Re: [Xen-users] Cannot access to PV domU via VNC

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Feb 26, 2014 at 11:47:39PM +0900, Jeongseok Son wrote:
> Hello, I have to use graphical interface in PV domU so I tried to
> connect to domU via VNC.
> 
> I'm currently using Xen Hypervisor 4.3.1. I installed Ubuntu Lucid
> (10.04) PV domU with xen-create-image. I can use hvc0 console of domU
> (with xl console command) but cannot connect to VNC console.
> 
> The following is my xen configuration for PV domU.
> 
> # Kernel + memory size
> kernel = '/boot/vmlinuz-3.9.4+'
> ramdisk = '/boot/initrd.img-3.9.4+'
> 
> vcpus       = '2'
> memory      = '2048'
> 
> # Disk device(s)
> root        = '/dev/xvda2 ro'
> disk        = [
>                   'file:/path/to/disk.img,xvda2,w',
>                   'file:/path/to/swap.img,xvda1,w',
>                  ]
> 
> #  Hostname
> name        = 'pv-ubuntu'
> 
> # vfb
> vfb         = [ "vnc=1, vncpasswd='', vncdisplay=1" ]
> 
> #  Behaviour
> on_poweroff = 'destroy'
> on_reboot   = 'restart'
> on_crash    = 'restart'
> 
> With netstat -a command, the following line is printed so I think Xen
> listens the connections.
> 
> Proto Recv-Q Send-Q Local Address           Foreign Address         State
> tcp        0         0        localhost:5901          *:*
>                 LISTEN
> 

That's because your vnc is listening on 127.0.0.1 only.

Please have a look at xl manpage for the "vnclisten" option.

Wei.

> But when I attempt to connect to it using VNC client, I got
> "Connection to host xxx.xxx.xxx.xxx::5901 was closed." message.
> 
> I successfully worked with GUI Interface via VNC in HVM domU (Both
> Ubuntu 12.04 Desktop and Server).
> Why it doesn't work in PV domU? Are there anything to set up in PV
> domU to make it work?
> I really appreciate any help you can provide.
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxx
> http://lists.xen.org/xen-users

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