[CentOS-virt] RHEL 5.5 Xen fixes

Wed Mar 31 19:43:38 UTC 2010
Grant McWilliams <grantmasterflash at gmail.com>

On Wed, Mar 31, 2010 at 11:38 AM, Pasi Kärkkäinen <pasik at iki.fi> wrote:

> Hello,
>
> RHEL 5.5 has been released, and it contains many Xen related fixes.
>
> Here's the most important of the them.. fixing a dom0 caching bug which
> could cause domU disk corruption when the domU disk was accessed from dom0
> after the domU was shutdown. Most people noticed this bug when pygrub
> used wrong (cached) information.
>
> "pygrub uses cached and eventually outdated grub.conf, kernel and initrd":
> https://bugzilla.redhat.com/show_bug.cgi?id=466681
>
>
> And some more:
>
> "Xen hypervisor doesn't mask xsave feature from the guest; Fedora 11 PV
> domU kernel crashes":
> https://bugzilla.redhat.com/show_bug.cgi?id=524719
>
> "[RHEL-5 Xen]: F-11 Xen 64-bit domU cannot be started with > 2047MB of
> memory":
> https://bugzilla.redhat.com/show_bug.cgi?id=502826
>
> " Boot hang when installing HVM DomU":
> https://bugzilla.redhat.com/show_bug.cgi?id=524052
>
> "[RHEL5 Xen]: PV guest crash on poweroff":
> https://bugzilla.redhat.com/show_bug.cgi?id=540811
>
> "[RHEL5 Xen]: Cpu frequency scaling is broken on Intel":
> https://bugzilla.redhat.com/show_bug.cgi?id=553324
>
>
>
> RHEL 5.5 kernel changelog:
> http://rhn.redhat.com/errata/RHSA-2010-0178.html
>
>
> Work-in-progress (Not yet in 5.5):
>
> "Grub2 guest support for RHEL5 Xen pygrub":
> https://bugzilla.redhat.com/show_bug.cgi?id=577511
>
>
> -- Pasi
>


Are these changes in the kernel or changes to the installed Xen? I'm
wondering if this effects anyone using Xen 3.4 or newer.


Grant McWilliams

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.
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