Re: current xen/stable 2.6.32.9 failed upgrade from 2.6.31.6

["Pasi Kärkkäinen" <pasik@iki.fi>]

On Thu, Mar 11, 2010 at 04:08:23PM +0100, Josip Rodin wrote:
> On Mon, Mar 08, 2010 at 12:31:47AM +0100, Josip Rodin wrote:
> > > > I tried adding loglvl=all guest_loglvl=all sync_console console_to_ring
> > > > to the hypervisor options, and console=hvc0 earlyprintk=xen initcall_debug
> > > > to the kernel options, to no avail. The hypervisor showed the sync console
> > > > warning, but the dom0 kernel didn't change its behaviour.
> > > 
> > > You should set up a serial console so you can capture the boot/error logs,
> > > and we can analyze them to troubleshoot the problem, see:
> > > 
> > > http://wiki.xensource.com/xenwiki/XenSerialConsole
> > 
> > The machine has iLO VSP, so I'll try that next time I have a debugging
> > time slot, thanks.
> 
> Sadly, it looks this iLO VSP is completely useless, because when I defined
> com1, the hypervisor started *not* displaying anything on the physical
> console or the virtual serial port. I tried this once and it made the
> machine seem broken for a while, when all of the sudden fifteen minutes
> later it happily showed the getty on ttyS1 on VSP.
> 
> I wonder if perhaps this was caused by some hypervisor console lock timeout
> expiring, so I tried to change the setup a bit by removing that getty from
> inittab. Then I rebooted it again, and the machine again became catatonic
> for a while, but it didn't come back like the last time - it doesn't ping,
> nothing is shown on physical console, and nothing is shown on VSP. :(
> 
> Maybe I'm missing something regarding the iLO VSP setup on this HP DL380...
> 

If you boot baremetal (non-Xen) Linux, on what IO-port and IRQ is the iLO serial port? 

Is it on the standard IO-port/IRQ, or some non-standard? In this case you might have
to specify the IOport on the xen cmdline options in grub.conf.

See also:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00263709/c00263709.pdf

-- Pasi