Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Mel Gorman
On Fri, Oct 31, 2008 at 10:10:55PM +1100, Paul Mackerras wrote: > Mel Gorman writes: > > > Yaboot in my case and I've heard it affected a DVD installation. I don't > > know for sure if it affects netboot but as I think it's something the > > kernel is doing, it probably doesn't matter how it gets

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Paul Mackerras
Benjamin Herrenschmidt writes: > Unless missed something, I think it's narrowed already. When loaded from > yaboot, there is no relevant difference between zImage and vmlinux here. > IE. yaboot parses the ELF header of the zImage itself and ignores the > special notes anyway so only the CAS firmwa

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Mel Gorman
On Fri, Oct 31, 2008 at 10:18:38PM +1100, Paul Mackerras wrote: > Mel Gorman writes: > > > Yaboot in my case and I've heard it affected a DVD installation. I don't > > know for sure if it affects netboot but as I think it's something the > > kernel is doing, it probably doesn't matter how it gets

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Benjamin Herrenschmidt
On Fri, 2008-10-31 at 22:18 +1100, Paul Mackerras wrote: > Mel Gorman writes: > > > Yaboot in my case and I've heard it affected a DVD installation. I don't > > know for sure if it affects netboot but as I think it's something the > > kernel is doing, it probably doesn't matter how it gets loaded?

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Mel Gorman
On Fri, Oct 31, 2008 at 10:10:55PM +1100, Paul Mackerras wrote: > Mel Gorman writes: > > > Yaboot in my case and I've heard it affected a DVD installation. I don't > > know for sure if it affects netboot but as I think it's something the > > kernel is doing, it probably doesn't matter how it gets

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Paul Mackerras
Mel Gorman writes: > Yaboot in my case and I've heard it affected a DVD installation. I don't > know for sure if it affects netboot but as I think it's something the > kernel is doing, it probably doesn't matter how it gets loaded? I do need to know whether it was the vmlinux or the zImage.pserie

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Paul Mackerras
Mel Gorman writes: > Yaboot in my case and I've heard it affected a DVD installation. I don't > know for sure if it affects netboot but as I think it's something the > kernel is doing, it probably doesn't matter how it gets loaded? What changed in that commit was the contents of a couple of struc

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-31 Thread Mel Gorman
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 PR

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-30 Thread Dave Kleikamp
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

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-30 Thread Josh Boyer
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 im

Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-30 Thread Paul Mackerras
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". It's nowhere near > as serious as the ftrace+e1000 problem as

2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

2008-10-30 Thread Mel Gorman
On Thu, Oct 23, 2008 at 09:10:29PM -0700, Linus Torvalds wrote: > > It's been two weeks, so it's time to close the merge window. A 2.6.28-rc1 > is out there, and it's hopefully all good. > I first encountered this problem in SLES 11 Beta 2 but now I see it affects 2.6.28-rc1 too. On some ppc64