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Re: [Xen-users] Error: Device 2049 (vbd) could not be connected. Hotplug

To: "J J" <skrats3@xxxxxxxxxxx>
Subject: Re: [Xen-users] Error: Device 2049 (vbd) could not be connected. Hotplug scripts
From: "François Lapointe" <flapointe@xxxxxxxxx>
Date: Thu, 27 Jul 2006 17:56:46 -0400
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2006/7/27, J J <skrats3@xxxxxxxxxxx>:
Absolutely. I searched google and this list. I found many suggestions by
people on how to fix this issue. None helped. This does appear to be a
recurring issue where the root cause has not been identified. Logs have been
no help and strace'ing the process did nothing but give me a headache.



>From: "Henning Sprang" <henning_sprang@xxxxxx>
>To: "J J" <skrats3@xxxxxxxxxxx>
>CC: xen-users@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-users] Error: Device 2049 (vbd) could not be connected.
>Hotplug scripts not working.
>Date: Thu, 27 Jul 2006 11:59:56 +0200
>
>On 7/27/06, J J <skrats3@xxxxxxxxxxx> wrote:
>>
>>I am getting this error when doing an xm create.
>>[root@xen scripts]# udevmonitor &
>>[root@xen scripts]# xm create -c jj
>>Using config file "/etc/xen/jj".
>>UEVENT[1153956764.945952] add@/devices/xen-backend/vbd-13-2049
>>UEVENT[1153956775.318771] remove@/devices/xen-backend/vbd-13-2049
>>Error: Device 2049 (vbd) could not be connected. Hotplug scripts not
>>working.
>>
>>Any help would be appreciated.
>
>I think this is an often reoccuring error - what did you try to solve
>it until now? Did none of the hints in the list archive help?
>
>Henning

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Make sure you're using udev and it is setup properly. What does the
output of "# cat /proc/sys/kernel/hotplug" shows?

François

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