[Xen-devel] XM create issue: Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

[avinash singh <avi2003itbhu@xxxxxxxxx>]

Hi All,

I am new to xen community. I am trying to setup Xen3.4.2 +FC11 Dom0 environs for lennovo T400.  I have installed all prerequisite component for running xen and booted it.

while I am trying to create DomU I am getting error. I tried doing googling but none of suggested solution is working for me. For more details please see below,  I have highlighted few details in bold color just for better & quick visibility.  
I feel this is issue with 3.4.2. 

[root@localhost rules.d]# brctl show

bridge name     bridge id               STP enabled     interfaces

eth0            8000.001c2596e32b       no              peth0

pan0            8000.000000000000       no

virbr0          8000.000000000000       yes

[root@localhost xen]# cat test|grep -i vif

vif = [ 'type=ioemu, bridge=eth0' ]

root@localhost xen]# xm create test
Using config file "./test".

Error: Device 0 (vif) could not be connected. Hotplug scripts not working.


Looking the xend.log, I can see that, vif  virtual interface device is created and  for status it is waiting in dom0(backend side) for hotplug callback status of device... for more details see below full xend.log,  I have highlighted vif log details in red color just for better visibility... Please guide me through my installation.


[2009-11-20 12:24:17 2005] DEBUG (XendDomainInfo:92) XendDomainInfo.create(['vm', ['name', 'winHVMDomain'], ['memory', 1024], ['shadow_memory', 8], ['vcpus', 1], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['image', ['hvm', ['kernel', '/usr/lib/xen/boot/hvmloader'], ['videoram', 4], ['device_model', '/usr/lib/xen/bin/qemu-dm'], ['pae', 1], ['vcpus', 1], ['boot', 'cda'], ['fda', ''], ['fdb', ''], ['timer_mode', 1], ['localtime', 0], ['serial', 'pty'], ['stdvga', 0], ['isa', 0], ['nographic', 0], ['soundhw', ''], ['vnc', 1], ['vncdisplay', 1], ['vncunused', 1], ['vnclisten', '127.0.0.1'], ['xauthority', '/root/.Xauthority'], ['rtc_timeoffset', 0], ['monitor', 0], ['acpi', 1], ['apic', 1], ['usb', 0], ['usbdevice', 'tablet'], ['keymap', ''], ['pci', []], ['hpet', 0], ['guest_os_type', 'default'], ['hap', 1], ['cpuid', []], ['cpuid_check', []], ['viridian', 0], ['pci_msitranslate', 1], ['vpt_align', 1], ['pci_power_mgmt', 0], ['xen_platform_pci', 1]]], ['s3_integrity', 1], ['device', ['vbd', ['uname', 'file:/root/xen.img'], ['dev', 'hda'], ['mode', 'w']]], ['device', ['vbd', ['uname', 'file:/root/win.iso'], ['dev', 'cdrom'], ['mode', 'r']]], ['device', ['vif', ['bridge', 'eth0'], ['type', 'ioemu']]]])
[2009-11-20 12:24:17 2005] DEBUG (XendDomainInfo:2304) XendDomainInfo.constructDomain
[2009-11-20 12:24:17 2005] DEBUG (balloon:166) Balloon: 1067752 KiB free; need 4096; done.
[2009-11-20 12:24:17 2005] DEBUG (XendDomain:453) Adding Domain: 2
[2009-11-20 12:24:17 2005] DEBUG (XendDomainInfo:2505) XendDomainInfo.initDomain: 2 256
[2009-11-20 12:24:17 2005] DEBUG (image:322) No VNC passwd configured for vfb access
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: boot, val: cda
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: fda, val: None
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: fdb, val: None
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: soundhw, val: None
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: localtime, val: 0
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: serial, val: ['pty']
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: std-vga, val: 0
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: isa, val: 0
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: acpi, val: 1
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: usb, val: 0
[2009-11-20 12:24:17 2005] DEBUG (image:813) args: usbdevice, val: tablet
[2009-11-20 12:24:17 2005] INFO (image:749) Need to create platform device.[domid:2]
[2009-11-20 12:24:17 2005] DEBUG (XendDomainInfo:2529) _initDomain:shadow_memory=0x8, memory_static_max=0x40000000, memory_static_min=0x0.
[2009-11-20 12:24:17 2005] DEBUG (balloon:166) Balloon: 1066468 KiB free; need 1065984; done.
[2009-11-20 12:24:17 2005] INFO (image:173) buildDomain os=hvm dom=2 vcpus=1
[2009-11-20 12:24:17 2005] DEBUG (image:866) domid          = 2
[2009-11-20 12:24:17 2005] DEBUG (image:867) image          = /usr/lib/xen/boot/hvmloader
[2009-11-20 12:24:17 2005] DEBUG (image:868) store_evtchn   = 2
[2009-11-20 12:24:17 2005] DEBUG (image:869) memsize        = 1024
[2009-11-20 12:24:17 2005] DEBUG (image:870) target         = 1024
[2009-11-20 12:24:17 2005] DEBUG (image:871) vcpus          = 1
[2009-11-20 12:24:18 2005] DEBUG (image:872) acpi           = 1
[2009-11-20 12:24:18 2005] DEBUG (image:873) apic           = 1
[2009-11-20 12:24:18 2005] INFO (XendDomainInfo:2168) createDevice: vfb : {'vncunused': 1, 'other_config': {'vncunused': 1, 'vnclisten': '127.0.0.1', 'vnc': '1', 'vncdisplay': 1}, 'vnc': '1', 'uuid': '1585ac69-1b11-f212-1cd5-3f9c791c7d37', 'vnclisten': '127.0.0.1', 'vncdisplay': 1}
[2009-11-20 12:24:18 2005] DEBUG (DevController:95) DevController: writing {'state': '1', 'backend-id': '0', 'backend': '/local/domain/0/backend/vfb/2/0'} to /local/domain/2/device/vfb/0.
[2009-11-20 12:24:18 2005] DEBUG (DevController:97) DevController: writing {'vncunused': '1', 'domain': 'winHVMDomain', 'vnc': '1', 'uuid': '1585ac69-1b11-f212-1cd5-3f9c791c7d37', 'frontend-id': '2', 'vnclisten': '127.0.0.1', 'vncdisplay': '1', 'state': '1', 'online': '1', 'frontend': '/local/domain/2/device/vfb/0'} to /local/domain/0/backend/vfb/2/0.
[2009-11-20 12:24:18 2005] INFO (XendDomainInfo:2168) createDevice: vbd : {'uuid': 'cbba8159-51ae-ab49-1d07-c26cc7f6af36', 'bootable': 1, 'driver': 'paravirtualised', 'dev': 'hda', 'uname': 'file:/root/xen.img', 'mode': 'w'}
[2009-11-20 12:24:18 2005] DEBUG (DevController:95) DevController: writing {'backend-id': '0', 'virtual-device': '768', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/2/768'} to /local/domain/2/device/vbd/768.
[2009-11-20 12:24:18 2005] DEBUG (DevController:97) DevController: writing {'domain': 'winHVMDomain', 'frontend': '/local/domain/2/device/vbd/768', 'uuid': 'cbba8159-51ae-ab49-1d07-c26cc7f6af36', 'bootable': '1', 'dev': 'hda', 'state': '1', 'params': '/root/xen.img', 'mode': 'w', 'online': '1', 'frontend-id': '2', 'type': 'file'} to /local/domain/0/backend/vbd/2/768.
[2009-11-20 12:24:18 2005] INFO (XendDomainInfo:2168) createDevice: vbd : {'uuid': '395cfd84-3de3-aaf7-608c-af63db0b5742', 'bootable': 0, 'driver': 'paravirtualised', 'dev': 'cdrom', 'uname': 'file:/root/win.iso', 'mode': 'r'}
[2009-11-20 12:24:18 2005] DEBUG (DevController:95) DevController: writing {'backend-id': '0', 'virtual-device': '2816', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/2/2816'} to /local/domain/2/device/vbd/2816.
[2009-11-20 12:24:18 2005] DEBUG (DevController:97) DevController: writing {'domain': 'winHVMDomain', 'frontend': '/local/domain/2/device/vbd/2816', 'uuid': '395cfd84-3de3-aaf7-608c-af63db0b5742', 'bootable': '0', 'dev': 'cdrom', 'state': '1', 'params': '/root/win.iso', 'mode': 'r', 'online': '1', 'frontend-id': '2', 'type': 'file'} to /local/domain/0/backend/vbd/2/2816.
[2009-11-20 12:24:18 2005] INFO (XendDomainInfo:2168) createDevice: vif : {'bridge': 'eth0', 'mac': '00:16:3e:66:60:cf', 'type': 'ioemu', 'uuid': '5d23eadf-6a0b-fb8b-296d-a7d7966894e9'}
[2009-11-20 12:24:18 2005] DEBUG (DevController:95) DevController: writing {'state': '1', 'backend-id': '0', 'backend': '/local/domain/0/backend/vif/2/0'} to /local/domain/2/device/vif/0.
[2009-11-20 12:24:18 2005] DEBUG (DevController:97) DevController: writing {'bridge': 'eth0', 'domain': 'winHVMDomain', 'handle': '0', 'uuid': '5d23eadf-6a0b-fb8b-296d-a7d7966894e9', 'script': '/etc/xen/scripts/vif-bridge', 'mac': '00:16:3e:66:60:cf', 'frontend-id': '2', 'state': '1', 'online': '1', 'frontend': '/local/domain/2/device/vif/0', 'type': 'ioemu'} to /local/domain/0/backend/vif/2/0.
[2009-11-20 12:24:18 2005] INFO (image:394) spawning device models: /usr/lib/xen/bin/qemu-dm ['/usr/lib/xen/bin/qemu-dm', '-d', '2', '-domain-name', 'winHVMDomain', '-videoram', '4', '-vnc', '127.0.0.1:1', '-vncunused', '-vcpus', '1', '-boot', 'cda', '-serial', 'pty', '-acpi', '-usbdevice', 'tablet', '-net', 'nic,vlan=1,macaddr=00:16:3e:66:60:cf,model=rtl8139', '-net', 'tap,vlan=1,ifname=tap2.0,bridge=eth0', '-M', 'xenfv']
[2009-11-20 12:24:18 2005] INFO (image:443) device model pid: 2618
[2009-11-20 12:24:18 2005] INFO (image:531) waiting for sentinel_fifo[2009-11-20 12:24:18 2005] DEBUG (XendDomainInfo:3060) Storing VM details: {'on_xend_stop': 'ignore', 'shadow_memory': '9', 'uuid': '6801e5fe-6fb0-08fe-dac5-a4d78a1eaffb', 'on_reboot': 'restart', 'start_time': '1258700058.32', 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'bootloader': '', 'image': '(hvm (kernel ) (timer_mode 1) (videoram 4) (vnc 1) (vpt_align 1) (nographic 0) (hpet 0) (rtc_timeoffset 0) (vnclisten 127.0.0.1) (vncdisplay 1) (loader /usr/lib/xen/boot/hvmloader) (pci ()) (pci_msitranslate 1) (guest_os_type default) (apic 1) (serial pty) (xen_platform_pci 1) (hap 1) (monitor 0) (device_model /usr/lib/xen/bin/qemu-dm) (boot cda) (pci_power_mgmt 0) (usbdevice tablet) (pae 1) (stdvga 0) (usb 0) (xauthority /root/.Xauthority) (isa 0) (viridian 0) (acpi 1) (vncunused 1) (localtime 0) (notes (SUSPEND_CANCEL 1)))', 'name': 'winHVMDomain'}[2009-11-20 12:24:18 2005] DEBUG (XendDomainInfo:1622) Storing domain details: {'console/port': '3', 'name': 'winHVMDomain', 'console/limit': '1048576', 'store/port': '2', 'vm': '/vm/6801e5fe-6fb0-08fe-dac5-a4d78a1eaffb', 'domid': '2', 'image/suspend-cancel': '1', 'cpu/0/availability': 'online', 'memory/target': '1048576', 'control/platform-feature-multiprocessor-suspend': '1', 'store/ring-ref': '1044476', 'console/type': 'ioemu'}
[2009-11-20 12:24:18 2005] DEBUG (DevController:95) DevController: writing {'state': '1', 'backend-id': '0', 'backend': '/local/domain/0/backend/console/2/0'} to /local/domain/2/device/console/0.[2009-11-20 12:24:18 2005] DEBUG (DevController:97) DevController: writing {'domain': 'winHVMDomain', 'frontend': '/local/domain/2/device/console/0', 'uuid': '1511fbb3-0da0-455e-bb0d-b13f470d68d9', 'frontend-id': '2', 'state': '1', 'location': '3', 'online': '1', 'protocol': 'vt100'} to /local/domain/0/backend/console/2/0.
[2009-11-20 12:24:18 2005] DEBUG (XendDomainInfo:1709) XendDomainInfo.handleShutdownWatch
[2009-11-20 12:24:18 2005] DEBUG (DevController:139) Waiting for devices vif.
[2009-11-20 12:24:18 2005] DEBUG (DevController:144) Waiting for 0.
[2009-11-20 12:24:18 2005] DEBUG (DevController:629) hotplugStatusCallback /local/domain/0/backend/vif/2/0/hotplug-status.
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2732) XendDomainInfo.destroy: domid=2
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2207) Destroying device model
[2009-11-20 12:25:59 2005] INFO (image:556) winHVMDomain device model terminated
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2214) Releasing devices
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2227) Removing vif/0
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:1134) XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2227) Removing console/0[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:1134) XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2227) Removing vbd/768
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:1134) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/768[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2227) Removing vbd/2816
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:1134) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2816[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2227) Removing vfb/0
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:1134) XendDomainInfo.destroyDevice: deviceClass = vfb, device = vfb/0[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2212) No device model
[2009-11-20 12:25:59 2005] DEBUG (XendDomainInfo:2214) Releasing devices

-- 
Avinash Singh
ECE-07 ITBHU Varanasi. 

Bangalore. 


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