Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262662AbUKLXPq (ORCPT ); Fri, 12 Nov 2004 18:15:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262666AbUKLXNv (ORCPT ); Fri, 12 Nov 2004 18:13:51 -0500 Received: from colin2.muc.de ([193.149.48.15]:13067 "HELO colin2.muc.de") by vger.kernel.org with SMTP id S262662AbUKLXL1 (ORCPT ); Fri, 12 Nov 2004 18:11:27 -0500 Date: 13 Nov 2004 00:11:26 +0100 Date: Sat, 13 Nov 2004 00:11:26 +0100 From: Andi Kleen To: Andrew Morton Cc: Thomas Schlichter , linux-kernel@vger.kernel.org, Zwane Mwaikambo Subject: Re: 2.6.10-rc1-mm4 Message-ID: <20041112231126.GC15853@muc.de> References: <200411102333.03412.thomas.schlichter@web.de> <20041110150307.3a06cc1d.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041110150307.3a06cc1d.akpm@osdl.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 875 Lines: 31 > > kernel BUG at arch/i386/mm/highmem.c:63! > > EIP is at kunmap_atomic+0x27/0x70 > > Call Trace > > show_stack+0xa6/0xb0 > > show_register+0x14d/0x1c0 > > die+0x158/0x2e0 > > do_invalid_op+0xef/0x100 > > error_code+0x2b/0x30 > > copy_pte_range+0x122/0x490 > > This might help: Indeed. Thanks for fixing this. I checked the other functions, but it seems I only made this mistake once. -Andi > > > > > We're modifying src_pte and dst_pte in the for-loop, and then unmapping the > modified pointers. If one of them walked off the end of the page then blam. > > > Signed-off-by: Andrew Morton - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/