64-bit 2.6.17.7 SMP hangs in __cpu_up().

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Anyone seen anything like this?

Execution does not get past the loop:

  while (!cpu_isset(cpu, cpu_callin_map))
    udelay(100);

The other CPU is not coming up.

32 bit SMP works fine.

The board is a relative of the Broadcom BigSur. The processor CPU is the
1280, dual core.


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