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Date: Fri, 09 Aug 2002 13:54:30 -0700
From: Dave Hansen <haveblue@us.ibm.com>
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To: Badari Pulavarty <pbadari@us.ibm.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: kernel BUG at /usr/src/linux-2.5.30/include/linux/dcache.h:261!
References: <200208091732.g79HW4q02868@eng2.beaverton.ibm.com>
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Badari Pulavarty wrote:
> Code;  c0160d0f <d_unhash+f/70>   <=====
>    0:   0f 0b                     ud2a      <=====
> Code;  c0160d11 <d_unhash+11/70>
>    2:   05 01 00 db 2a            add    $0x2adb0001,%eax
> Code;  c0160d16 <d_unhash+16/70>
>    7:   c0                        (bad)  

Doesn't that (bad) instruction look suspicious?  Martin was seeing 
strange oopses on Hummer (16-way NUMA-Q) compiling with egcs 2.91 
because it was generating bad instructions.  It may be another 
problem, but that c0 jumped out at me.  The two instructions after it 
look bretty bogus too.

-- 
Dave Hansen
haveblue@us.ibm.com

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