07:22PM -0800, Lu, Yinghai wrote:
> >> Eric,
> >>
> >> I got "Invalid memory segment 0x100000 - ..."
> >> using kexec latest kernel...
> > 
> > I usually see this when people forget to add the "crashkernel=X@Y" into
> > their /etc/grub.conf kernel command line.  Where X and Y are arch
> > specific.
> 
> I have had "Invalid memory segment 0x4000000 - 0x4997fff" problem with
> '-l' option _always_. Since my priority was on '-p' i did not spent time
> on debugging this problem yet...
> 
> Maybe this "crashkerenl=X@Y" was the cause of my problem? Some platform
> can not specify a location to load so that it is legal to only specify
> "crashkernel=X" now. Is it possible '-l' code path still expect to
> see Y?
> 

kexec -l patch does not worry about crashkernel=. Only kexec -p path
does. So this is something else.

Thanks
Vivek
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