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xen-devel
Re: [Xen-devel] testing 32bit PAE pv_ops dom0...
On Sat, Jan 10, 2009 at 10:27:03PM +0200, Pasi Kärkkäinen wrote:
> On Sat, Jan 10, 2009 at 09:05:17PM +0100, Marc - A. Dahlhaus wrote:
> > Pasi Kärkkäinen schrieb:
> > >On Sat, Jan 10, 2009 at 06:45:59PM +0100, Marc - A. Dahlhaus wrote:
> > >
> > >>Hello,
> > >>
> > >>i had no luck in booting 32bit PAE pv_ops dom0 on xen-3.4-unstable so
> > >>far...
> > >>Booting the bzImage on bare Metal works like a charm (it's even stable
> > >>under high load), but booting the vmlinux over xen gives just a jump of
> > >>the cursor to the top left corner after the last messages from the
> > >>hypervisor. My Test-Box (Dell XPS-720) lacks a serial port so i can't
> > >>check if it's just a vga issue.
> > >>
> > >>I have most xen related options configured as modules maybe that might
> > >>be the problem. I'll try to check that out over the next week.
> > >>
> > >>Next thing i'll try is to use xen-3.3.1 hypervisor to check that it's
> > >>not hypervisor related.
> > >>I also try to dig out some older Boxes on which 3.3.1 runs at the moment
> > >>and try if it actually prints something to a serial console...
> > >>
> > >>
> > >
> > >VGA console is not currently working in pv_ops dom0 patches. At least I
> > >haven't figured out how to make it work.
> > >
> > >Serial console works for me.
> > >
> > >There seems to be some problems with IRQ routing (?).. and thus ahci and
> > >ata_piix
> > >drivers don't seem to work currently.
> > >
> > >Hopefully next week we can get some debugging done when Jeremy is back.
> > >
> > >-- Pasi
> > >
> > Hello Pasi,
> >
> > followed the discussions about that and was sad to read that as my boxes
> > here also use the ata_piix module to
> > get the root device. I'll try to build a x86_64 image tomorrow as is
> > think it's a PAE problem.
> > Can you send me your working kernel config file?
> >
>
> My pv_ops dom0 kernel (32b PAE) config is here:
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.28-rc8-tip-dom0
>
Oh, forgot to mention that I'm not sure if that config is totally
correct/OK, since I can't get my dom0 kernel to boot up because of the
ata_piix problems :) It _seems_ to be OK based on what I can see happening
before it fails because no root volume found.
That config is made with "make oldconfig" from Fedora 10 default PAE kernel,
and then
I added pv_ops dom0 options etc.
-- Pasi
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