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Date: Mon, 27 Aug 2012 23:18:46 -0400
From: Bruce Ashfield <bruce.ashfield@windriver.com>
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To: "Saxena, Rahul" <rahul.saxena@intel.com>
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Cc: "yocto@yoctoproject.org" <yocto@yoctoproject.org>, "Hart,
	Darren" <darren.hart@intel.com>
Subject: Re: Poky 1.3_M3 branch does not work with linux-yocto 3.0 kernel ?
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On 12-08-27 8:14 PM, Saxena, Rahul wrote:
> Hi,
>
> I am building a BSP (meta-cedartrail) using 1.3 M3 branch of Poky.
>
> When I try to boot a image such as core-image-sato, I get kernel panic
> and errors such as:
>
> VFS: Cannot open root device “ram0” or unkown-block(0,0)
>
> Please append a correct “root=” boot option; here are the available
>
> partitions:
>
> VFS: unable to mount root fs on unknown block(0,0)
>
> User configuration error – no valid rootfilesystem found
>
> I do see that the root file system exists in
> cedartrail-poky-linux/core-image-sato-1.0-r0/rootfs dir..
>
> I did not see this problem when I uses a earlier commit of the Poky
> master branch.
>
> It seems like something broke with 1.3 M3 branch that prevents a proper
> build with 3.0 kernel. I do need to build my BSP with 3.0 kernel.
>
> (I was also told by Laurentiu Serban that 1.3 M3 Full Pass testing does
> not include testing with the 3.0 kernel)
>
> Any suggestions would be most welcome. I do need to build my BSP with
> the 3.0 kernel.

Hmm. It should work, I booted one not that long ago. Can you force
qemux86 to prefer the 3.0 kernel and see if that boots ? That would
at least start to isolate the potential problem areas.

Bruce

>
> Thanks
>
> Rahul
>