Re: [Xen-users] Running Xen 4.0.0-rc8 with Linux 2.6.32.10 paravirt_ops dom0 on top of Ubuntu Lucid 10.04 64bits.,

[Gerry Reno <grenoml@xxxxxxxxx>]

--- On Thu, 4/22/10, Gerry Reno <grenoml@xxxxxxxxx> wrote:

> From: Gerry Reno <grenoml@xxxxxxxxx>
> Subject: Re: [Xen-users] Running Xen 4.0.0-rc8 with Linux 2.6.32.10 
> paravirt_ops dom0 on top of Ubuntu Lucid 10.04 64bits.,
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Date: Thursday, April 22, 2010, 10:44 PM
> 
> --- On Thu, 4/22/10, Gerry Reno <grenoml@xxxxxxxxx>
> wrote:
> 
> > From: Gerry Reno <grenoml@xxxxxxxxx>
> > Subject: Re: [Xen-users] Running Xen 4.0.0-rc8 with
> Linux 2.6.32.10 paravirt_ops dom0 on top of Ubuntu Lucid
> 10.04 64bits.,
> > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > Date: Thursday, April 22, 2010, 9:34 PM
> > 
> > --- On Thu, 4/22/10, Gerry Reno <grenoml@xxxxxxxxx>
> > wrote:
> > 
> > > From: Gerry Reno <grenoml@xxxxxxxxx>
> > > Subject: [Xen-users] Running Xen 4.0.0-rc8 with
> Linux
> > 2.6.32.10 paravirt_ops dom0 on top of Ubuntu Lucid
> 10.04
> > 64bits.,
> > > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > > Date: Thursday, April 22, 2010, 3:02 PM
> > > I upgraded a karmic server yesterday
> > > to lucid.  Now I want to install Xen both dom0
> and
> > domU
> > > so I tried to install the xen-3.3 package but it
> says
> > > Couldn't find package xen-3.3.  Do I need to
> > > compile/run the dom0 kernel first before I can
> install
> > the
> > > userland Xen?
> > > 
> > 
> > 
> > Ok, I built 2.6.32.10 following the steps from earlier
> in
> > this thread and the build went without errors.  The
> new
> > kernel won't boot however as a regular kernel.  I
> get
> > an immediate stacktrace which I haven't been able to
> capture
> > yet.  Shows things like 'kernel-init', 'child_rip',
> > 'general_protection'.  Still looking at it...
> > 
> > -Gerry
> > 
> 
> Is it possible to just take the XEN configs and add them to
> the existing 'config-2.6.32-21-server' config file?  Or
> is the standard lucid kernel too new?
> 
> -Gerry
> 

Ok, I've carefully built the latest pv_ops dom0 kernel twice.  Once from the 
config in the howto and once from the lucid server config modified by adding 
all the XEN configurations.  I get the same result both ways.  The pv_ops dom0 
kernel crashes right at the start of boot complaining like this:

do_exit
oops
a bunch of vmalloc stuff
child_rip
kernel_init
child_rip

The cpu is amd phenom ii x4 quad-core.  Can anyone shed some light on what may 
be the problem here?  

BTW:  I previously had the pv_ops dom0 2.6.31.6 kernel built and running on 
this hardware just fine under karmic.  But that kernel had issues with 
rxchecksumming.  I upgraded the server to lucid and am now trying to compile a 
new pv_ops dom0 kernel for it.

-Gerry






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