On Thu, Sep 9, 2010 at 1:03 PM, Daniel <dandadude@xxxxxxxxx> wrote:
> Hi Guys!
> I have a very interesting problem.
> I run gentoo and have been running xen-3.4.2 on 2 server computers
> (Supermicro-based, IBM).
> A little time ago, I have tried to upgrade xen-3.4.2 to xen-4.0.0 (with
> emerge) on the Supermicro server, but the computer wasn't able to boot
> - If I set xen-3.4.2.gz in the grub (with installed xen-4.0.0), it is able
> to boot normally, only xend does not start (but I don't need a livecd). This
> means that there is no problem with the kernel, only xen-4.0.0 is the fault
> What do you recommend?
Short version: it's easier to copy what others have succefully done,
and copy it. Hopefuly other Gentoo users can share their experience.
Long version: I haven't used gentoo in a long time, but my guess is
that you run into some xen-and-kernel compatibility problem.
You might want to to update your kernel as well, and/or use Xen 4.0.1.
For comparison, In RHEL/Centos5, the following combination works:
- bundled xen (3.1+) with bundled kernel-xen (2.6.18 + RHEL patches)
- newer xen 3.x (up to 3.4.3, preferably from Gitco repo) with bundled
- Xen 4.0.0 with kernel 2.6.34 +
while using Xen 4.0.0 + RHEL's kernel-xen does not work. I haven't
tested 4.0.1 yet. Also, pv_ops kernel currently require a matching
version of xen, so if you use latest pv_ops kernel for dom0, make sure
you also use latest xen version (4.0.1 or latest xen-testing).
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