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RE: [Xen-users] VNC to HVM not starting

To: "'Scott Serr'" <serrs@xxxxxxxxxxxx>, "'Alessandro R.'" <lord2y@xxxxxxxxx>
Subject: RE: [Xen-users] VNC to HVM not starting
From: "Artur Linhart - Linux communication" <AL.LINUX@xxxxxxxxxxx>
Date: Wed, 19 Sep 2007 15:38:05 +0200
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        I'm not very skilled on the vnc options, but what does it mean if
You have 

        I gues it should mean the domain should be accessible through VNC on
the port 5906, isn't it? Is there nothing running on this port? Maybe the
domain cannot start because the port 5906 is already in use... can You try
to run
netstat -a -n
if the domain not started and if it is started? Are there any differences?
What can You find in the corresponding /var/log/xen/qemu-dm*.log file? Are
there any errors?

        With best regards,


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Scott Serr
Sent: Tuesday, September 18, 2007 6:30 PM
To: Alessandro R.
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] VNC to HVM not starting

Scott Serr wrote:
> Alessandro R. wrote:
>> 2007/9/18, Scott Serr <serrs@xxxxxxxxxxxx>:
>>> My dom0 is Gentoo and I'm trying to boot an HVM off of a Ubuntu Feisty
>>> ISO image.
>>> I apparently have X already listening on 5900... for the "shared
>>> desktop" feature of the modern X servers.
>>> So I have:
>>> vnc=1
>>> vncdisplay=6
>>> vncconsole=1
>> Can you paste all config file?
> kernel="/usr/lib64/xen/boot/hvmloader"
> builder='hvm'
> #device_model='/usr/lib64/xen/bin/qemu-dm'
> memory=384
> name='feisty'
> vif=[ 'type=ioemu,bridge=xenbr0' ]
> boot='d'
> vnc=1
> vncdisplay=6
> #vncviewer=1
> #sdl=1
> Note: "xm list" shows the VM name "feisty" is running...  I just can't 
> see it.  Ideas of what to try are welcome.
I mis-spoke..

# xm list
Name                                      ID   Mem VCPUs      State   
Domain-0                                   0  3620     4     r-----     30.8
feisty                                     1   384     1     ------      0.0

feisty is not running...  not accruing time and not in a run state.

Alessandro, did you use a guide?

Oh no...  I think I found my problem.

> *Note:* For HVM guests to be able to start, it is important that you 
> create the appropriate tap device(s). Thus, the 
> *sys-apps/usermode-utilities* package is required (tunctl), and 
> *support for TUN/TAP devices* must be activated in the kernel 
> configuration.
I'll report if this fixes it.


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