Re: 2.6.17-rc2-mm1

[Martin Bligh <mbligh@google.com>]

> That's really strange - i wonder why the backtracer can't find the original
> stack. Should probably add some printk diagnosis here.
> 
> Can you send the output with this patch?
> 
> Index: linux/arch/x86_64/kernel/traps.c
> ===================================================================
> --- linux.orig/arch/x86_64/kernel/traps.c
> +++ linux/arch/x86_64/kernel/traps.c
> @@ -238,6 +238,7 @@ void show_trace(unsigned long *stack)
>  			HANDLE_STACK (stack < estack_end);
>  			i += printk(" <EOE>");
>  			stack = (unsigned long *) estack_end[-2];
> +			printk("new stack %lx (%lx %lx %lx %lx %lx)\n", stack, estack_end[0], estack_end[-1], estack_end[-2], estack_end[-3], estack_end[-4]);
>  			continue;
>  		}
>  		if (irqstack_end) {

Thanks for running this Andy:

http://test.kernel.org/abat/30183/debug/console.log