WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] PCI Passthrough without VT-d

To: Paolo Rivetti <natecult@xxxxxx>
Subject: Re: [Xen-users] PCI Passthrough without VT-d
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Sun, 21 Mar 2010 22:56:35 +0200
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, "Sergio Charpinel Jr." <sergiocharpinel@xxxxxxxxx>
Delivery-date: Sun, 21 Mar 2010 13:58:13 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <89247D9E-7E35-40A1-8162-44A1A2C5DCE9@xxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <fca1d54a1003080628l249219f1s90d5f7b74cc3e9df@xxxxxxxxxxxxxx> <20100308144746.GV2580@xxxxxxxxxxx> <fca1d54a1003080704n16c1b976tab0b3140f3e261fc@xxxxxxxxxxxxxx> <fca1d54a1003090416g52147100yca39917f6d1915bc@xxxxxxxxxxxxxx> <20100309124647.GN2580@xxxxxxxxxxx> <fca1d54a1003090536k60f8dd55l624a2c99fc41e422@xxxxxxxxxxxxxx> <fca1d54a1003150625o32b5459j6607a8a9d880ac72@xxxxxxxxxxxxxx> <fca1d54a1003150715g45a4add0p160883bc5fd98fa7@xxxxxxxxxxxxxx> <fca1d54a1003161020i42c274e9r14b77a9f75c0ef2e@xxxxxxxxxxxxxx> <89247D9E-7E35-40A1-8162-44A1A2C5DCE9@xxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
On Sun, Mar 21, 2010 at 09:19:44PM +0100, Paolo Rivetti wrote:
>    I can not assign the PCI card to the PV guest.
>    When I start the machine I get the error: non-page-aligned MMIO BAR found
>    I have the same configuration
>    I'm using CentOS 5.4 and Xen 3.4.2
>    I recompiled the kernel enabling PCI Backend inside the kernel (not as
>    module) and PCI Backend Mode to Passthrogh.
>    This is my grub.conf configuration
>    title CentOS (2.6.18.8-xen-d2)
>            root (hd0,0)
>            kernel /xen.gz
>            module /vmlinuz-2.6.18.8-xen-d2 ro root=/dev/vg0/lv0 rhgb quiet
>    noreboot dom0_mem=1024M pciback.permissive pciback.hide=(0000:01:00.0)
>            module /initrd-2.6.18.8-xen-d2.img
>    xm create -c /etc/xen/of0
>    Using config file "/etc/xen/of0".
>    Error: pci: 0000:01:00.0: non-page-aligned MMIO BAR found.
>    There are a lot of emails on the internet, but few solutions, some have no
>    idea what it is?

Did you try the reassigndev= option? 

That should fix the "non-page-aligned MMIO BAR found" issue.

-- Pasi



_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

<Prev in Thread] Current Thread [Next in Thread>