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Re: [Xen-devel] pvops Domain 0 Creased when boot Xen-unstable on Ubuntu1

To: Bei Guan <gbtju85@xxxxxxxxx>
Subject: Re: [Xen-devel] pvops Domain 0 Creased when boot Xen-unstable on Ubuntu10.04
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Wed, 18 May 2011 09:11:58 +0100
Cc: Todd Deshane <todd.deshane@xxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Andrei Warkentin <andreiw@xxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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On Wed, 2011-05-18 at 08:43 +0100, Bei Guan wrote:
> 2011/5/18 Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
>         On Wed, 2011-05-18 at 08:13 +0100, Bei Guan wrote:
>         >
>         > Some boot information got from initramfs is list below. It
>         seems that
>         > the /dev/sda9 is available, but there no drivers module
>         > in /proc/modules. I also can't mount /dev/sda9 to other
>         directory. So,
>         > what's the problem with it? And if a device that need to be
>         mount
>         > can't be found in the /dev, what should I do to make it
>         available?
>         Do you have the appropriate filesystem support either
>         configured
>         statically into your kernel or configured a module which has
>         been placed
>         in the initramfs and is loaded as necessary?
> Do you mean that the initramfs needs a configure file or module to
> load the filesystem? And I need to give the configure file or module? 

We are really getting into xen-users@ territory here since this is
clearly a user level configuration/understanding issue and not a Xen, or
even Linux, code problem.

You need to make sure that your kernel's .config includes support for
the your root filesystem. If that support is =m then you also need to
ensure the module is loaded by the initramfs, perhaps this will happen
automatically once your kernel config is correct otherwise you need to
consult your distro documentation.


> Thanks,
> Bei Guan
>         Ian.

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