From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 30 Apr 2009 12:14:51 +0100 (BST) Received: from gateway10.websitewelcome.com ([67.18.44.16]:39141 "HELO gateway10.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by ftp.linux-mips.org with SMTP id S20026473AbZD3LOp (ORCPT ); Thu, 30 Apr 2009 12:14:45 +0100 Received: (qmail 4022 invoked from network); 30 Apr 2009 11:17:12 -0000 Received: from gator750.hostgator.com (174.132.194.2) by gateway10.websitewelcome.com with SMTP; 30 Apr 2009 11:17:12 -0000 Received: from [217.109.65.213] (port=2063 helo=[127.0.0.1]) by gator750.hostgator.com with esmtpa (Exim 4.69) (envelope-from ) id 1LzUDv-0007uT-QW; Thu, 30 Apr 2009 06:14:40 -0500 Message-ID: <49F98826.3030708@paralogos.com> Date: Thu, 30 Apr 2009 13:14:46 +0200 From: "Kevin D. Kissell" User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) MIME-Version: 1.0 To: Manuel Lauss CC: Ralf Baechle , Linux-MIPS Subject: Re: oops in futex_init() References: <20090428124645.GA14347@roarinelk.homelinux.net> <20090429060317.GB15627@linux-mips.org> <20090429082556.GA22844@roarinelk.homelinux.net> <20090429083349.GB26289@linux-mips.org> <20090429114042.GA24576@roarinelk.homelinux.net> <20090429141411.GA25905@roarinelk.homelinux.net> <20090429143523.GA10242@linux-mips.org> <20090429153221.GA26387@roarinelk.homelinux.net> <20090430104130.GA1878@roarinelk.homelinux.net> In-Reply-To: <20090430104130.GA1878@roarinelk.homelinux.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator750.hostgator.com X-AntiAbuse: Original Domain - linux-mips.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - paralogos.com Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 22550 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: kevink@paralogos.com Precedence: bulk X-list: linux-mips Manuel Lauss wrote: > Hi, > > This is really embarrassing: The oops is what happens when you > ioremap(0x10) and write 0xffffffff at the resulting address (0xa0000010). > This pretty much implies that _CACHE_UNCACHED was passed in the flags value to ioremap, so it simply returned the kseg1 address. By any chance is physical page zero also referenced somewhere as cacheable? Kevin K.