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

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Pasi Kärkkäinen <pasik@xxxxxx>
  • Date: Fri, 26 Dec 2008 13:51:45 +0200
  • Delivery-date: Fri, 26 Dec 2008 03:52:14 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hello list!

I'm trying out pv_ops dom0 patches, and I'm having problems getting any output
from the kernel to the console. 

grub config:

title dom0-test (2.6.28-rc8-tip)
        root (hd0,0)
        kernel /xen-3.3.gz dom0_mem=512M noreboot loglvl=all guest_loglvl=all
        module /vmlinuz-2.6.28-rc8-tip ro root=/dev/vg00/lv01 console=hvc0 
earlyprintk=xen pci=nomsi
        module /initrd-2.6.28-rc8-tip.img

Is that correct? I'd appreciate comments from people who got it working.. 

I can see Xen messages on the (vga) console, but the last line I see is:

(XEN)  Xen is relinquishing VGA console 

I don't see anything from the actual dom0 kernel.. 

I'm running Xen 3.3.0-2 from Fedora rawhide (includes backported pv_ops
sysfs ballooning support). 

- Is there something else that's needed from (xen-unstable) hypervisor? 
- Or is this problem related only to the pv_ops dom0 kernel?

My Xen hypervisor and dom0 kernel are both 32 bit PAE.


-- Pasi

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