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[Xen-users] Error: Device 768 (vbd) could not be connected. Path closed

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Error: Device 768 (vbd) could not be connected. Path closed or removed during hotplug add: backend/vbd/9/768 state: 1
From: doom <doom28@xxxxxxx>
Date: Mon, 7 Jun 2010 01:39:02 +0400
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While xm create is running

# udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent



KERNEL[1275860079.555436] add      /devices/vfb-10-0 (xen-backend)
UDEV  [1275860079.555687] add      /devices/vfb-10-0 (xen-backend)
KERNEL[1275860079.567939] add      /devices/vbd-10-768 (xen-backend)
KERNEL[1275860079.587551] add      /devices/vbd-10-5632 (xen-backend)
KERNEL[1275860079.609801] add      /devices/vif-10-0 (xen-backend)
KERNEL[1275860079.614468] add      /devices/vif-10-0/net/vif10.0 (net)
KERNEL[1275860079.615481] online   /devices/vif-10-0 (xen-backend)
UDEV  [1275860079.615527] add      /devices/vif-10-0 (xen-backend)
UDEV  [1275860079.617464] add      /devices/vif-10-0/net/vif10.0 (net)
KERNEL[1275860079.654377] add      /devices/virtual/net/tap10.0 (net)
UDEV  [1275860079.667566] add      /devices/virtual/net/tap10.0 (net)
KERNEL[1275860079.710515] add      /devices/console-10-0 (xen-backend)
UDEV  [1275860079.712154] add      /devices/console-10-0 (xen-backend)
UDEV  [1275860079.827750] add      /devices/vbd-10-768 (xen-backend)
UDEV  [1275860079.841424] add      /devices/vbd-10-5632 (xen-backend)
UDEV  [1275860079.864087] online   /devices/vif-10-0 (xen-backend)
KERNEL[1275860080.401301] remove   /devices/virtual/net/tap10.0 (net)
UDEV  [1275860080.403041] remove   /devices/virtual/net/tap10.0 (net)
KERNEL[1275860080.555196] remove   /devices/console-10-0 (xen-backend)
KERNEL[1275860080.594621] remove   /devices/vfb-10-0 (xen-backend)
KERNEL[1275860080.609414] offline  /devices/vif-10-0 (xen-backend)
KERNEL[1275860080.661219] remove   /devices/vif-10-0/net/vif10.0 (net)
UDEV  [1275860080.661810] remove   /devices/console-10-0 (xen-backend)
UDEV  [1275860080.682074] remove   /devices/vfb-10-0 (xen-backend)
KERNEL[1275860080.691285] remove   /devices/vif-10-0 (xen-backend)
UDEV  [1275860080.728360] offline  /devices/vif-10-0 (xen-backend)
UDEV  [1275860080.729273] remove   /devices/vif-10-0/net/vif10.0 (net)
UDEV  [1275860080.775190] remove   /devices/vif-10-0 (xen-backend)


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