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Hi, > It looks like they are already on: > > CONFIG_DEBUG_STACKOVERFLOW=y > CONFIG_DEBUG_STACK_USAGE=y You could try bumping the limit for the warning in arch/powerpc/kernel/irq.c if (unlikely(sp < (sizeof(struct thread_info) + 2048))) Change it to 4096. Unfortunately if the long call chain is in an interrupt disabled area you will not get warned. > The machine is frozen after the panic. You can do it sometime before the hang to see if you are getting close to overflowing the stack. Anton - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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