Re: [Xen-devel] PCI devices missing from domU in pv kernel, hvm OK.

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Jun 10, 2010 at 04:25:54PM -0700, Bruce Edge wrote:
> I had hvm domU working fine. This problem is specific to my pv-ops
> config. I'm not seeing any PCI devices after I bring up the domU. I
> was able to get this working as an hvm instance, but not pv.
> I'd appreciate if anyone could offer some insight as to why I can't
> see the PCI devices in domU.
> 
> I've gone through these
> http://wiki.xensource.com/xenwiki/XenPCIpassthrough
> 

It seems you're missing the required kernel parameters for the domU kernel..
They're described on that wiki page.


> 
> Here's the domU boot log:
>         root       = /dev/nfs
>         nfs_server = 135.149.75.134
>         nfs_root   = /home/root,tcp
>         initrd     = /import/root/boot/initrd.img-2.6.32.14.nfs
>         builder      = linux
>         kernel       =
> /import/kaan/bedge/dev_kaan_kernel.kaan.debug/root/boot/vmlinuz-2.6.32.14
>         memory       = 4096
>         extra        =  root=/dev/nfs ip=dhcp  raid=noautodetect
> bigphysarea=128000 kdb=on nmi_watchdog=1 init_cpus=0 console=hvc0

> [    0.000000] Command line:
> nfsroot=135.149.75.134:/home/bedge/dev_kaan_kernel.kaan.debug/root,tcp
>  root=/dev/nfs ip=dhcp  raid=noautodetect bigphysarea=128000 kdb=on
> nmi_watchdog=1 init_cpus=0 console=hvc0
>

-- Pasi


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