Re: [Xen-devel] Crash on boot with 2.6.37-rc8-git3

[M A Young <m.a.young@xxxxxxxxxxxx>]

On Thu, 20 Jan 2011, Konrad Rzeszutek Wilk wrote:

> I think my math is off here. The reserve call is made on the
> df659800 -> df66d7ff, that would be 20 pages of data. The last
> PFN df66d is where it dies b/c there is no PTE entry set for it?
>
> What happens if you fudge the code so it allocates those pages to be
> page aligned. So df65a000->df66e000 ? We skip this way the region
> df659800->df659fff and start on a new PFN (and pte).
I get (though the photo isn't clear in places) df659000->df66cfff and it 
crashes at find_range_array+0x4d/0x56 which traces back to the 
call of memblock_find_dma_reserve from setup_arch in 
arch/x86/kernel/setup.c . So it still crashes, but at a slightly later 
stage.
        Michael Young

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