Messages in this thread | | | Date | Thu, 3 May 2007 01:27:16 -0700 | From | William Lee Irwin III <> | Subject | Re: 2.6.22 -mm merge plans: slub |
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On Thu, May 03, 2007 at 01:15:15AM -0700, Andrew Morton wrote: > That all seems to work as intended. > However with NR_CPUS=8 SPLIT_PTLOCK_CPUS=4, enabling SLUB=y crashes the > machine early in boot. > Too early for netconsole, no serial console. Wedges up uselessly with > CONFIG_XMON=n, does mysterious repeated uncontrollable exceptions with > CONFIG_XMON=y. This is all fairly typical for a powerpc/G5 crash :( > However I was able to glimpse some stuff as it flew past. Crash started in > flush_old_exec and ended in pgtable_free_tlb -> kmem_cache_free. I don't know > how to do better than that I'm afraid, unless I'm to hunt down a PCIE serial > card, perhaps.
I've seen this crash in flush_old_exec() before. ISTR it being due to slub vs. pagetable alignment or something on that order.
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