Re: [Xen-users] Full Virtualization: linux in linux?

[Andrej Radonic <andrej.radonic@xxxxxxxx>]

Alex Iribarren wrote:
> Hi,
>
> I'm doing some tests of Xen with the latest Intel processors and I'd
> like to run an unmodified linux inside a virtual machine. If possible,
> I'd like to be able to install this OS (a version of Scientific Linux,
> in case you're interested) from our PXE servers, but I can also install
> it from a DVD image.
>
> I've seen several HOWTOs on running Windows like this, so I thought it
> would be pretty similar. I basically replaced the Windows CD image for
> an SL image, but I haven't been able to get it to work. I get this:
>
> xenmaster ~ # xm create -c /etc/xen/slc43.hvm
> Using config file "/etc/xen/slc43.hvm".
> Started domain SLC43
> xenconsole: Could not read tty from store: No such file or directory
> xenmaster ~ # xm list
> Name                              ID Mem(MiB) VCPUs State  Time(s)
> Domain-0                           0      343     4 r----- 11909.8
> SLC43                             36     2048     1 -b----     0.0
>
> The virtual machine is apparently up, but I can't (or don't know how to)
> connect to it, it just sits there blocked. The same thing happens if I
> use SDL and VNC. I've googled to see if I could fix that problem with
> xencosole, but with no results. I've downloaded a Debian image from
> jailtime.org and that works fine (although I don't see the kernel boot
> messages, which is kind of odd).
>   
Alex,
I'm not convinced that your guest is really "up".
OK, xm shows a process but I bet it is just an "empty shell" as there is 
this error message in your debug output:
No such file or directory: '/dev/hda'

I'd go for this and try to find out the reason. If you want you can post 
your config file here.
Good luck,
Andrej

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