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[Xen-devel] Re: vfb console inhibiting Xen console?

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: vfb console inhibiting Xen console?
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Fri, 3 Jul 2009 09:46:10 +0100
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>
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Something to do with Stefano's recent changes to enable extra serial
ports etc on HVM leaking through into PV land?

On Thu, 2009-07-02 at 23:22 +0100, Jeremy Fitzhardinge wrote:
> If I create a domain with a vfb:
> 
>     vfb=['type=vnc']
>     vnc=1
>     vncpasswd=''
>     vnclisten='0.0.0.0'
> 
> then I can no longer access the Xen console:
> 
>     # xm create -c xenpv64
>     Using config file "/etc/xen/xenpv64".
>     Started domain xenpv64 (id=3)
>     xenconsole: Could not read tty from store: No such file or directory
> 
> If I comment out the vfb line, then I can start the domain with a
> console as expected.
> 
> Diffing xenstore is mostly boring except for:
> 
>     -   console = ""
>     -    ring-ref = "401255"
>     -    port = "2"
>     -    limit = "1048576"
>     -    type = "xenconsoled"
>     -    tty = "/dev/pts/1"
> 
>     +   console = ""
>     +    vnc-port = "5900"
>     +    ring-ref = "277012"
>     +    port = "2"
>     +    limit = "1048576"
>     +    type = "ioemu"
> 
> Can I have both at once?
> 
>     J


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