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[Xen-users] Error: Device 2049 (vbd) could not be connected. Path closed or removed during hotplug add: backend/vbd/3/2049 state: 1

Hey folks,

it took me two hole days to come so far: xen kernel starting, xen tools are working etc..
So now I want to create a new domu guest. I created it with xen-create-image --hostname=alfredo --size=8Gb --dist=lenny --memory=512M --ide --dhcp.
But when I am trying to start my new mashine I get the following error: 

xm create alfredo.cfg -c

Using config file "/etc/xen/alfredo.cfg".
Error: Device 2049 (vbd) could not be connected. Path closed or removed during hotplug add: backend/vbd/3/2049 state: 1

Okay. Googled for two hours tried everything like max_loop=64 etc but nothing helped.
One thing I find suspicious is teh following log entry:

kernel-provided name 'evtchn' and NAME= 'xen/evtchn' disagree, please use SYMLINK+= or change the kernel to provide the ...

What does it mean and how can I fix it if necessary?


So here are my releveant logs:

cat /dev/xen

crw------- 1 root root 10, 55 2010-11-12 15:14 evtchn

cat /proc/misc

 54 gntdev
 55 evtchn
 56 network_throughput
 57 network_latency
 58 cpu_dma_latency
 59 device-mapper
  1 psaux
200 tun
 60 pktcdvd
228 hpet
229 fuse
 61 ecryptfs
231 snapshot
 62 rfkill
 63 vga_arbiter

xend-debug.log


Xend started at Fri Nov 12 15:14:48 2010.
cat: /sys/bus/scsi/devices/host0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host0/model: No such file or directory
cat: /sys/bus/scsi/devices/host0/type: No such file or directory
cat: /sys/bus/scsi/devices/host0/rev: No such file or directory
cat: /sys/bus/scsi/devices/host0/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host1/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host1/model: No such file or directory
cat: /sys/bus/scsi/devices/host1/type: No such file or directory
cat: /sys/bus/scsi/devices/host1/rev: No such file or directory
cat: /sys/bus/scsi/devices/host1/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host2/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host2/model: No such file or directory
cat: /sys/bus/scsi/devices/host2/type: No such file or directory
cat: /sys/bus/scsi/devices/host2/rev: No such file or directory
cat: /sys/bus/scsi/devices/host2/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host3/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host3/model: No such file or directory
cat: /sys/bus/scsi/devices/host3/type: No such file or directory
cat: /sys/bus/scsi/devices/host3/rev: No such file or directory
cat: /sys/bus/scsi/devices/host3/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host4/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host4/model: No such file or directory
cat: /sys/bus/scsi/devices/host4/type: No such file or directory
cat: /sys/bus/scsi/devices/host4/rev: No such file or directory
cat: /sys/bus/scsi/devices/host4/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host5/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host5/model: No such file or directory
cat: /sys/bus/scsi/devices/host5/type: No such file or directory
cat: /sys/bus/scsi/devices/host5/rev: No such file or directory
cat: /sys/bus/scsi/devices/host5/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target0:0:0/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target2:0:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target2:0:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target2:0:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target2:0:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target2:0:0/scsi_level: No such file or directory
/usr/local/lib/python2.6/dist-packages/xen/xend/XendAPI.py:548: DeprecationWarning: object.__new__() takes no parameters
  return object.__new__(cls, *args, **kwds)


xend-log

[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2508) XendDomainInfo.constructDomain
[2010-11-12 15:21:24 1789] DEBUG (balloon:220) Balloon: 5127460 KiB free; need 16384; done.
[2010-11-12 15:21:24 1789] DEBUG (XendDomain:464) Adding Domain: 5
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2818) XendDomainInfo.initDomain: 5 256
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2845) _initDomain:shadow_memory=0x0, memory_static_max=0x40000000, memory_static_min=0x0.
[2010-11-12 15:21:24 1789] INFO (image:182) buildDomain os=linux dom=5 vcpus=1
[2010-11-12 15:21:24 1789] DEBUG (image:721) domid          = 5
[2010-11-12 15:21:24 1789] DEBUG (image:722) memsize        = 1024
[2010-11-12 15:21:24 1789] DEBUG (image:723) image          = /boot/vmlinuz-2.6.32.11
[2010-11-12 15:21:24 1789] DEBUG (image:724) store_evtchn   = 1
[2010-11-12 15:21:24 1789] DEBUG (image:725) console_evtchn = 2
[2010-11-12 15:21:24 1789] DEBUG (image:726) cmdline        = root=/dev/sda1 ro ip=:127.0.255.255::::eth0:dhcp 
[2010-11-12 15:21:24 1789] DEBUG (image:727) ramdisk        = 
[2010-11-12 15:21:24 1789] DEBUG (image:728) vcpus          = 1
[2010-11-12 15:21:24 1789] DEBUG (image:729) features       = 
[2010-11-12 15:21:24 1789] DEBUG (image:730) flags          = 0
[2010-11-12 15:21:24 1789] DEBUG (image:731) superpages     = 0
[2010-11-12 15:21:24 1789] INFO (XendDomainInfo:2367) createDevice: vbd : {'uuid': '8ab95ea6-6526-4a0c-f411-ba383f0e7cd8', 'bootable': 1, 'driver': 'paravirtualised', 'dev': 'sda1', 'uname': 'file:/home/xen/domains/alfredo/disk.img', 'mode': 'w'}
[2010-11-12 15:21:24 1789] DEBUG (DevController:95) DevController: writing {'virtual-device': '2049', 'device-type': 'disk', 'protocol': 'x86_64-abi', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vbd/5/2049'} to /local/domain/5/device/vbd/2049.
[2010-11-12 15:21:24 1789] DEBUG (DevController:97) DevController: writing {'domain': 'alfredo', 'frontend': '/local/domain/5/device/vbd/2049', 'uuid': '8ab95ea6-6526-4a0c-f411-ba383f0e7cd8', 'bootable': '1', 'dev': 'sda1', 'state': '1', 'params': '/home/xen/domains/alfredo/disk.img', 'mode': 'w', 'online': '1', 'frontend-id': '5', 'type': 'file'} to /local/domain/0/backend/vbd/5/2049.
[2010-11-12 15:21:24 1789] INFO (XendDomainInfo:2367) createDevice: vbd : {'uuid': 'd3ff0275-40c6-c751-bfac-3acca5ae3100', 'bootable': 0, 'driver': 'paravirtualised', 'dev': 'sda2', 'uname': 'file:/home/xen/domains/alfredo/swap.img', 'mode': 'w'}
[2010-11-12 15:21:24 1789] DEBUG (DevController:95) DevController: writing {'virtual-device': '2050', 'device-type': 'disk', 'protocol': 'x86_64-abi', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vbd/5/2050'} to /local/domain/5/device/vbd/2050.
[2010-11-12 15:21:24 1789] DEBUG (DevController:97) DevController: writing {'domain': 'alfredo', 'frontend': '/local/domain/5/device/vbd/2050', 'uuid': 'd3ff0275-40c6-c751-bfac-3acca5ae3100', 'bootable': '0', 'dev': 'sda2', 'state': '1', 'params': '/home/xen/domains/alfredo/swap.img', 'mode': 'w', 'online': '1', 'frontend-id': '5', 'type': 'file'} to /local/domain/0/backend/vbd/5/2050.
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:3400) Storing VM details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid': '981b6857-ba4a-ee99-3a15-10157f7c55e5', 'on_reboot': 'restart', 'start_time': '1289571684.7', 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'bootloader': '', 'image': "(linux (kernel /boot/vmlinuz-2.6.32.11) (args 'root=/dev/sda1 ro ip=:127.0.255.255::::eth0:dhcp ') (superpages 0) (videoram 4) (pci ()) (nomigrate 0) (tsc_mode 0) (notes (HV_START_LOW 18446603336221196288) (FEATURES '!writable_page_tables|pae_pgdir_above_4gb') (VIRT_BASE 18446744071562067968) (GUEST_VERSION 2.6) (PADDR_OFFSET 0) (GUEST_OS linux) (HYPERCALL_PAGE 18446744071578882048) (LOADER generic) (SUSPEND_CANCEL 1) (PAE_MODE yes) (ENTRY 18446744071587811840) (XEN_VERSION xen-3.0)))", 'name': 'alfredo'}
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:1804) Storing domain details: {'console/ring-ref': '1551972', 'image/entry': '18446744071587811840', 'console/port': '2', 'store/ring-ref': '1551973', 'image/loader': 'generic', 'vm': '/vm/981b6857-ba4a-ee99-3a15-10157f7c55e5', 'control/platform-feature-multiprocessor-suspend': '1', 'image/hv-start-low': '18446603336221196288', 'image/guest-os': 'linux', 'image/virt-base': '18446744071562067968', 'memory/target': '1048576', 'image/guest-version': '2.6', 'image/pae-mode': 'yes', 'description': '', 'console/limit': '1048576', 'image/paddr-offset': '0', 'image/hypercall-page': '18446744071578882048', 'image/suspend-cancel': '1', 'cpu/0/availability': 'online', 'image/features/pae-pgdir-above-4gb': '1', 'image/features/writable-page-tables': '0', 'console/type': 'xenconsoled', 'name': 'alfredo', 'domid': '5', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2010-11-12 15:21:24 1789] DEBUG (DevController:95) DevController: writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0', 'backend': '/local/domain/0/backend/console/5/0'} to /local/domain/5/device/console/0.
[2010-11-12 15:21:24 1789] DEBUG (DevController:97) DevController: writing {'domain': 'alfredo', 'frontend': '/local/domain/5/device/console/0', 'uuid': 'e6aeae7f-98d6-ad03-f279-76e55fcc901b', 'frontend-id': '5', 'state': '1', 'location': '2', 'online': '1', 'protocol': 'vt100'} to /local/domain/0/backend/console/5/0.
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:1891) XendDomainInfo.handleShutdownWatch
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices tap2.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices vif.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices vkbd.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices ioports.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices tap.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices vif2.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices console.
[2010-11-12 15:21:24 1789] DEBUG (DevController:144) Waiting for 0.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices vscsi.
[2010-11-12 15:21:24 1789] DEBUG (DevController:139) Waiting for devices vbd.
[2010-11-12 15:21:24 1789] DEBUG (DevController:144) Waiting for 2049.
[2010-11-12 15:21:24 1789] DEBUG (DevController:628) hotplugStatusCallback /local/domain/0/backend/vbd/5/2049/hotplug-status.
[2010-11-12 15:21:24 1789] DEBUG (DevController:642) hotplugStatusCallback 2.
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:3053) XendDomainInfo.destroy: domid=5
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2411) Destroying device model
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2418) Releasing devices
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2424) Removing console/0
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:1286) XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:2424) Removing vbd/2049
[2010-11-12 15:21:24 1789] DEBUG (XendDomainInfo:1286) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2049
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:2424) Removing vbd/2050
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:1286) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2050
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:2416) No device model
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:2418) Releasing devices
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:2424) Removing vbd/2049
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:1286) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2049
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:2424) Removing vbd/2050
[2010-11-12 15:21:25 1789] DEBUG (XendDomainInfo:1286) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2050
[2010-11-12 15:24:23 1789] DEBUG (SrvServer:76) SrvServer.cleanup()
[2010-11-12 15:24:23 1789] DEBUG (XMLRPCServer:241) XMLRPCServer.cleanup()
[2010-11-12 15:24:23 1789] DEBUG (XMLRPCServer:241) XMLRPCServer.cleanup()
[2010-11-12 15:24:23 1789] DEBUG (XendDomain:632) cleanup_domains
[2010-11-12 15:24:23 1787] INFO (SrvDaemon:220) Xend exited with status 0.

Any idea? Help would be greatly appreciated!

Thanks

--
ESKALON Technology Consulting GmbH
Alter Wandrahm 12 | D-20457 Hamburg | Germany | www.eskalon.de
fon +49 40 7344914-32 | fax +49 40 7344914-79 | mob +49 178 6068166
Amtsgericht Hamburg, HRB 107659
Geschäsfü Manfred Hein, Kolja Fricke
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