Messages in this thread | | | Subject | Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected) | From | Dave Kleikamp <> | Date | Thu, 30 Oct 2008 16:35:47 -0500 |
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On Thu, 2008-10-30 at 17:05 -0400, Josh Boyer wrote: > On Fri, Oct 31, 2008 at 07:52:02AM +1100, Paul Mackerras wrote: > >Mel Gorman writes: > > > >> On some ppc64 machines, NVRAM is being corrupted very early in boot (before > >> console is initialised). The machine reboots and then fails to find yaboot > >> printing the error "PReP-BOOT: Unable to load PRep image". ... > >Eek! > > > >Which ppc64 machines has this been seen on, and how were they being > >booted (netboot, yaboot, etc.)? > > > >Is it just the Powerstations with their SLOF-based firmware, or is it > >IBM pSeries machines as well? > > I'm pretty sure it was with pSeries machines. I saw reports of POWER5 > being effected (p520 and p710). I believe one of them resolved the > issue by upgrading firmware on the machine.
This is true of a p720 (CHRP IBM,9124-720) that I was testing on. With upgraded firmware, the problem is gone.
-- David Kleikamp IBM Linux Technology Center
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