[root@bob bin]# xm create -c elliot-ns1.bentlogic.net
Using config file "/etc/xen/elliot-ns1.bentlogic.net".
Going to boot (2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU)
  kernel: /boot/vmlinuz-2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU
  initrd: /boot/initrd-2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU.img
Started domain elliot-ns1.bentlogic.net
rtc: IRQ 8 is not free.
i8042.c: No controller found.
vif vif-0: 2 parsing device/vif/0/mac
----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at net/core/dev.c:3226
invalid opcode: 0000 [1] SMP 
CPU 0 
Modules linked in:
Pid: 8, comm: xenwatch Not tainted 2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU #1
RIP: e030:[<ffffffff8029991a>] <ffffffff8029991a>{unregister_netdevice+170}
RSP: e02b:ffff88000060fde8  EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff880000660000 RCX: 0000000000000005
RDX: 0000000000000000 RSI: ffffffff80329371 RDI: ffffffff8038b8e0
RBP: ffff880000660000 R08: 000000000000000a R09: 0000000000000005
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000000fdb8
R13: 00000000fffffffc R14: 0000000000000000 R15: ffffffff80143430
FS:  0000000000000000(0000) GS:ffffffff803bd000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process xenwatch (pid: 8, threadinfo ffff88000060e000, task ffff880000648080)
Stack: ffffffff803135f8 ffff880000660000 ffffffff80248c20 ffff88000000fdb8 
       00000000fffffffc 0000000000000000 ffffffff80143430 ffffffff80299b21 
       ffff880001271940 ffffffff80250cbd 
Call Trace: <ffffffff80248c20>{xenwatch_thread+0} <ffffffff80143430>{keventd_create_kthread+0}
       <ffffffff80299b21>{unregister_netdev+17} <ffffffff80250cbd>{backend_changed+2189}
       <ffffffff80143430>{keventd_create_kthread+0} <ffffffff802475c6>{xenbus_read_driver_state+38}
       <ffffffff80248c20>{xenwatch_thread+0} <ffffffff80143430>{keventd_create_kthread+0}
       <ffffffff80248be5>{xenwatch_handle_callback+21} <ffffffff80248d85>{xenwatch_thread+357}
       <ffffffff80143a20>{autoremove_wake_function+0} <ffffffff80143430>{keventd_create_kthread+0}
       <ffffffff80143a20>{autoremove_wake_function+0} <ffffffff80143430>{keventd_create_kthread+0}
       <ffffffff801433e9>{kthread+217} <ffffffff8010bc82>{child_rip+8}
       <ffffffff80143430>{keventd_create_kthread+0} <ffffffff80143310>{kthread+0}
       <ffffffff8010bc7a>{child_rip+0}

Code: 0f 0b 68 85 ac 33 80 c2 9a 0c f6 85 98 00 00 00 01 74 08 48 
RIP <ffffffff8029991a>{unregister_netdevice+170} RSP <ffff88000060fde8>
 <7>Probing IDE interface ide1...
Probing IDE interface ide2...
Probing IDE interface ide3...
Probing IDE interface ide4...
Probing IDE interface ide5...
ide-floppy driver 0.99.newide
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
NET: Registered protocol family 2