Re: [Xen-users] Recent Dom0 kernel

[Paul Schulze <avlex@xxxxxxx>]

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Am 25.01.2009 um 19:22 schrieb Bastian Blank:

> On Sun, Jan 25, 2009 at 11:03:23AM +0100, Paul Schulze wrote:
> >                                           I have tried patching the
> > Ubuntu Intrepid kernel 2.6.27 with the Gentoo patches, created from
> > Novells kernel 2.6.27-xen.hg tree and the Novell kernel itself, but I
> > keep getting BUG()s all over the place and than the kernel crashes,
> > so both seem out of the question.
> So you tried to merge two _huge_ patchsets. This can't really work.
Basically, yes, if you consider the Xen part of the Novell  
linux-2.6.27-xen.hg tree as _huge_. Please understand, that I did not  
try to just patch the Ubuntu Intrepid Diffs into that tree. Also  
note, that I tried to use the linux-2.6.27-xen.hg tree itself,  
without any patching and I got the same results. So my approach to  
the whole thing seems to be working, but the resulting kernel is not,  
in both cases.

> >                                   I have also tried to find patches
> > for kernel 2.6.25-26, but no luck so far (I know Debian has some, but
> > I haven't found the correct ones in the source package).
> There exists binary and source packages.
I know, I already had the Debian source package (as I stated), but  
there is a truck load of patches in them and some depend on others,  
so the better question here would have been, if someone has a hint  
for me on which patches I would actually need to apply to a vanilla  
kernel in order to get Xen support. At the moment, I am trying a  
different approach to determine, what I need, but a hint would still  
be helpful, since it is going rather slow.

> > There are many reasons, hardware support and security mostly.
> No. RHEL is both security supported and they add new (server) hardware
> support.
Please don't assume, I am using server hardware, just because I am  
running a server, there is half-decent hardware out there, that  
doesn't say "Server" on the package as well as the all important  
price tag. I have tried the XenLinux tree before on another system  
and I had trouble with hardware support, so it is my very last resort  
(if even).

> >                                                               The
> > system my Xen server is supposed to run on, is about 6 months old
> > (the hardware itself was released spring 2008) and contains it
> > components that simply aren't supported in a kernel that is more than
> > two years old.
> Server hardware is rather unproblematic from my view.
>
> A quick view in the changelog of the Debian Etch package shows 3  
> updates
> which includes such hardware:
> - 3ware 9650/9690
> - New intel network chips
> - Compaq smart array
>
> If you want to do anything yourself, your are rather lost, yes.
Well, I've done alot of stuff by myself, so this won't get me down.  
Or in other words, I am not as new to Linux as you might think  
(though for whatever reason, my first post might have given you that  
impression).

> >              So if you, or anyone else has some hints for me, that
> > would be really great.
> apt-get install linux-image-2.6.26-1-xen-amd64
>Reading package lists... Done
>Building dependency tree
>Reading state information... Done
>E: Couldn't find package linux-image-2.6.26-1-xen-amd64
Ubuntu Hardy (main, universe, multiverse, backports) with Xen 3.3,  
remember? Additional repositories might be ok, but mixing Ubuntu and  
Debian main repositories is kinda dangerous, don't you think ;) ?.  
And yes, there is a Xen kernel available, its just a little older  
(Xen 3.2) with no more recent Xen kernel in the Intrepid release, so  
no PvSCSI and with CONFIG_XEN_PCIDEV_BACKEND_VPCI set as the PCI  
passthrough backend.
> Ah, and stop top-posting.
Only if you say "please" :) .

And thanks, rethink the whole thing just got me a new idea.


Paul.

- --
Paul Schulze
Mail: avlex  gmx  net ($1@$2.$3)
Public Key: http://solaris-net.dyndns.org/keys/key_avlex.asc

"Making mistakes is human,
but to really screw things up, you need Computers"

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