Re: [Xen-users] Please help, I get a kernel panic on all DomUs when setting vif in VM config file

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Mon, May 17, 2010 at 11:43 PM, Pierre CHAUSSEE <silversens@xxxxxxxxx> wrote:
> I just don't get it.
> I've been using Xen for quite a long time, never had any trouble on x86, so
> I'm trying to move on an x86_64 platform.
>
> Everything went well (building, booting on Dom0, ...) except that I can only
> start my VMs when vif parameter is not filled !
> When I remove the comment on my "vif  = [ 'type=ioemu, bridge=xenbr0' ]"
> then I get a kernel panic.
>
> Here's my VM config :
>
> kernel = "/usr/lib/xen/boot/hvmloader"

Usually I put this as well:
device_model = '/usr/lib64/xen/bin/qemu-dm'

>
> builder='hvm'
>
> name="test"
> boot='c'
> vnc = 1
> sdl = 0
> memory = 1024   # Memory size
> swap   = 128    # Swap size

where did you get instruction to use "swap" from?

> disk = [ 'phy:vg00/win2008_x64,ioemu:hda,w' ]

for x64 windows, I think you also need to specify
acpi=1
apic=1
pae=1

>
> vif = [ 'type=ioemu, bridge=xenbr0' ]

try removing "type=ioemu"

> keyboard='fr'
>
> And here's the kernel panic output :
>
> $ xm create /etc/xen/first_vm
>
> [  123.729203] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000008
> [  123.729569] IP: [<ffffffff81321416>] netback_uevent+0x1e/0xb6
> [  123.729771] PGD 72afb067 PUD 72aa3067 PMD 0
> [  123.730003] Oops: 0000 [#1] SMP

What dom0 kernel are you using? It's often best to start with
known-good setup first. Centos or Opensuse with their bundled Xen
version is a good start.

-- 
Fajar

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