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Date: Mon, 2 Oct 2006 22:50:53 -0700
From: Andrew Morton <akpm@osdl.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.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>
Message-Id: <20061002225053.46be0324.akpm@osdl.org>
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On Tue, 3 Oct 2006 15:19:50 +1000
Paul Mackerras <paulus@samba.org> wrote:

> --- a/arch/powerpc/xmon/xmon.c
> +++ b/arch/powerpc/xmon/xmon.c
> @@ -503,7 +503,7 @@ #endif
>  
>  	mtmsr(msr);		/* restore interrupt enable */
>  
> -	return cmd != 'X';
> +	return cmd != 'X' && cmd != EOF;
>  }
>  
>  int xmon(struct pt_regs *excp)

That fixes it.

I still get crap all over the screen when xmon is tring to print something
(at least, I assume that's what causes it).  See
http://userweb.kernel.org/~akpm/s5000334.jpg