Re: kernel BUG w/ Dom0

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On Tue, Mar 23, 2010 at 10:05:50AM -0500, Jerry Amundson wrote:
> On 3/23/10, M A Young <m.a.young@xxxxxxxxxxxx> wrote:
> > On Mon, 22 Mar 2010, Jerry Amundson wrote:
> >
> >> Serial output of boot is attached.
> >> Quite possible I'm crazy to think I could get this to work... :-)
> >> Machine is a Dell Optiplex 755 (Intel Core2 Duo) running FC12.
> >> I rebuilt the 3.4.2-2 src rpm from fc13.
> >>
> >> kernel-2.6.32.9-1.2.89.xendom0.fc12.x86_64
> >
> > That won't help you as kernel-2.6.32.9-1.2.89.xendom0.fc12 needs at least
> > 3.4.3 or 4.0.0 (or release candidates for them). There is a 4.0.0 rc6
> > source RPM at
> > http://myoung.fedorapeople.org/dom0/src/xen-4.0.0-0.4.rc6.fc12.src.rpm
> > though I will replace that later as rc7 has just come out.
> 
> Ok, thanks, I figured it was just me being me. I'll look for rc7 later then.
> Is this documented anywhere for Fedora 12/13 dom0 setup? If not, I can
> add this requirement to the xen and fedora wiki's, as it didn't jump
> out at me.
>

-rc7 is here:
http://myoung.fedorapeople.org/dom0/src/xen-4.0.0-0.5.rc7.fc12.src.rpm

-rc7 worked OK for me.
 
> I assume 3.4.3 would only be from the xen-3.4-testing hg bits? Any
> pros/cons between 3.4 and 4.0? You provide the 4.0 so I suppose that
> is targeted to be released with the dom0 kernel, so I would be wise to
> go with that, right? :-)
> 

Yes, 3.4.3 is from xen-3.4-testing.hg. That's where Xen 3.4.x releases are made from.

pv_ops dom0 kernels from "xen/next" and "xen/stable-2.6.32.x" branches from Jeremy's xen.git
repository require new IOAPIC setup model, which is only available in Xen 3.4.3 
and Xen 4.0.0 hypervisors.

changelogs:
http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/next
http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/stable-2.6.32.x

More information:
http://wiki.xensource.com/xenwiki/XenParavirtOps
http://wiki.xensource.com/xenwiki/XenDom0Kernels

-- Pasi

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