[Fedora-xen] Re: gui console unavailable after upgrade

[Markus Armbruster]

"Robert Thiem" <junk at remcc.org> writes:

>> I am just learning how to use xen.
>> I installed a fc6 virtual machine and everything went okay. After the
>> install I was able to start the virtual machine and use the gui console to
>> log in.
> ...
>> I don't see any new entries in the xend-debug.log
>
> I had a similar problem that's mysteriously rectified itself today.
>
> Anyway, when you have a guest running you should see (on the host, Dom0):
>
> [root at lair6 ~]# netstat -antp | grep xen
> tcp        0      0 127.0.0.1:5900              0.0.0.0:*                 
>  LISTEN      4350/xen-vncfb
> tcp        0      0 127.0.0.1:5900              127.0.0.1:36614           
>  ESTABLISHED 4350/xen-vncfb
> [root at lair6 ~]# netstat -antp | grep python
> tcp        0      0 127.0.0.1:36614             127.0.0.1:5900            
>  ESTABLISHED 4555/python
>
> This is (I believe) the xen virtual framebuffer serving on port 5900 and
> the client python console connecting to it (if a console is running).

Correct.

> Checking that this xen-vncfb is running on the host is a good start. I'm
> pretty sure that it wasn't when my console wasn't working, but you might
> not be having the same issue.
>
> In case my checking today actually did something here's what I can
> remember doing since it wasn't working.
>
> yum update
> Reboot with SELinux in permissive mode (which didn't show up anything
> obviously wrong audit wise, but the console was working)
> Reboot with SELinux in enforcing mode (console still working)
>
> Robert Thiem

I figure restarting xend did the trick.