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[Xen-bugs] [Bug 1120] New: using tap:aio on debian etch fails

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Subject: [Xen-bugs] [Bug 1120] New: using tap:aio on debian etch fails
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Date: Fri, 30 Nov 2007 03:52:57 -0800
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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1120

           Summary: using tap:aio on debian etch fails
           Product: Xen
           Version: 3.0 (general)
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Tools
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: feltl@xxxxxxxxxxxx


Using tap:aio in the vm config file produces:
Error: Device 51713 (vbd) could not be connected. Hotplug scripts not working.

OS is debian etch kernel 2.6.18
xen version 3.1 pre build binary package from the download section
(same problem with the source release)

blktapctrl gets loaded:

Feb 14 15:21:29 xen BLKTAPCTRL[5966]: blktapctrl: v1.0.0 
Feb 14 15:21:29 xen BLKTAPCTRL[5966]: Found driver: [raw image (aio)] 
Feb 14 15:21:29 xen BLKTAPCTRL[5966]: Found driver: [raw image (sync)] 
Feb 14 15:21:29 xen BLKTAPCTRL[5966]: Found driver: [vmware image (vmdk)] 
Feb 14 15:21:29 xen BLKTAPCTRL[5966]: Found driver: [ramdisk image (ram)] 
Feb 14 15:21:29 xen BLKTAPCTRL[5966]: Found driver: [qcow disk (qcow)] 
Feb 14 15:21:29 xen BLKTAPCTRL[5966]: /dev/xen/blktap0 device already exists

mounting the image file manually works:

xm block-attach 0 tap:qcow:<FILENAME> /dev/xvda1 w 0
mount /dev/xvda1 /mnt/disk


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