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Re: [Xen-devel] pv_ops dom0 and kernel console output problem

On Mon, Dec 29, 2008 at 12:55:42PM -0500, Todd Deshane wrote:
> On Mon, Dec 29, 2008 at 12:49 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> > On Mon, Dec 29, 2008 at 12:41:48PM -0500, Todd Deshane wrote:
> >> > Actually I'm not using serial console at all.. I only have VGA console.
> >> >
> >> >> Adding the hvc console worked for me, if I recall correctly. We should 
> >> >> add that
> >> >> to the wiki as well (if it isn't there already).
> >> >>
> >> >
> >> > So you could see the dom0 kernel boot messages on (VGA) console, after 
> >> > Xen
> >> > messages?
> >> >
> >>
> >> Actually no. I just tested now. The screen goes blank during the dom0 
> >> kernel
> >> boot and then shows back up when I get a login: prompt.
> >>
> >
> > Ok. Good to know.
> >
> >> I have done most of my testing over a serial console and with the serial
> >> console it shows up.
> >>
> >
> > So you get both the Xen and dom0 kernel messages on serial console?
> >
> > It would be nice if you could post your grub/xen/kernel settings.. just to
> > have a working reference.
> >
> 
> title           Xen 3.4-unstable DEBUG/ Ubuntu 8.10, kernel 2.6.28-rc7-tip
> root            (hd0,0)
> kernel          /boot/xen-3.4-unstable.gz loglvl=all guest_loglvl=all
> com1=115200,8n1 console=com1
> module          /boot/vmlinuz-2.6.28-rc7-tip root=/dev/sda1 ro
> console=hvc0 earlyprintk=xen xencons=ttyS0,115200 pci=nomsi
> module          /boot/initrd.img-2.6.28-rc7-tip
> 
> The rest of what I have found I have tried to post here:
> http://wiki.xensource.com/xenwiki/XenParavirtOps
> 
> Hope that helps.
> 

Thanks!

I wonder if it's about that "xencons=" option for the kernel.. I don't have
that at all. 

Let's see what happens when I get to try those. 

-- Pasi

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