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Date: Thu, 23 Jan 2014 11:38:51 +0800
From: Dave Young <dyoung@redhat.com>
Subject: Re: [PATCH 0/3] kexec-tools: fix bugs and pass initrd position for arm
Message-ID: <20140123033851.GG3768@dhcp-16-126.nay.redhat.com>
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To: Wang Nan <wangnan0@huawei.com>
Cc: Simon Horman <horms@verge.net.au>, kexec@lists.infradead.org, Geng Hui <hui.geng@huawei.com>

On 01/23/14 at 10:56am, Wang Nan wrote:
> On 2014/1/23 10:47, Dave Young wrote:
> > On 01/22/14 at 06:52pm, Wang Nan wrote:
> >> Hi,
> >>
> >> This patch series contains following bug fixes and cleanups for
> >> kexec-tools on arm platform:
> >>
> >> Wang Nan (3):
> >>   kexec: align initrd when no --image-size
> >>   kexec: pass initrd position in dtb
> >>   kexec: increase zImage compress ratio from 4 to 5
> > 
> > One question:
> > Is these kexec-tools patches enough for kexec work or still need the
> > kernel patches you sent?
> > 
> > Thanks
> > Dave
> > 
> 
> kexec will work without the kernel side patches, but the atag, kernel
> cmdline, dtb information and kernel configuration must be carefully
> adjusted.
> 

It does not work for me with below:
kexec -l /boot/vmlinuz-`uname -r` --append=`cat /proc/cmdline` --dtb vexpress-v2p-ca9.dtb

The dtb and kexec kernel are exactly same with the 1st kernel.
Is there any other things for setup in qemu, but probably it's different from your hardware
setup..

Thanks
Dave

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