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SubjectRe: 2.6.28-rc9 panics with crashkernel=256M while booting
On Friday 16 January 2009 23:22:57 Dave Hansen wrote:
> Just looking at it, that calculation is OK. But, there was one in your
> dmesg that looked a page too long, like page 0x1001 instead of 0x1000.
> I'd find out how that happened.

That is a result of PFN_UP() in reserve_bootmem_node() for which we hit the
BUG_ON() eventually. Prior to calling reserve_bootmem_node() we have...

node_ar.end_pfn = node->node_end_pfn = PFN_DOWN(physbase+reserve_size).

Hence a PFN_UP() will raise the value of 'end'. The kernel has
CONFIG_PPC_64K_PAGES enabled in the config.


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