[fedora-virt] pv_ops dom0 kernel RPM, configuration & setup help anyone?
Pasi Kärkkäinen
pasik at iki.fi
Wed Jul 8 14:49:25 UTC 2009
On Wed, Jul 08, 2009 at 05:45:53PM +0300, Pasi Kärkkäinen wrote:
> On Wed, Jul 08, 2009 at 10:05:55AM -0400, Lester M. wrote:
> >
> > Thank you Pasi,
> >
> > Here is what my grub.conf entry looks like (with the xen-3.4.1 tools
> > compiled,) after you install all 4 rpms from myoung's fedorapeople page: (
> > http://fedorapeople.org/~myoung/dom0/<http://fedorapeople.org/%7Emyoung/dom0/>
> > )
> >
> > title Fedora (2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE ro
> > root=/dev/mapper/vg01-lv_root rhgb quiet nomodeset
> > initrd /initrd-2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE.img
> >
> >
> > When you compile and install xen-3.4.1 the following is created in /boot:
> >
> > -rw-r--r--. 1 root root 498660 2009-07-07 17:08 xen-3.4.1-rc6.gz
> > lrwxrwxrwx. 1 root root 16 2009-07-07 17:08 xen-3.4.gz ->
> > xen-3.4.1-rc6.gz
> > lrwxrwxrwx. 1 root root 16 2009-07-07 17:08 xen-3.gz ->
> > xen-3.4.1-rc6.gz
> > lrwxrwxrwx. 1 root root 16 2009-07-07 17:08 xen.gz -> xen-3.4.1-rc6.gz
> >
> >
> > I modified it per the pvops wiki page: (
> > http://wiki.xensource.com/xenwiki/XenParavirtOps)
> >
> > title Fedora (2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE)
> > root (hd0,0)
> > kernel /xen-3.4.1-rc6.gz dom0_mem=512M
> > module /vmlinuz-2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE ro root=/dev/mapper/vg01-lv_root rhgb quiet
> > module /initrd-2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE.img
> >
> >
>
> This looks correct..
>
> >
> > This is what is in my /etc/fstab:
> >
> > none /proc/xen xenfs defaults 0 0
> >
> >
> > So now I boot. When I boot the system the dom0 starts up instantly...., to
> > the point where it says "scrubbing free ram" then the screen goes blank and
> > all system activity ceases.
> >
>
> Hmm.. try removing the "rhgb quiet" from the vmlinuz line in grub.conf.
>
> Is the last line you see something like this?:
>
> (XEN) Scrubbing Free RAM: ..........done.
>
>
> You could also try adding "loglvl=all guest_loglvl=all noreboot" to the xen.gz line
> to grub.conf.
>
> So try with this grub.conf:
>
> title Fedora (2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE)
> root (hd0,0)
> kernel /xen-3.4.1-rc6.gz dom0_mem=512M loglvl=all guest_loglvl=all noreboot
> module /vmlinuz-2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE ro root=/dev/mapper/vg01-lv_root
> module /initrd-2.6.31-0.1.2.37.rc1.git5.xendom0.fc12.i686.PAE.img
>
>
> > Has anyone tried these rpms? I am not sure if i can scream out "bug!" "bug!"
> > because I cannot find anyone that has actually installed these rpms as part
> > of a deployment process, (a workflow, a howto, a "step by step" edit "this"
> > or edit "that".) so I am not sure if it is that I am missing a config
> > parameter or not.
> >
>
> I've used self-compiled pv_ops dom0 successfully on my testing box, but I
> haven't really tried this RPMs..
>
> If you don't
>
Heh.. forgot to finish this sentence. If you're having problems getting the
console output from xen and/or pv_ops dom0 kernel, you should set up a
serial console.
There are instructions for that on the XenParavirtOps wiki page.
-- Pasi
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