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Re: [Xen-users] Backend device not found



Hi,

I see "Failed to find an unused loop device" in the output you posted. Correct that first (e.g. using the description at http://lists.xensource.com/archives/html/xen-users/2006-06/msg01148.html).

Cheers
Andreas

Fasiha Ashraf wrote:



     xenbr0: port 7(vif8.0) entering disabled state
    Jun 20 02:21:11 localhost logger: /etc/xen/scripts/vif-bridge:
    offline XENBUS_PATH=backend/vif/8/0
    Jun 20 02:21:11 localhost kernel: device vif8.0 left promiscuous mode
    Jun 20 02:21:11 localhost kernel: audit(1245478871.070:15):
    dev=vif8.0 prom=0 old_prom=256 auid=4294967295
    Jun 20 02:21:11 localhost kernel: xenbr0: port 7(vif8.0) entering
    disabled state
    Jun 20 02:21:11 localhost logger: /etc/xen/scripts/vif-bridge:
    brctl delif xenbr0 vif8.0 failed
    Jun 20 02:21:11 localhost logger: /etc/xen/scripts/vif-bridge:
    ifconfig vif8.0 down failed
    Jun 20 02:21:11 localhost logger: /etc/xen/scripts/vif-bridge:
    Successful vif-bridge offline for vif8.0, bridge xenbr0.
    Jun 20 02:21:11 localhost logger:
    /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vif/8/0
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block: Forced
    to steal lock on /var/run/xen-hotplug/block from 22545:
    /etc/xen/scripts/block!
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block: Writing
    backend/vbd/7/2050/hotplug-status error to xenstore.
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block: Failed
    to find an unused loop device
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block: remove
    XENBUS_PATH=backend/vbd/7/2050
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block: Writing
    backend/vbd/7/2050/hotplug-status error to xenstore.
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block:
    xenstore-read backend/vbd/7/2050/node failed.
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block: Writing
    backend/vbd/7/2050/hotplug-status error to xenstore.
    Jun 20 02:21:17 localhost logger: /etc/xen/scripts/block:
    /etc/xen/scripts/block failed; error detected.
    Jun 20 02:21:17 localhost logger:
    /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vbd/7/2050
    Jun 20 02:21:18 localhost logger:
    /etc/xen/scripts/xen-hotplug-cleanup: Forced to steal lock on
    /var/run/xen-hotplug/block from 22561: /etc/xen/scripts/bloc$
    Jun 20 02:21:18 localhost logger:
    /etc/xen/scripts/xen-hotplug-cleanup: Forced to steal lock on
    /var/run/xen-hotplug/block from unknown!
    Jun 20 02:21:18 localhost logger: /etc/xen/scripts/block: Writing
    backend/vbd/8/2050/hotplug-status error to xenstore.
    Jun 20 02:21:18 localhost logger: /etc/xen/scripts/block: Failed
    to find an unused loop device
    Jun 20 02:21:18 localhost logger: /etc/xen/scripts/block: remove
    XENBUS_PATH=backend/vbd/8/2050
    Jun 20 02:21:18 localhost logger: /etc/xen/scripts/block: Writing
    backend/vbd/8/2050/hotplug-status error to xenstore.
    Jun 20 02:21:18 localhost logger: /etc/xen/scripts/block:
    xenstore-read backend/vbd/8/2050/node failed.

    Anybody face this issue before? What could be the solution?
    Regards
    Fasiha Ashraf


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