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Re: [Xen-devel] Re: Failure to setup Xen 3.4.1 Dom0 on top of Ubuntu 9.1

from [Boris Derzhavets] [Permanent Link][Original]
To: Christian Tramnitz <chris.ace@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: Failure to setup Xen 3.4.1 Dom0 on top of Ubuntu 9.10 Server HVM DomU ( 2.6.30.2 xenified kernel)
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Date: Sun, 30 Aug 2009 09:22:51 -0700 (PDT)
Cc:
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I've tested both options.

Chris's one works with Grub2, Keir's doesn't.
Distro Ubuntu 9.10 Server (alpha 4.)

Thanks.
Boris.

--- On Sun, 8/30/09, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:

From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: Failure to setup Xen 3.4.1 Dom0 on top of Ubuntu 9.10 Server HVM DomU ( 2.6.30.2 xenified kernel)
To: "Christian Tramnitz" <chris.ace@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Sunday, August 30, 2009, 11:50 AM

On 30/08/2009 14:26, "Christian Tramnitz" <chris.ace@xxxxxxx> wrote:

> Afaik grub2 does not pass the boot parameters "root=/dev/sda2 ro
> console=tty0" to the kernel in multiboot/module combination. I have seen
> the same problem on gentoo/grub2 and also read about this before. (This
> is not really Xen specific, but multiboot related).

Okay, that would clearly be a GRUB regression I think. But there is a simple
enough less ugly workaround than you suggest...

> My workaround was to compile the kernel options as static cmdline into
> the kernel itself...

Better solution would be to append dom0's options to Xen's own command line,
separated by --. E.g.,
multiboot (hd0,1)/xen-3.4.gz console=tty -- root=/dev/sda2 ro console=tty0

-- Keir



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