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SubjectRe: [PATCH 0/2] Relax restrictions on setting CONFIG_NUMA on x86
On (23/01/08 11:04), KOSAKI Motohiro didst pronounce:
> Hi mel
>
> > Hi
> >
> > > A fix[1] was merged to the x86.git tree that allowed NUMA kernels to boot
> > > on normal x86 machines (and not just NUMA-Q, Summit etc.). I took a look
> > > at the restrictions on setting NUMA on x86 to see if they could be lifted.
> >
> > Interesting!
> >
> > I will test tomorrow.
>
> Hmm...
> It doesn't works on my machine.
>
> panic at booting at __free_pages_ok() with blow call trace.
>
> [<hex number>] free_all_bootmem_core
> [<hex number>] mem_init
> [<hex number>] alloc_large_system_hash
> [<hex number>] inode_init_early
> [<hex number>] start_kernel
> [<hex number>] unknown_bootoption
>
> my machine spec
> CPU: Pentium4 with HT
> MEM: 512M
>
> I will try more investigate.
> but I have no time for a while, sorry ;-)
>
>
> BTW:
> when config sparse mem turn on instead discontig mem.
> panic at booting at get_pageblock_flags_group() with below call stack.
>
> free_initrd
> free_init_pages
> free_hot_cold_page
>

To rule it out, can you also try with the patch below applied please? It
should only make a difference on sparsemem so if discontigmem is still
crashing, there is likely another problem. Assuming it crashes, please
post the full dmesg output with loglevel=8 on the command line. Thanks

--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab


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