Hi Daniel,

I dont know if there is any connection between ¨Kernel panic error ¨  and 
¨Server disconnected (code: 1006)¨ errors. When I´m trying to deploy a Debian 
VM using other template, I get a message ¨Server disconnected (code: 1006)¨. 
Therefore, I cannot eventually connect through sunstone using VNC to any of my 
VM´es.

Following the previous threads I also verified these possibilities to find the 
problem but sunstone is still showing the  Server disconnected msg.

Check sunstone.error too. --> EMPTY



Check that no websockify from a previous session is running (ps aux | grep 
websockify).--> NO

Check that you have run ./install_novnc.sh after your upgrade. --> DONE



Check that you can still connect to the machine VNC with a different vnc client 
directly. --> When I try with virt-manager I get the same error than at the 
beginning of this Thread ¨Kernel panic ...¨


Is the "starting vnc proxy" line showing up in sunstone.log? --> YES



>From which version were you upgrading? You can attach sunstone.log so I can 
>check if I see something that you missed. --> I am using the last version of 
>Opennebula 3.6.0-1

The content of sunstone.log is:


[I]: Starting vnc proxy: /usr/share/one/noVNC/utils/websockify  85431 
asturias:55555
[I]: 127.0.0.1 - - [14/Aug/2012 10:11:55] "POST /vm/72/startvnc HTTP/1.1" 200 
30 0.0059
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:01] "POST /vm/72/stopvnc HTTP/1.1" 200 - 
0.0031
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:07] "GET /vmtemplate?timeout=true 
HTTP/1.1" 200 6612 0.0683
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:14] "GET /group?timeout=true HTTP/1.1" 
200 585 0.0032
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:15] "GET /cluster?timeout=true HTTP/1.1" 
200 226 0.0032
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:18] "GET /vm?timeout=true HTTP/1.1" 200 
9156 0.0084
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:25] "GET /vmtemplate?timeout=true 
HTTP/1.1" 200 6612 0.0066
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:26] "GET /datastore?timeout=true 
HTTP/1.1" 200 1707 0.0039
[I]: 127.0.0.1 - - [14/Aug/2012 10:12:37] "GET /host?timeout=true HTTP/1.1" 200 
1107 0.0647


Thanks in advance.

Cheers,
Héctor


________________________________
From: Fernandez, H.J.
Sent: Tuesday, 14 August 2012 10:07 AM
To: Daniel Molina
Cc: opennebula users
Subject: RE: [one-users] VPN Access ...

Hi Daniel,


This is the content of my template:

CONTEXT=[
  FILES="/var/tmp/ubuntuVM/init.sh",
  GATEWAY="192.168.122.1",
  NETMASK="255.255.255.0" ]
CPU="0.5"
DISK=[
  IMAGE="ubuntu_image_template2",
  IMAGE_UNAME="oneadmin" ]
FEATURES=[
  ACPI="yes" ]
GRAPHICS=[
  LISTEN="0.0.0.0",
  TYPE="vnc" ]
MEMORY="1000"
NAME="ubuntu_vmtemplate"
NIC=[
  NETWORK="PrivateNet2",
  NETWORK_UNAME="oneadmin" ]
OS=[
  ARCH="x86_64",
  BOOT="hd" ]
RAW=[
  DATA="<devices><serial type=\"pty\"><source path=\"/dev/pts/5\"/><target 
port=\"0\"/></serial><console type=\"pty\" tty=\"/dev/pts/5\"><source 
path=\"/dev/pts/5\"/><target port=\"0\"/></console></devices>",
  TYPE="kvm" ]
TEMPLATE_ID="21"

On the other hand I verified the oned.conf file which is enclosed in this mail, 
and I didn´t find any mistake.

Thanks in advance,

Cheers,
Héctor
________________________________
From: Daniel Molina [dmol...@opennebula.org]
Sent: Tuesday, 14 August 2012 8:43 AM
To: Fernandez, H.J.
Cc: opennebula users
Subject: Re: [one-users] VPN Access ...

Hi,

On 13 August 2012 15:55, Fernandez, H.J. 
<hector.fernan...@vu.nl<mailto:hector.fernan...@vu.nl>> wrote:
Hi all,

I created a Ubuntu 12.04 LTS virtual machine to test my OpenNebula installation 
and I got some errors when sunstone tries to connect to it using VNC.


VFS: cannot open root device ¨(null)¨ or unknown-block(0,0)
Please append a correct root¨ boot option; here are the available partitions:
0800    715052         sda driver: sd
0801    715020         sda1
0b00    1048575       sr0 driver: sr

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)


Did you get these errors before ? I think I need to configure something at the 
BOOT parameters of my virtual image template but I don´t know what.

I also attached a png file to show you the error.


Could you send us the template you're using? and please check if there is any 
error in your oned.log

Cheers.



Thanks in advance.

Best,
Héctor


-------------------------- Héctor FERNÁNDEZ 
---------------------------------------------------
Department of Computer Science                  Tel :  +31 20 59 
87707<tel:%2B31%2020%2059%2087707>
Vrije Universiteit - de Boelelaan 1081a
1081 HV Amsterdam - The Netherlands           E-mail: 
hector.fernan...@cs.vu.nl<mailto:hector.fernan...@cs.vu.nl>
Room R433
------------------------------------------------------------------------------------------------------------

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Project Engineer
OpenNebula - The Open Source Solution for Data Center Virtualization
www.OpenNebula.org<http://www.OpenNebula.org> | 
dmol...@opennebula.org<mailto:dmol...@opennebula.org> | @OpenNebula
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