[Xen-users] Error: Device 0 (vif) could not be connected.Hotplug scripts not working.

["akhilesh kumar" <akhipatel@xxxxxxxxx>]

Hi All

 

I am using xen 3.3.0 version and

I want to start network virtual interface on Dom U 

by using the following command  

 

# xend start

  ***************************************************************
  ***************************************************************
  ** WARNING: Currently emulating unsupported memory accesses  **
  **          in /lib/tls glibc libraries. The emulation is    **
  **          slow. To ensure full performance you should      **
  **          install a 'xen-friendly' (nosegneg) version of   **
  **          the library, or disable tls support by executing **
  **          the following as root:                           **
  **          mv /lib/tls /lib/tls.disabled                    **
  ** Offending process: xend (pid=1045)                        **
  ***************************************************************
  ***************************************************************

Continuing...

/usr/lib/python/xen/util/xsconstants.py:110: FutureWarning: hex/oct constants > sys.maxint will return positive values in Python 2.4 and up
  INVALID_SSIDREF = 0xFFFFFFFF
etc/xen/scripts/xen-network-common.sh
sh: =~: unknown operand
sh: =~: unknown operand
ifdown: interface eth0 not configured
ip: SIOCSIFNAME: Device or resource busy
suspend: event channel 9
BLKTAPCTRL[1091]: blktapctrl.c:736: blktapctrl: v1.0.0

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [raw image (aio)]

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [raw image (sync)]

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [vmware image (vmdk)]

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [ramdisk image (ram)]

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [qcow disk (qcow)]

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [qcow2 disk (qcow2)]

BLKTAPCTRL[1091]: blktapctrl.c:738: Found driver: [ioemu disk]

BLKTAPCTRL[1091]: blktapctrl_linux.c:21: Created /dev/xen/blktap0 device

#

# uname -r
2.6.18.8-xen

# xm create -c /mnt/xenU
Using config file "./xenU".
# Error: Device 0 (vif) could not be connected.Hotplug scripts not working.

 

In log message i found the following message

 

# tail -35 /var/log/xen/xen-hotplug.log
/etc/xen/scripts/vif-bridge: /etc/xen/scripts/vif-common.sh: line 66: syntax error: Bad fd number
/etc/xen/scripts/vif-bridge: line 94: syntax error: Bad fd number

 

 i have checked the  /etc/xen/scripts/vif-common.sh file i think there is no syntax error

57vifname=$(xenstore_read_default "$XENBUS_PATH/vifname" "")
58if [ "$vifname" ]
59then
60  if [ "$command" == "online" ] && ! ip link show "$vifname" >&/dev/null
61 then
62    do_or_die ip link set "$vif" name "$vifname"
63fi
64vif="$vifname"
65 fi

66

 

can any on help where i am going wrong , how to debugg or how to start network on Dom U

 

I am using the following confugration script

 

kernel = "/boot/vmlinuz-2.6.18.8-xenU"
ramdisk = "/boot/root_cramU.img"
memory = 80
name = "DomainU"
vif = ['ip=107.108.161.120, vifname=veth0']
root = "/dev/ram0 ro"
extra = "3 console=xvc "

 

Thanks,

Akhilesh

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