Xen project Mailing List

Hey Guys!

Need some help here... I am trying to install Xen4.0.1 on Ubuntu
10.04.1 LTS (64 bits) which has the kernel version 2.6.32.24-generic.
I followed this tutorial for the installation, using the configuration
file uploaded by Thiogo, which is actually meant for kernel version
2.6.32.18.

The kernel compilation steps go through smoothly, except that when I
enable the xend and the xend domain services using the update-rc.d
command I get the same warning message as NunziaG84
update-rc.d xend defaults 20 21

the output was:
update-rc.d: warning: xend start runlevel arguments (2 3 4 5) do not match LSB
Default-Start values (3 4 5)
update-rc.d: warning: xend stop runlevel arguments (0 1 6) do not match LSB
Default-Stop values (0 1 2 6)

And then when I reboot the machine, xend does not start. On issuing
the command /etc/init.d/xend start, or status, there is no terminal
output.
When I type in "xend start" directly, I get the following error message:
sudo xend start
>
> the output is:
>
> ERROR Internal error: Could not obtain handle on privileged command interface
> (2 = No such file or directory)
> Traceback (most recent call last):
> File "/usr/sbin/xend", line 36, in <module>
> from xen.xend.server import SrvDaemon
> File "/usr/local/lib/python2.6/dist-packages/xen/xend/server/SrvDaemon.py",
> line 26, in <module>
> import relocate
> File "/usr/local/lib/python2.6/dist-packages/xen/xend/server/relocate.py",
> line 28, in <module>
> from xen.xend import XendDomain
> File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomain.py", line
> 36, in <module>
> from xen.xend import XendOptions, XendCheckpoint, XendDomainInfo
> File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py",
> line 20, in <module>
> from xen.xend import balloon, sxp, image
> File "/usr/local/lib/python2.6/dist-packages/xen/xend/image.py", line 46, in
> <module>
> xc = xen.lowlevel.xc.xc()
> xen.lowlevel.xc.Error: (1, 'Internal error', 'Could not obtain handle on
> privileged command interface (2 = No such file or directory)')
>
I see that several other people here are facing similar issues. Could
anyone throw some light on what the matter might be, and how one could
move towards resolving it.
Does anyone have a configuration file for my specific xen and host
operating system kernel versions. Actually I am confused as to whether
the kernel version of the .config file has to match that of our Xen
download or our host operating system....

Thanks!!!!

On Mon, Sep 6, 2010 at 8:16 AM, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

It just means that standard links already exist. No harm
Please , run
cd /dev/xen
ls -l

Boris.

--- On Mon, 9/6/10, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

From: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-users] Re: Xen 4.0.1 on Ubuntu Lucid 10.04 - Desktop / Server - 64 Bits - With OpenGL (Intel GEM) enabled - From Linuxcon Brazil! :-D
To: "nunziaG84@xxxxxxxxx" <nunziaG84@xxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Monday, September 6, 2010, 5:55 AM

On Mon, Sep 06, 2010 at 09:05:26AM +0200, nunziaG84@xxxxxxxxx wrote:
> I had a problem that i ignored when i had nabled Xen at boot:
> with:
> update-rc.d xend defaults 20 21
>
> the output was:
> update-rc.d: warning: xend start runlevel arguments (2 3 4 5) do not match LSB
> Default-Start values (3 4 5)
> update-rc.d: warning: xend stop runlevel arguments (0 1 6) do not match LSB
> Default-Stop values (0 1 2 6)
> System start/stop links for /etc/init.d/xend already exist.
>
> Can this be the problem that xend doesn't start?
>

Maybe, who knows.

Does it start if you execute "/etc/init.d/xend start" manually?

-- Pasi

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--
Priya Bhat