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Re: [Xen-users] 2.6.32 Kernel Debian

On Thu, Mar 18, 2010 at 01:43:30PM -0300, Martinx - ?$B%8%'!<%`%: wrote:
>    Hi!
>    Ã The Xen and the Linux from [1]http://xen.org is a rock
>    solid.
>    Ã I REALLY do not understand why the Debian Xen Team just don't pack the
>    Linux from [2]http://xen.org for Squeeze dom0, if there are
>    no stable options available out there.

linux-2.6.18-xen from xen.org doesn't have the latest security updates in it,
so it would be extra work for distribution kernel maintainers to manage 
security updates for another/extra kernel.
>    Ã What is the point in make a hard work to get a unstable system? As the
>    Lenny (dom0) and the Hardy (dom0), for example?!? No one actually are
>    using it!

Distributions like Debian don't have dedicated full-time developers that can
troubleshoot, debug and fix bugs.

So Debian wants to rely on the long-term supported 2.6.32 kernel for Squeeze,
because it will be included in other distributions aswell, so the patches
for bugs are much easier to get, since there are much more developers working 
maintaining the kernel.

>    Ã I never use in a production environment, the Xen packaged from some
>    distribution. They always have a bug here and there... Then I am forced to
>    manually compile Xen and Linux from [3]xen.org and all my problems go away
>    as magic!

Yeah, linux-2.6.18-xen is stable, if it supports your hardware.

>    Ã And if Debian Squeeze works seamlessly with the Xen and the Linux
>, I believe that the maintainers of the Xen in the Debian
>    SHOULD only pack the sources from [4]xen.org WITHOUT any significant
>    modifications. Of course, only when you want a dom0.

The upcoming Xen 4.0.0 release from xen.org will be using pv_ops dom0 kernel 
(2.6.32) as a default!

linux-2.6.18-xen will still work with xen 4.0.0 hypervisor, but 
linux-2.6.18-xen is not the default or
recommended kernel for Xen 4.0.0+ anymore.

>    Ã Some will say that the Linux is prehistoric but, then why not
>    use the same kernel used in the project XCP, the
>    kernel- for the Squeeze? It is
>    stable too and much more recent than the 2.6.18!

It's again about the maintenance, and the amount of work needed to do it.
Debian wants to ship just a single kernel!

-- Pasi
>    Regards,
>    Thiago
>    2010/3/18 Markus Hochholdinger <[5]Markus@xxxxxxxxxxxxxxxxx>
>      Hello,
>      Am 17.03.2010 um 20:53 Uhr schrieb Martinx - Ã*ÅÃ*ÂÃ*ÅÃ* Ã*Â
>      <[6]thiagocmartinsc@xxxxxxxxx>:
>      > Yeah!!! Great news!
>      >
>      Ã [7]http://packages.qa.debian.org/l/linux-2.6/news/20100317T161016Z.html
>      > Ã linux-image-2.6.32-4-xen-686 - Linux 2.6.32 for modern PCs, Xen dom0
>      > support
>      > Ã linux-image-2.6.32-4-xen-amd64 - Linux 2.6.32 for 64-bit PCs, Xen
>      dom0
>      > support
>      > Ã It will be a paravirt_ops or the SUSE port forward?!
>      i'm not sure, it rumours it will be a pv_ops kernel. But till now i've
>      found
>      no definite information about that.
>      Another info about the kernel:
> [8]http://womble.decadent.org.uk/blog/debian-linux-packages-the-big-bang-release
>      --
>      greetings
>      eMHa
> References
>    Visible links
>    1. http://xen.org/
>    2. http://xen.org/
>    3. http://xen.org/
>    4. http://xen.org/
>    5. mailto:Markus@xxxxxxxxxxxxxxxxx
>    6. mailto:thiagocmartinsc@xxxxxxxxx
>    7. http://packages.qa.debian.org/l/linux-2.6/news/20100317T161016Z.html
>    8. 
> http://womble.decadent.org.uk/blog/debian-linux-packages-the-big-bang-release

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