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Re: reserved instruction exception on MIPS IDT 79S334A

To: atul srivastava <atulsrivastava9@rediffmail.com>
Subject: Re: reserved instruction exception on MIPS IDT 79S334A
From: Ralf Baechle <ralf@linux-mips.org>
Date: Mon, 16 Sep 2002 16:41:37 +0200
Cc: linux-mips@linux-mips.org
In-reply-to: <20020916131454.3464.qmail@webmail25.rediffmail.com>; from atulsrivastava9@rediffmail.com on Mon, Sep 16, 2002 at 01:14:54PM -0000
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On Mon, Sep 16, 2002 at 01:14:54PM -0000, atul srivastava wrote:

> till now everything was alright...
> now enabled the support for NFS mounting of root filesystem 
> instead of Ramdisk , but running the
> image gave "Reserved Instruction Exception".
> 
> anybody has experienced this before ..?
> 
> do I need any flag in complier..?
> 
> on net i do find this type of exception description
> under topic "difference between IDT RC4640/RC64474/RC64574" ..but 
> how i take care of that..

I bet you're not properly flushing the caches before executing the unpacked
code.

  Ralf

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