From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.3/8.12.3) with ESMTP id g43NMXwJ032754 for ; Fri, 3 May 2002 16:22:33 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.3/8.12.3/Submit) id g43NMXjV032753 for linux-mips-outgoing; Fri, 3 May 2002 16:22:33 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from dea.linux-mips.net (localhost [127.0.0.1]) by oss.sgi.com (8.12.3/8.12.3) with ESMTP id g43NMVwJ032750 for ; Fri, 3 May 2002 16:22:31 -0700 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.1) id g43NNbJ27414; Fri, 3 May 2002 16:23:37 -0700 Date: Fri, 3 May 2002 16:23:37 -0700 From: Ralf Baechle To: Jun Sun Cc: linux-mips Subject: Re: what is the right behavior of copy_to_user(0x0, ..., ...)? Message-ID: <20020503162337.A27366@dea.linux-mips.net> References: <3CD3052B.1050400@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <3CD3052B.1050400@mvista.com>; from jsun@mvista.com on Fri, May 03, 2002 at 02:46:19PM -0700 X-Accept-Language: de,en,fr Sender: owner-linux-mips@oss.sgi.com Precedence: bulk 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