virt-install -n rhel4_system_1 -r 256 --vcpus=1 -f /xen/rhel4_system_1  --nographics -p -d -l "http://192.168.64.222/RHEL4.U4/files" -

Starting install...
Fri, 15 Jun 2007 15:20:29 DEBUG    Creating guest from '<domain type='xen'>
  <name>rhel4_system_1</name>
  <memory>262144</memory>
  <uuid>9f93233d-d782-a277-6710-bb0ee6c8a472</uuid>
  
  <os>
    <type>linux</type>
    <kernel>/var/lib/xen/vmlinuz.naQO-e</kernel>
    <initrd>/var/lib/xen/initrd.img.cGJFnW</initrd>
    <cmdline> method=http://192.168.64.222/RHEL4.U4/files  </cmdline>
  </os>

  <on_poweroff>destroy</on_poweroff>
  <on_reboot>destroy</on_reboot>
  <on_crash>destroy</on_crash>
  <vcpu>1</vcpu>
  <devices>
    <disk type='file' device='disk'>
      <driver name='tap'/>
      <source file='/xen/rhel4_system_1'/>
      <target dev='xvda'/>
    </disk>

    <interface type='bridge'><source bridge='xenbr0'/><mac address='00:16:3e:03:d5:9c'/><script path='/etc/xen/scripts/vif-bridge'/></interface>

    
  </devices>
</domain>
'
libvir: Xen Daemon error : POST operation failed: (xend.err "Error creating domain: (22, 'Invalid argument')")
Failed to create domain rhel4_system_1
Traceback (most recent call last):
  File "/usr/sbin/virt-install", line 447, in ?
    main()
  File "/usr/sbin/virt-install", line 411, in main
    dom = guest.start_install(conscb)
  File "/usr/lib/python2.4/site-packages/virtinst/ParaVirtGuest.py", line 220, in start_install
    return XenGuest.XenGuest.start_install(self, consolecb)
  File "/usr/lib/python2.4/site-packages/virtinst/XenGuest.py", line 367, in start_install
    self.domain = self.conn.createLinux(cxml, 0)
  File "/usr/lib/python2.4/site-packages/libvirt.py", line 249, in createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed')
libvirt.libvirtError: virDomainCreateLinux() failed