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