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[Xen-devel] Re: Race condition leading to VMError : Device 0 not connect

To: xendevel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] Re: Race condition leading to VMError : Device 0 not connected
From: jd <jdsw2002@xxxxxxxxx>
Date: Fri, 7 Sep 2007 15:30:31 -0700 (PDT)
Cc: gbarosio@xxxxxxxxx, jd <jdsw2002@xxxxxxxxx>
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Now attached.


--- jd <jdsw2002@xxxxxxxxx> wrote:

> Hi
>    We have a client that shows and updates the
> current
> dom status periodically. When I issue a kill to a
> dom,
> the next call to xend.domains(1) fails with the
> VMError.
> It seems that Xen is still in the process of killing
> and the xend.domains call is trying to get
> information
> and seeing some partial stuff, leading to this
> problem.
> This particularly happens when vif is set with mac
> address and bridge specification.
> See attached stack trace and xm info to get idea
> about
> the environment.
> Is this a known problem ? Any patches available ?
> Any workaround that can be coded in the client ? 
> (I have tried some lame waits.. but there is another
> thread that runs into this.)
> Thanks
> /Jd
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Attachment: xen_dev_not_connected_problem
Description: 222058662-xen_dev_not_connected_problem

Attachment: xen_dev_not_connected_problem_xm_info
Description: 4023994680-xen_dev_not_connected_problem_xm_info

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