Re: [PATCH] allow xm2xl migration for xen-4.3

[Fabio Fantoni <fabio.fantoni@m2r.biz>]

Il 30/04/2014 10:26, Ian Campbell ha scritto:
> On Tue, 2014-04-29 at 20:57 +0400, v.tolstov@selfip.ru wrote:
>> From: Vasiliy Tolstov <v.tolstov@selfip.ru>
> Thanks. Which tree does this apply to and how would I go about using it?
>
> I think it applies to xen 4.3 and is supposed to allow a guest started
> by xm to be migrated with xl, to create an xl compatible vm, is that
> correct? If not can you give the method for using it please.
>
>> Fixed some python stuff for path detection
> This is all the s/pathTo/path_(bin|boot)/ stuff? I'm not sure where e.g.
> path_bin comes from, even Xen 4.4 seems to still use pathTo AFAICT and I
> can't find any of this path_bin stuff in the tree.
>
>> Provide right qemu args (videoram size not passed not, but default
>> works fine - only forward version migration possible)

I not use qemu traditional for a year, but FWIK thevideoram setting is 
correctalso with xl like xm.
About upstream qemu you can have videoram setting working with these 2 
patches tested (with xen 4.4 and 4.5) and that FWIK are working:
fix cirrus vga videoram: 
http://lists.xen.org/archives/html/xen-devel/2014-04/msg02607.html
add stdvga videoram: 
http://lists.xen.org/archives/html/xen-devel/2014-04/msg03300.html

> Can you expand on this, what does "right qemu args" mean? Since qemu is
> restarted from scratch by the toolstack I'm not sure why this would
> matter. I think this might become clearer once you explain how one is
> supposed to make use of this.
>
> Cheers,
> Ian.
>
>
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