mpic discovery on JS20

[Michael Ellerman]

On Thu, 2006-07-20 at 19:16 -0400, Amos Waterland wrote:
> Current Linus and Paulus trees do this on JS20 blades with SLOF:
> 
>  Failed to locate the MPIC interrupt controller
>  PID hash table entries: 4096 (order: 12, 32768 bytes)
>  Maple: Found RTC at IO 0x1070
>  cpu 0x0: Vector: 700 (Program Check) at [c00000007ef83ab0]
>      pc: c00000000002e0c8: .mpic_request_ipis+0x34/0xc8
>      lr: c00000000036b484: .smp_mpic_probe+0x3c/0x58
>      sp: c00000007ef83d30
>     msr: 9000000000029032
>    current = 0xc00000000194d610
>    paca    = 0xc00000000038f180
>      pid   = 1, comm = swapper
>  kernel BUG in mpic_request_ipis at arch/powerpc/sysdev/mpic.c:1132!

Does this help?

cheers

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