On Mon December 28 2009, John A. Sullivan III wrote:
> On Mon, 2009-12-28 at 14:03 -0600, Michael S. Zick wrote:
> > On Mon December 28 2009, John A. Sullivan III wrote:
> > > On Sun, 2009-12-27 at 05:01 -0600, Michael S. Zick wrote:
> > > > 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
> > > <snip>
> > > Thanks. Just getting back to this now. That is what we do - these are
> > > virtual desktops which we deliver using NX either via NoMachine's or
> > > X2Go's (www.x2go.org) implementation. It worked fine under Hardy but
> > > something must have changed in Karmic. I'll keep digging and let the
> > > list know what I find. If anyone has already fought this battle, please
> > > let me know! - John
> > >
> >
> > Karmic uses a much newer kernel, complete with changes in the mtrr handling
> > and a different version of X11 to match.
> >
> > You should be able to run the Karmic installation with the older kernel (I think).
> <snip>
> Yes, I was concerned when I read that in the release notes and it may be
> the problem. We just failed again. It appears to be in the
> auto-configuration for xserver-xorg. I don't know much about the Debian
> configuration magic but I'll have to dig deeper perhaps using strace as
> Herbert suggested. The sad thing is, we really don't need much X
> support and certainly no hardware but apt is probably picking up a
> dependency somewhere that we really don't need. I'll keep digging.
> Thanks - John
>
I know the feeling but not the answer, other than your probably on the right path.
In Debian, installing X11 seems to be an alias for "install world + a few". ;)
Mike
>
>
Received on Mon Dec 28 21:56:31 2009