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    SubjectRe: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)
    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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      Last update: 2008-10-30 22:39    [W:0.039 / U:9.720 seconds]
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