Re: [Xen-users] Xen 3.2.0 -> Newer kernel and more..

[Stephan Seitz <s.seitz@xxxxxxxxxxxx>]

Holm Kapschitzki schrieb:
> Emre Erenoglu schrieb:
> 
>> About kernel, newer kernels than 2.6.18 are not supported by XEN.
>> These are distribution specific. There's no official patch for kernels
>> above 2.6.18. So I suggest using 2.6.18 until Xen supports a higher
>> version kernel.
>>
> 
> Sorry, I doesnt unserstand nothing at all. I asked in the list how to
> use a newer kernel (xen-patched) with xen 3.1. So the answer was - Its
> just a kernel - no problem.

Basically, yes. If you don't mind to spend a view hours/days/weeks to rework
the patches ;)

> For example: Gentoo hast a 2.6.20-6 xen patched kernel. So my question
> again:
> 
> Its is possible to use this kernel under etch with xen 3.1? So it is ok
> to compile the gentoo kernel in etch und load this kernel with grub for
> dom0 after installing xen 3.1 out of the sources?

Speaking for the xen part of this question, yes, you are able to use any
xenified kernel you want as dom0, if
- it contains dom0 patches (not only linux upstream domU basic support)
- uses the same model as your hypervisor (i386/i386pae/x86_64)
- has support (or compatibility enabled) for your hypervisor version

I would expect more incompatibilities with the different distro flavours
(e.g. multilib lib vs. lib64, udev, /proc, sysfs, ...).

The question i would like to ask is: What is your primary goal with a higher
version number?
Well, the 2.6.18.8 lacks support for a few brand-new chipsets, but my 
experiences
shows me this kernel working rock-solid.
(E.g. compared to self-made "oldconfig" 2.6.22 and 2.6.23  with reworked ubuntu
dom0 patches.)


cheers,

Stephan

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