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

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Error: Device 2049 (vbd) could not be connected.
From: jonr@xxxxxxxxxx
Date: Wed, 15 Oct 2008 13:30:39 -0800
Delivery-date: Wed, 15 Oct 2008 14:31:21 -0700
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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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