Subject: Re: [vserver] Karmic guest problem with xorg and mtrr
From: "Michael S. Zick" <mszick@morethan.org>
Date: Sun, 27 Dec 2009 05:01:52 -0600

On Sun December 27 2009, John A. Sullivan III wrote:
> Hello, all.  We are trying to install an Ubuntu Karmic amd64 guest onto
> a CentOS 5.4 VServer host running kernel 2.6.28.7-vs2.3.0.36.7.  apt-get
> install xserver-xorg is failing on configuration. We are seeing errors
> such as: 
> 
> kernel: vxW: [XsysctlX,31495:#40042|40042|40042] denied 22 access to
> proc:ffff8801b15ca7b0[#0,65478792]
> 

By design, guests do not have access to the host hardware.

You can reduce the isolation provided to a guest by granting it the
access to hardware and/or changing its capability sets.
For X11, that is a whole lot of added capabilities to keep it happy.

Or you can run your graphics using non-hardware X11, such as VNC.

You should be able to find information on both solutions in the Wiki.

Mike
> >From what I've seen on other threads, it seems like it is trying to do
> something to /proc/mtrr.  We'll do battle with this on Monday but, if
> someone knows what this is off the top of their head and can point us in
> the right direction, we'd certainly appreciate it.  Thanks - John
> 
> 
>