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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, May 19, 2016 at 10:26:15AM +0200, carrette.alexis@xxxxxxxxx wrote:
> > 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 ?

This could be a problem with the interaction between Xen, firmware and
Linux kernel. You can try to report this to
xen-devel@xxxxxxxxxxxxxxxxxxxx.

http://wiki.xenproject.org/wiki/Reporting_Bugs_against_Xen_Project

Wei.

> 
> > 
> > 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
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxx
> http://lists.xen.org/xen-users

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxx
http://lists.xen.org/xen-users