linux-kernel - Re: [PATCH 5/6] From: Andrew Morton <akpm@...l.org>

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Message-Id: <20061002213347.8229b6fc.akpm@osdl.org>
Date:	Mon, 2 Oct 2006 21:33:47 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@....de>,
	Hugh Dickens <hugh@...itas.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH 5/6] From: Andrew Morton <akpm@...l.org>

On Tue, 3 Oct 2006 14:23:06 +1000
Paul Mackerras <paulus@...ba.org> wrote:

> 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.
> 

It makes it heaps better here.

Did you try my .config on the g5?


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