[Pkg-xen-devel] Ubuntu delta against 4.5.0-1 in experimental for disussion

[Stefan Bader]

On 22.01.2015 16:58, Ian Campbell wrote:
> On Thu, 2015-01-22 at 16:08 +0100, Stefan Bader wrote:
>> On 22.01.2015 13:02, Stefan Bader wrote:
>>> Hi,
>>>
>>> I just finished preparing the Xen-4.5 merge from experimental into our next
>>> release (Vivid/15.04). And something I actually should have done since the 4.4
>>> times is to report back the delta I have in case there are things Debian might
>>> want to pick up as well.
>>>
>>> So below is the commented debdiff between the 4.5.0-1 in experimental and the
>>> Ubuntu version I prepared so far (only compile tested on x86 at the time of
>>> writing this).
>>>
>>> Regards,
>>> Stefan
>>>
>>> [Excluding changelog and the maintainer change in control]
>>>
>>> First hunk in the following diff is just for the sake of completeness. OCAML was
>>> dropped when xend support was taken out, so setting the destination directory
>>> sounds useless. On the other hand it does not break anything.
>>> The second hunk may or may not be useful for Debian. I add this (and the
>>> d/xen-hypervisor-4.5.xen.cfg file) so update-grub will automatically create a
>>> config that boots into Xen by default. Files in /etc/default/grub.d are appended
>>> to /etc/default/grub, so one does not have to fiddle around with the main file).
>>
>> For completeness... at least the implementation of where I added the update-grub
>> config and how seems less than ideal in the light of moving from one version to
>> the next. So clearly nothing that anyone wants to do at least in that form.
> 
> Relying on the entry ordering and being able to reference by number is a
> bit fragile with the more complex menu structure used these days.
> 
> https://wiki.debian.org/Xen#Prioritise_Booting_Xen_Over_Native
> recommends:
>         dpkg-divert --divert /etc/grub.d/08_linux_xen --rename /etc/grub.d/20_linux_xen
>         
> TBH I think the correct answer is to upstream a patch to grub renaming
> 20_linux_xen to 08_linux_xen (or before 10_linux in any case), on the
> principal that if you bother to install Xen then you most likely want to
> boot it by default. I just never got round to it.

Yes, I talked to infinity today and he also thought of grub ordering. Possibly
creating the Xen entries first if a hypervisor file is found. The other thing I
tried to accomplish with the config file was to offer a template for people to
tweak boot arguments. Which probably also could go into grub.

-Stefan
> 
> Ian.
> 


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