On Sun, 2009-06-14 at 17:08 +0530, Sachin Sant wrote: > Benjamin Herrenschmidt wrote: > > On Fri, 2009-06-05 at 16:59 +0530, Sachin Sant wrote: > > > >> While executing Hugetlbfs tests against 2.6.30-rc8-git1 on a > >> Power 6 box observed the following OOPS message. > I was able to recreate this with 2.6.30-git7.
Hi Sachin, Rather than "-git7" can you tell us the actual SHA, I don't know what git7 is. > Here is the supporting data. > > cpu 0x1: Vector: 300 (Data Access) at [c0000000fe9b3220] > pc: c00000000003d620: .hpte_need_flush+0x1bc/0x2d8 > lr: c00000000003d4d0: .hpte_need_flush+0x6c/0x2d8 > sp: c0000000fe9b34a0 > msr: 8000000000009032 > dar: c0000000283b0d78 This address looks pretty innocuous, but I notice you have DEBUG_PAGEALLOC=y, so presumably that's why it's triggering. I can't see from the snippet of disassembly you posted where in the C code we are, can you work it out? cheers
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