On Wed, 20 Sep 2006, Michael Mansour wrote:

> Hi Connie,
> 
> > > Hi,
> > > 
> > > I've recently rebuilt some of my DL360's from earlier releases to SL4.3
> > > 
> > > With the HP Proliant DL360's (generation 1) single CPU units, they refuse to
> > > boot the latest 2.6.9-42.0.2.EL kernel, but boot fine from the earlier
> > > 2.6.9-34.EL kernel.
> > > 
> > > There's no kernel panic from the boot screen, just hangs on boot and the
> > > machine has to be power cycled.
> > > 
> > > On exactly the same model servers but with an extra CPU, booting off the
> > > latest SMP kernel boots fine.
> > > 
> > > Any ideas how I can troubel-shoot this one?
> > > 
> > > I've yet to disbale the "quiet" boot mode to see exactly where it hangs. I've
> > > also yet to try to boot an SMP kernel on a UP server to see if it would
> > > actually work.
> > 
> > If hyperthreading is turned on try turning it off.
> 
> There's no hyperthreading on these machines. 1Ghz PIII cpu's.
> 
> > Also could try
> > 
> >    linux noapci

Sorry that should be

       linux acpi=off

or another one to try

       linux noapic

I get those backwards all the time.

-connie

> 
> I'll definately try that and let you know.
> 
> Michael.
> 
> > -connie
> 
>