Re: A patch to arch/i386/kernel/irq.c to help get backtraces of (near) stack overflow situations

John Hughes wrote:
> I'm working on a system that is using a bit too much stack to work 
> reliablty with 4K stacks (OpenSSI with DRBD for the root filesystem 
> replication) and I find that the CONFIG_DEBUG_STACKOVERFLOW stuff 
> works rather poorly - often the stack dump will cause a stack overflow 
> itself.
>
> Here's a little patch to irq.c to make stack overflow dumps use a 
> seperate stack.
Andi Kleen helpfully points out that this problem is fixed in current 
kernels by
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=de9b10af1287bf25b9c0433de53a2e95ef611aa7


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