[Xen-users] Error: Device 2049 (vbd) could not be connected.

[jonr@xxxxxxxxxx]

I have installed xen 3.3 from the download page and built and  
installed it and have booted into the xenified kernel. When I try to  
'xm create -c <domu>' a domu I keep getting this error:
Error: Device 2049 (vbd) could not be connected. Hotplug scripts not working.

Here is my domu config file:


#  -*- mode: python; -*-
#==========================================================================
kernel = "/boot/vmlinuz-2.6.18.8-xen"
memory = "512"
ramdisk = "/boot/initramfs-domu-xen.cpio.gz"
name = "domutest"
disk = [  
'phy:/dev/rootvg/domutest,sda1,w','phy:/dev/rootvg/domutestswap,sda2,w'  
]
root = "/dev/sda1 ro"
# Network
#vif = [ 'mac=aa:00:00:00:00:14' ]
dhcp="off"
ip="192.168.9.28"
netmask="255.255.255.0"
gateway="192.168.9.1"
hostname="domutest.destar.net"
vcpus="1"
extra = 'xencons=tty1'
#extra = 'xencons=xvc0'
#============================================================================


This is what I am seeing in /var/log/xen/xend.log:
cat /var/log/xen/xend.log
[2008-10-15 05:23:44 2774] DEBUG (XendDomainInfo:89)  
XendDomainInfo.create(['vm', ['name', 'domutest'], ['memory', '512'],  
['vcpus', '1'], ['on_xe
nd_start', 'ignore'], ['on_xend_stop', 'ignore'], ['image', ['linux',  
['kernel', '/boot/vmlinuz-2.6.18.8-xen'], ['ramdisk',  
'/boot/initramfs-domu-
xen.cpio.gz'], ['ip',  
'192.168.9.28:127.0.255.255:192.168.9.1:255.255.255.0:domutest.destar.net:eth0:off'], ['root', '/dev/sda1 ro'], ['args',  
'xe
ncons=tty1']]], ['device', ['vbd', ['uname',  
'phy:/dev/rootvg/domutest'], ['dev', 'sda1'], ['mode', 'w']]],  
['device', ['vbd', ['uname', 'phy:/dev
/rootvg/domutestswap'], ['dev', 'sda2'], ['mode', 'w']]]])
[2008-10-15 05:23:44 2774] DEBUG (XendDomainInfo:2028)  
XendDomainInfo.constructDomain
[2008-10-15 05:23:44 2774] DEBUG (balloon:132) Balloon: 5441920 KiB  
free; need 2048; done.
[2008-10-15 05:23:44 2774] DEBUG (XendDomain:447) Adding Domain: 9
[2008-10-15 05:23:44 2774] DEBUG (XendDomainInfo:2134)  
XendDomainInfo.initDomain: 9 256
[2008-10-15 05:23:44 2774] DEBUG (XendDomainInfo:2215)  
_initDomain:shadow_memory=0x0, memory_static_max=0x20000000,  
memory_static_min=0x0.
[2008-10-15 05:23:44 2774] DEBUG (balloon:132) Balloon: 5441920 KiB  
free; need 526336; done.
[2008-10-15 05:23:44 2774] INFO (image:166) buildDomain os=linux dom=9 vcpus=1
[2008-10-15 05:23:44 2774] DEBUG (image:631) domid          = 9
[2008-10-15 05:23:44 2774] DEBUG (image:632) memsize        = 512
[2008-10-15 05:23:44 2774] DEBUG (image:633) image          =  
/boot/vmlinuz-2.6.18.8-xen
[2008-10-15 05:23:44 2774] DEBUG (image:634) store_evtchn   = 1
[2008-10-15 05:23:44 2774] DEBUG (image:635) console_evtchn = 2
[2008-10-15 05:23:44 2774] DEBUG (image:636) cmdline        =  
root=/dev/sda1 ro  
ip=192.168.9.28:127.0.255.255:192.168.9.1:255.255.255.0:domutest.d
estar.net:eth0:off xencons=tty1
[2008-10-15 05:23:44 2774] DEBUG (image:637) ramdisk        =  
/boot/initramfs-domu-xen.cpio.gz
[2008-10-15 05:23:44 2774] DEBUG (image:638) vcpus          = 1
[2008-10-15 05:23:44 2774] DEBUG (image:639) features       =
[2008-10-15 05:23:45 2774] INFO (XendDomainInfo:1900) createDevice:  
vbd : {'uuid': '5348ca8a-e9dd-fab4-c5f0-20e82fbe9723', 'bootable': 1,  
'driver'
: 'paravirtualised', 'dev': 'sda1', 'uname':  
'phy:/dev/rootvg/domutest', 'mode': 'w'}
[2008-10-15 05:23:45 2774] DEBUG (DevController:122) DevController:  
writing {'virtual-device': '2049', 'device-type': 'disk', 'protocol':  
'x86_32-
abi', 'backend-id': '0', 'state': '1', 'backend':  
'/local/domain/0/backend/vbd/9/2049'} to  
/local/domain/9/device/vbd/2049.
[2008-10-15 05:23:45 2774] DEBUG (DevController:124) DevController:  
writing {'domain': 'domutest', 'frontend':  
'/local/domain/9/device/vbd/2049',
'uuid': '5348ca8a-e9dd-fab4-c5f0-20e82fbe9723', 'dev': 'sda1',  
'state': '1', 'params': '/dev/rootvg/domutest', 'mode': 'w', 'online':  
'1', 'fronte
nd-id': '9', 'type': 'phy'} to /local/domain/0/backend/vbd/9/2049.
[2008-10-15 05:23:45 2774] INFO (XendDomainInfo:1900) createDevice:  
vbd : {'uuid': 'ebbbd432-c5ea-f2eb-59e5-de6355eb0f3c', 'bootable': 0,  
'driver'
: 'paravirtualised', 'dev': 'sda2', 'uname':  
'phy:/dev/rootvg/domutestswap', 'mode': 'w'}
[2008-10-15 05:23:45 2774] DEBUG (DevController:122) DevController:  
writing {'virtual-device': '2050', 'device-type': 'disk', 'protocol':  
'x86_32-
abi', 'backend-id': '0', 'state': '1', 'backend':  
'/local/domain/0/backend/vbd/9/2050'} to  
/local/domain/9/device/vbd/2050.
[2008-10-15 05:23:45 2774] DEBUG (DevController:124) DevController:  
writing {'domain': 'domutest', 'frontend':  
'/local/domain/9/device/vbd/2050',
'uuid': 'ebbbd432-c5ea-f2eb-59e5-de6355eb0f3c', 'dev': 'sda2',  
'state': '1', 'params': '/dev/rootvg/domutestswap', 'mode': 'w',  
'online': '1', 'fr
ontend-id': '9', 'type': 'phy'} to /local/domain/0/backend/vbd/9/2050.
[2008-10-15 05:23:45 2774] DEBUG (XendDomainInfo:2729) Storing VM  
details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid':  
'cf542124-5234
-aeb9-bae8-2ef0c38f246a', 'on_reboot': 'restart', 'start_time':  
'1224077025.47', 'on_poweroff': 'destroy', 'on_xend_start': 'ignore',  
'on_crash':
'restart', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1',  
'image': "(linux (kernel /boot/vmlinuz-2.6.18.8-xen) (ramdisk  
/boot/initram
fs-domu-xen.cpio.gz) (args 'root=/dev/sda1 ro  
ip=192.168.9.28:127.0.255.255:192.168.9.1:255.255.255.0:domutest.destar.net:eth0:off  
xencons=tty1')
(notes (HV_START_LOW 4118806528) (FEATURES  
'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor
_mode_kernel') (VIRT_BASE 3221225472) (GUEST_VERSION 2.6)  
(PADDR_OFFSET 3221225472) (GUEST_OS linux) (HYPERCALL_PAGE 3222278144)  
(LOADER generic)
(SUSPEND_CANCEL 1) (PAE_MODE yes) (ENTRY 3222274048) (XEN_VERSION  
xen-3.0)))", 'name': 'domutest'}
[2008-10-15 05:23:45 2774] DEBUG (XendDomainInfo:1359) Storing domain  
details: {'console/ring-ref': '1749619', 'image/entry': '3222274048',  
'conso
le/port': '2', 'store/ring-ref': '1749620', 'image/loader': 'generic',  
'vm': '/vm/cf542124-5234-aeb9-bae8-2ef0c38f246a',  
'control/platform-feature
-multiprocessor-suspend': '1', 'image/hv-start-low': '4118806528',  
'image/guest-os': 'linux',  
'image/features/writable-descriptor-tables': '1', 'i
mage/virt-base': '3221225472', 'memory/target': '524288',  
'image/guest-version': '2.6', 'image/features/supervisor-mode-kernel':  
'1', 'image/pae-m
ode': 'yes', 'console/limit': '1048576', 'image/paddr-offset':  
'3221225472', 'image/hypercall-page': '3222278144',  
'image/suspend-cancel': '1', 'c
pu/0/availability': 'online', 'image/features/pae-pgdir-above-4gb':  
'1', 'image/features/writable-page-tables': '1', 'console/type':  
'xenconsoled'
, 'image/features/auto-translated-physmap': '1', 'name': 'domutest',  
'domid': '9', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2008-10-15 05:23:45 2774] DEBUG (DevController:122) DevController:  
writing {'protocol': 'x86_32-abi', 'state': '1', 'backend-id': '0',  
'backend':
 '/local/domain/0/backend/console/9/0'} to /local/domain/9/device/console/0.
[2008-10-15 05:23:45 2774] DEBUG (DevController:124) DevController:  
writing {'domain': 'domutest', 'frontend':  
'/local/domain/9/device/console/0',
 'uuid': 'edc26826-48fa-c3d2-6f4d-ab105d581c03', 'frontend-id': '9',  
'state': '1', 'location': '2', 'online': '1', 'protocol': 'vt100'} to  
/local/
domain/0/backend/console/9/0.
[2008-10-15 05:23:45 2774] DEBUG (XendDomainInfo:1443)  
XendDomainInfo.handleShutdownWatch
[2008-10-15 05:23:45 2774] DEBUG (DevController:155) Waiting for devices vif.
[2008-10-15 05:23:45 2774] DEBUG (DevController:155) Waiting for  
devices vscsi.
[2008-10-15 05:23:45 2774] DEBUG (DevController:155) Waiting for devices vbd.
[2008-10-15 05:23:45 2774] DEBUG (DevController:160) Waiting for 2049.
[2008-10-15 05:23:45 2774] DEBUG (DevController:645)  
hotplugStatusCallback /local/domain/0/backend/vbd/9/2049/hotplug-status.
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:2389)  
XendDomainInfo.destroy: domid=9
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:2406)  
XendDomainInfo.destroyDomain(9)
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:1939) Destroying device model
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:1946) Releasing devices
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:1952) Removing vbd/2049
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:888)  
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2049
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:1952) Removing vbd/2050
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:888)  
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2050
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:1952) Removing console/0
[2008-10-15 05:25:25 2774] DEBUG (XendDomainInfo:888)  
XendDomainInfo.destroyDevice: deviceClass = console, device = console/0

Is there anything glaringly obvious that I am missing?

Thanks for any help.

Jon







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