[Xen-users] Error: Device 0 (vif) could not be connected. Hotplug scripts not working

[John/SML <john@xxxxxxxxxxxxxxxxx>]

Dear Fajar,

Thank you for your prompt reply.

>> I used the kernel config on Ubuntu Xen documentation and succeeded to
>> compile Xen 4.0.1 on Ubuntu 10.04.02 LTS :-
>> A blank console screen appeared for 1 min and then returned an error "Error:
>> Device 0 (vif) could not be connected. Hotplug scripts not working".
>> vif = [ 'type=ioemu, bridge=xenbr0' ]

>Some simple checks:
>- do you have udevd running?
>- do you have a bridge called xenbr0 (try running "brctl show")

Yes, the vdevd is running and the bridge xenbr0 is available :-

bridge name        bridge id                STP enabled        interfaces
xenbr0                8000.782bcb0892e9        no                peth0

I see no clue from the xen logs (see below). I hope someone could point me what went wrong. 

Thanks a lot.

John Mok

=== begin of smlxsv1 config ===

# -*- mode: python; -*-

import os, re
arch = os.uname()[4]
if re.search('64', arch):
        arch_libdir = 'lib64'
else:
        arch_libdir = 'lib'

kernel = "/usr/lib/xen/boot/hvmloader"
builder = 'hvm'
memory = 1024
shadow_memory = 8
name = "smlxsv1"
vif = [ 'type=ioemu, bridge=xenbr0' ]
disk = [ 'phy:/dev/volgroup1/smlxsv1-disk0,ioemu:hda,w', 'phy:/dev/volgroup1/smlxsv1-disk1,ioemu:hdb,w', 'file:/var/tmp/win2k3-x64-cd1.iso,ioemu:hdc:cdrom,r' ]
boot = "d"

device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
sdl=1
vnc=0
vncpasswd = ''

=== end of smlxsv1 config ===

=== begin of qemu log ===

domid: 3
config qemu network with xen bridge for  tap3.0 xenbr0
Using file /dev/volgroup1/smlxsv1-disk0 in read-write mode
Using file /dev/volgroup1/smlxsv1-disk1 in read-write mode
Using file /var/tmp/win2k3-x64-cd1.iso in read-only mode
Watching /local/domain/0/device-model/3/logdirty/cmd
Watching /local/domain/0/device-model/3/command
qemu_map_cache_init nr_buckets = 10000 size 4194304
shared page at pfn feffd
buffered io page at pfn feffb
Guest uuid = c55e71c1-928c-5cd5-394d-eff39479e4ba
Time offset set 0
populating video RAM at ff000000
mapping video RAM from ff000000
Register xen platform.
Done register platform.
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is rw state.
xs_read(/local/domain/0/device-model/3/xen_extended_power_mgmt): read error
medium change watch on `hdc' (index: 2): /var/tmp/win2k3-x64-cd1.iso
I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
Log-dirty: no command yet.
xs_read(/local/domain/3/log-throttling): read error
qemu: ignoring not-understood drive `/local/domain/3/log-throttling'
medium change watch on `/local/domain/3/log-throttling' - unknown device, ignored

=== end of qemu log ===




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