Re: [Xen-users] Xen not booting after Ubuntu upgrade

[<carrette.alexis@xxxxxxxxx>]

> On Tue, May 17, 2016 at 06:52:55PM +0200, Alexis CARRETTE wrote:
> > Hello everyone,
> >
> >
> >
> > I've discovered Xen hypervisor few months ago and enjoying it until I
> > tried to upgrade to Ubuntu 16.04 + Xen 4.6 from Ubuntu 15.10 + Xen
> > 4.5. After doing "do-release-upgrade" and rebooting the system once it
> > was completed I couldn't boot to Xen anymore. It actually tries to
> > boot until it reaches "Starting LSB : Xen daemons". At this point it
loops
> without ending.
> >
> >
> >
> > I've actually uploaded a video to youtube to show the boot sequence if
> > that can help : https://www.youtube.com/watch?v=Eu1VVIC6ZNI
> >
> >
> 
> Do you happen to have X configured? That is, the next step is to start GDM
> (or whatever login manager you use). The endless loop could be systemd
> trying to restart login manager.

Yes I have LXDE installed. I think the video card drivers are causing
problems since the upgrade :

root@:~# lshw -c display
  *-display NON-RÉCLAMÉ
       description: VGA compatible controller
       produit: G200eR2
       fabriquant: Matrox Electronics Systems Ltd.
       identifiant matériel: 0
       information bus: pci@0000:04:00.0
       version: 00
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm vga_controller bus_master cap_list
       configuration: latency=0 maxlatency=32 mingnt=16
       ressources: mémoire:c0000000-c0ffffff mémoire:c1800000-c1803fff
mémoire:c1000000-c17fffff

I've also noticed that the package "linux-firmware-nonfree" has been removed
while upgrading and is not available anymore in Ubuntu 16.04. I've tried to
manually install the .deb from the older version without success. At the
moment I've disabled lxde but I don't really know what to do with it. The
drivers provided by Matrox seem to be really old and not compatible with
newer distributions.

What I also do not understand is why would lxde work normally with Ubuntu
but not with Xen on top ?

> 
> Can you check if you can ssh to your host?
> 
> >
> > Please don't hesitate to tell me if you need more infos. I did the
> > same upgrade on my test Dom0 with the exact same software
> > configuration and it went perfectly fine :(
> >
> >
> >
> > Thanks in advance.
> >
> >
> >
> > Alexis


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