Re: [uml-user] start a xterm on con1 fails

[Richard W. <ric...@gm...>]

On Tue, Feb 10, 2015 at 3:53 PM, Julien Iguchi-Cartigny
<jul...@un...> wrote:
> Hello,
>
> I'm maintaining Netkit-NG, a set of scripts to boot and configure small
> networks using UML machines for teaching purposes.
>
> <https://netkit-ng.github.io/>
>
> This set of scripts is based on Netkit
>
> <http://www.netkit.org/>
>
> which was using kernel from Debian Lenny. Starting UML with con1=xterm
> was working at this time. But now, using the same configuration to boot
> Debian Wheezy UML kernel with a xterm on con1 fails.
>
> So far I'm stuck with the following command lines.
>
> This one works (starts a xterm with UML):
>
> xterm -e /home/kartoch/works/netkit/netkit-ng/kernel/netkit-kernel
> modules=/home/kartoch/works/netkit/netkit-ng/kernel/modules name=dummy
> title=dummy umid=dummy mem=36M
> ubd0=/home/kartoch/tmp/tmp/dummy.disk,/home/kartoch/works/netkit/netkit-ng/fs/netkit-fs
> root=98:0 uml_dir=/home/kartoch/.netkit/mconsole hosthome=/home/kartoch
> quiet con0=fd:0,fd:1 con1=null SELINUX_INIT=0
>
> But if I want to start UML with a second xterm on the con1, i.e.
> replacing con1= null by con1=xterm in the commad line, no second xterm
> is started. This was the expected behavior in the original netkit (and
> it worked).
>
> I'm looking for help, especially about how to debug this problem (so far
> no error messages in messages or dmesg in the host or the UML machine)
> and how port-helper works on this case.

Can you find the last working kernel version?
If we know that it worked in version X and was broken in X+1
we can start searching. :)

-- 
Thanks,
//richard