suspend/idle hanging

[Luke -Jr]

I finally got Linux and BusyBox booting on my board, but I've encountered a 
fairly odd problem... any task that sleeps just goes dead entirely, never 
resuming. If I enable networking support, this seems to happen before init is 
even spawned (in this case, inside cpu_idle() according to remote gdb).

I'm guessing interrupts aren't firing for some reason, but does anyone else 
have any ideas? Maybe this is more obvious/common than I'm guessing.

Thanks,

Luke
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