Add back xen-devel

Please use the "reply-all" button in gmail in the future.

On Fri, Apr 01, 2016 at 06:48:47PM +0200, Sjoer van der Ploeg wrote:
> > The sysv init script for xendomains depends on xenstored and
> > xenconsoled, and the systemd service file contains the same
> > dependencies.
> >
> > It would be useful to track down which service is not started and
> > explicitly provide the dependency.
>
> Manually enabling xencommons through update-rc.d also works, to put it like
> this the xendomains fails to start because was xencommons was not
> enabled/started. The error xendomains gave back only complained about
> xenstored and xenconsoled.
>
> What actually happened is that the required modules were never loaded on
> dom0 (causing numerous other unrelated problems), adding the systemd
> service fixed that instead of having to manually enable xencommons with
> update-rd.d (which is not the systemd workflow anyway). Scratching your
> head as to why xendomains complains about two services that have in fact
> been enabled and loaded when a sysv init.d script is the actual cause, was
> not my first thought.
>
> On that note xendomains should state xencommons dependency, which it
> currently does not.
>

Ah, so it is the kernel modules that are not loaded. I can see why that
would be a problem. My experience with systemd is a bit rusty at the
moment. I will find some time to have a look at this next week.

Wei.

>
> Yours,
>
> Sjoer van der Ploeg
>