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Re: [Xen-users] Module error in mkinitrd

To: Xen User List <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Module error in mkinitrd
From: Jeff McCune <mccune@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 07 Nov 2005 13:43:17 -0500
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John A. Sullivan III wrote:
>>>We are happily running xen on a server which uses a SATA driver (thank
>>>you all you xenists for producing such a great product).  However, we
>>>are creating a custom kernel for a domU.  When we attempt to run
>>>mkinitrd we get:
>>>No module ata_piix found for kernel, aborting.
>>>This is the SATA driver.  In the past (xen 2.0.5), we simply ran make
>>>ARCH=xen menuconfig and told it to build a module for the low level scsi
>>>driver for ata_piix.  That was simply to eliminate the error as I do not
>>>think the domU actually needs the SATA driver.
>>This is a configuration issue with mkinitrd.  Configuring mkinitrd to
>>exclude modules you don't need in domU's should fix this issue.
>>Remember, you're building an initial ram disk for a domU and not dom0,
>>so you don't need many modules.
> That's what I would have thought.  Pardon my ignorance but how does one
> configure mkinitrd to exclude these modules? Thanks - John
> <snip>

configuring mkinitrd is a distribution specific issue.  Check man
mkinitrd for your dom0 distribution.

mkinitrd is tricky because it assumes you're making an initial ram disk
for the system you're on (dom0) but you actually want to configure it
for the domU which is compltely different.

Jeff McCune
OSU Department of Mathematics System Support
(614) 292-4962
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