Re: [PATCH 7/7] sparc64: Add function graph tracer support.

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From: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Date: Sun, 18 Apr 2010 17:31:24 +0200

> That reminds me badly the problems with NMIs, and I saw
> an NMI path in one of the dumps, so I guess you were
> right after all as it looks like more an NMIs related problem
> rather than a recursion.
> 
> I thought if I won't enable the watchdog I wouldn't have NMIs
> but I have some in /proc/interrupts

Maybe this patch helps your case but I still get crashes even with
NMIs disabled, since as I mentioned the other day I've already
tested with them disabled.

To turn them off, simply make arch/sparc/kernel/pcr.c:pcr_arch_init()
immediately return 0 and you'll have no NMIs at all.
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