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Re: [Xen-users] xm create: Error: Device 0 (vif) could not be connected. Hotplug scripts not working. One more question.

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
  • Date: Fri, 20 Nov 2009 10:06:40 -0800 (PST)
  • Cc: avinash singh <avi2003itbhu@xxxxxxxxx>
  • Delivery-date: Fri, 20 Nov 2009 10:07:52 -0800
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Next question:-

eth0            8000.001c2596e32b       no              peth0

pan0            8000.000000000000       no

virbr0          8000.000000000000       yes


Presence virbr0 in report seems strange. Direct port  Xen 3.4.2  to F11 doesn't install daemon

libvirtd ( bridge virbr0 ) , unless you wrote xen-3.4.2-(x).fc12.src.rpm  yourself.


So , from where bridge virbr0 comes  ?

Install Libvirt on F11 for KVM would mess Xen 3.4.2 port .

What reports ?


# rpm -qa |  grep xen


build xen from souce on F11 doesn't change this output.


Boris.






--- On Fri, 11/20/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-users] xm create: Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
To: "Geoff Armfield" <geoff.armfield@xxxxxxxxxxxxxx>, "avinash singh" <avi2003itbhu@xxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Friday, November 20, 2009, 12:04 PM

I believe disk should be also fixed.

hdc:cdrom

--- On Fri, 11/20/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-users] xm create: Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
To: "Geoff Armfield" <geoff.armfield@xxxxxxxxxxxxxx>, "avinash singh" <avi2003itbhu@xxxxxxxxx>
Date: Friday, November 20, 2009, 12:01 PM

Remove vif and try to start HVM DomU.
What happens ?

B.

--- On Fri, 11/20/09, avinash singh <avi2003itbhu@xxxxxxxxx> wrote:

From: avinash singh <avi2003itbhu@xxxxxxxxx>
Subject: Re: [Xen-users] xm create: Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
To: "Geoff Armfield" <geoff.armfield@xxxxxxxxxxxxxx>
Date: Friday, November 20, 2009, 3:11 AM

Hi Geoff,

Thanks for prompt reply.  I have assigned correct interface. Please see below for more detail,

[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








On Fri, Nov 20, 2009 at 4:40 AM, Geoff Armfield <geoff.armfield@xxxxxxxxxxxxxx> wrote:
Check your vif=statement (domU config) and or bridging. "brctl show" and any xend logs helps the situation.

Kind Regards,
Geoff
--
Nothing is fool proof to a sufficiently talented fool.

On Thu, Nov 19, 2009 at 11:57 AM, avinash singh <avi2003itbhu@xxxxxxxxx> wrote:
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 following error. I tried doing googling but none of suggested solution is working for me. Please guide me through my first experience with xen.for more details please see below,

root@localhost ~]# xm create /etc/xen/test
Using config file "/etc/xen/test".
Error: Device 0 (vif) could not be connected. Hotplug scripts not working.


 Along with that, I am attaching all perquisite installed rpms for xen (install_log). Please help me to fix this issue.


DOmU configuration file:

------------------------------
--------------------------
import os, re

arch_libdir = 'lib'
arch = os.uname()[4]
if os.uname()[0] == 'Linux' and re.search('64', arch):
    arch_libdir = 'lib64'

#----------------------------------------------------------------------------
# Kernel image file.
kernel = "/usr/lib/xen/boot/hvmloader"

# The domain build function. HVM domain uses 'hvm'.
builder='hvm'

# Initial memory allocation (in megabytes) for the new domain.
#
# WARNING: Creating a domain with insufficient memory may cause out of
#          memory errors. The domain needs enough memory to boot kernel
#          and modules. Allocating less than 32MBs is not recommended.
memory = 1024

# Shadow pagetable memory for the domain, in MB.
# If not explicictly set, xend will pick an appropriate value. 
# Should be at least 2KB per MB of domain memory, plus a few MB per vcpu.
shadow_memory = 8
name = "winHVMDomain"
vcpus=1
#cpus = ""         # leave to Xen to pick
#cpus = "0"        # all vcpus run on CPU0
#cpus = "0-3,5,^1" # all vcpus run on cpus 0,2,3,5
#cpus = ["2", "3"] # VCPU0 runs on CPU2, VCPU1 runs on CPU3

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


disk = [ 'file:/root/xen.img,hda,w', 'file:/root/win.iso,cdrom,r' ]

device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
boot="cda"

vnc=1
vnclisten="127.0.0.1"
vncdisplay=1

stdvga=0



--
Avinash Singh
ECE-07 ITBHU Varanasi.

Bangalore.



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--
"Nothing is fool proof to a sufficiently talented fool"



--
Avinash Singh
ECE-07 ITBHU Varanasi.

Bangalore.



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