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RE: [Xen-devel] xen + debian packages + megaraid driver

To: "michal urbanski" <michal@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] xen + debian packages + megaraid driver
From: "Tom Hibbert" <tom@xxxxxxxxx>
Date: Tue, 8 Mar 2005 09:32:40 +1300
Delivery-date: Mon, 07 Mar 2005 20:33:52 +0000
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Thread-topic: [Xen-devel] xen + debian packages + megaraid driver

>My problem is that I'm unable to compile in support for a megaraid
device into my domain0 kernel. >What follows is the detailed description
of my problem:

>I'm trying to make a domain0 2.6.10 kernel for a Dell SMP box, and as
such I need to have the megaraid driver compiled in. I found some
semi-official looking debian [1]packages for xen 2.0.4, and this is the
process I followed:

>1) installed fresh kernel sources for 2.6.10
>2) instaled those debian packages for xen
>3) ran /usr/src/kernel-patches/i386/apply/xen to patch vanilla sources
>4) did "make ARCH=xen menuconfig" at source toplevel to configure

>now, at this stage, I was unable to select the driver I wanted from
device drivers->scsi device >support->scsi lowlevel drivers. Normally,
this is where one finds the megaraid driver, but after >applying the xen
patches, almost no lowlevel scsi drivers are available (nothing, except
for "Serial >ATA Support" and "SCSI Debugging Host Simulator".

>Now, is my problem a faulty kernel patch, or do I have to do something
else to get the megaraid >driver compiled in? The kernel that I have
been able to build boots fine, except for not being to >find my root
dir, due to it being on that raid device.

Sounds like you havent enabled Priviliged Operation (Domain 0) under the
XEN options in menuconfig. Also choose "Physical device access".

Hope this helps


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