Badari Pulavarty wrote: > On Tue, 2005-11-08 at 14:52 -0500, Dave Anderson wrote: > > BTW-- what kernel version introduced this change for ppc64? > > 4-level pagetable went into 2.6.14 for ppc64. > Yuck. That reminds me that "pud_clear_bad()" is not a good > choice for detecting new layout (its a generic routine - not > ppc64 specific and is in 2.6.11 onwards). > > Funny thing is, I am not sure original crash is working > on pre-2.6.14 kernel either. I see PTE_SHIFT changed from > 16 to 17 in 2.6.10. I guess crash is broken from 2.6.10 > onwards for ppc64. > > 2.6.10 onwards: > #define PTE_SHIFT (17) > > < 2.6.10: (which crash understands) > #define PTE_SHIFT (16) The PTE_SHIFT change was orthogonal to the intro of 4-level page tables? You would think that they would be tied together, no? Dave
