Re: Problems booting latest xen pv-ops linux kernel

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Wed, Nov 18, 2009 at 09:10:44AM +0200, Pasi Kärkkäinen wrote:
> On Wed, Nov 18, 2009 at 12:18:01AM +0100, Goswin von Brederlow wrote:
> > Hi,
> > 
> > I followed http://wiki.xensource.com/xenwiki/XenParavirtOps
> > to build a bleeding edge linux kernel with
> > 
> >   git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen
> > 
> > I build the kernel for amd64 and installed Debians
> > xen-hypervisor-3.4-amd64 package and bootet. Xen comes up nicely and
> > starts the kernel. It detects my SATA disk (sata_sil driver) but then
> > fails to read block 0. Something in xen breaks the sata_sil driver.
> > 
> > Booting the kernel as bare-metal works fine.
> > 
> > Anyone an idea what is wrong? The wiki lists a few problems (e.g. on
> > 32bit use CONFIG_HIGHPTE=n) but nothing for 64bit. Anything config
> > option known to have sideeffects?
> > 
> 
> You could try my .config:
> 
> cd linux-2.6-xen
> cp -a .config .config-old
> wget -O .config http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.31.4-pvops_dom0-x86_64
> make oldconfig
> <continue as usual>

Pasi,

The idea of the Wiki and people using it has been quite a good one. Do you think
it would make sense to include a checklist of things to when things don't work.
As in:

 1). Try this .config.
 2). Get serial console ('dmesg + xm dmesg') output to Xen-devel. To get this
     via the serial console follow these steps: ...blah blah

 3) and so on.