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Re: what is the right behavior of copy_to_user(0x0, ..., ...)?

To: Jun Sun <jsun@mvista.com>
Subject: Re: what is the right behavior of copy_to_user(0x0, ..., ...)?
From: Ralf Baechle <ralf@oss.sgi.com>
Date: Fri, 3 May 2002 16:23:37 -0700
Cc: linux-mips <linux-mips@oss.sgi.com>
In-reply-to: <3CD3052B.1050400@mvista.com>; from jsun@mvista.com on Fri, May 03, 2002 at 02:46:19PM -0700
References: <3CD3052B.1050400@mvista.com>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5.1i
On Fri, May 03, 2002 at 02:46:19PM -0700, Jun Sun wrote:

> When running LTP, I notice that recent kernel has a kernel access fault:
> 
> <1>Unable to handle kernel paging request at virtual address 00000000, epc
> == 80273860, ra == 80205aa4

Well, decode the oops message.  The question is what is at 0x80273860?

  Ralf

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