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Date: Tue, 3 Oct 2006 14:23:06 +1000
From: Paul Mackerras <paulus@samba.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       Andi Kleen <ak@muc.de>, Hugh Dickens <hugh@veritas.com>,
       Michael Ellerman <michael@ellerman.id.au>,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH 5/6] From: Andrew Morton <akpm@osdl.org>
In-Reply-To: <20061003010933.392428107@goop.org>
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	<20061003010933.392428107@goop.org>
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Jeremy Fitzhardinge writes:

> When my test machine hits a BUG, it simply returns from the exception handler
> after a second or so and reexecutes the bug.
> 
> This is independent of the use-generic-bug changes and might be related to
> XMON.
> 
> So it's some unknonw bug, and this change makes the powerpc kernel behave
> better when that bug hits.

NACK as to this part:

> +			if (btt == BUG_TRAP_TYPE_BUG)
> +				do_exit(SIGSEGV);

since it makes the kernel behave distinctly *worse* for me.

Paul.