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Re: [Xen-users] no pci support in xen-3.0.1 with gentoo?

To: Mathias Diehl <md@xxxxxxxxxxxxx>
Subject: Re: [Xen-users] no pci support in xen-3.0.1 with gentoo?
From: Bobber Cheng <bobber.cheng@xxxxxxxxx>
Date: Fri, 10 Feb 2006 19:38:07 +0800
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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Mathias Diehl wrote:
Hi Bobber,

as long as you're using domU this is quite normal that there's no pci device 
transfered to your guest. In order to have access to pci devices yo have to use 
a priviledged kernel (like the dom0 one), hide the pci devices from your dom0 
and allocate them to your guest...

I used privilege kernel on dom0.
I'm not sure if it's already available with 3.0.1 but I've seen some posts on 
the devel list that it's supposed to be back. However following Ian's advise 
from the user list it'll take some time to clean the code so it's better to 
wait for 3.0.2 to use this feature.

cheers,

Mat

-----Original Message-----
Sent: Freitag 10.02.06 19:02:28
Subject: [Xen-users] no pci support in xen-3.0.1 with gentoo?

Hi,

I installed xen-3.0.1 in my gentoo with xen-sources-2.6.12.6-r2. My guest os is rhel4. I found guest os has no pci. I found some message when i boot guest rhel:
....
NET: Registered protocol family 16
ACPI: Subsystem revision 20050309
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
xen_mem: Initialising balloon driver.
SCSI subsystem initialized
Linux Kernel Card Services
options:  [pci] [cardbus]
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
PCI: System does not support PCI
PCI: System does not support PCI
.....

my config file is:

kernel = "/boot/vmlinuz-2.6.12.6-xen-r2-U"
ramdisk = "/boot/initrd-2.6.12.6-xen-r2.img"
memory = 128
name = "rhel4"
ip = "192.168.18.181"
disk = ['file:/mnt/home/xenstore/rhel4.img,sda1,w']
root = "/dev/sda1"
extra = "ro"

Any suggestion?

Bests,
Bobber


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