From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.linux.org.uk (parcelfarce.linux.theplanet.co.uk [195.92.249.252]) by dsl2.external.hp.com (Postfix) with ESMTP id A53AB48A1 for ; Mon, 15 Jul 2002 08:10:17 -0600 (MDT) Received: from willy by www.linux.org.uk with local (Exim 3.33 #5) id 17U6YH-0000ZN-00 for parisc-linux@lists.parisc-linux.org; Mon, 15 Jul 2002 15:10:13 +0100 Date: Mon, 15 Jul 2002 15:10:13 +0100 From: Matthew Wilcox To: parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] O_DIRECT on devices Message-ID: <20020715151013.N27706@parcelfarce.linux.theplanet.co.uk> References: <20020711082259.GF822@tykepenguin.com> <20020715034632.E27706@parcelfarce.linux.theplanet.co.uk> <20020715074219.18CD54861@dsl2.external.hp.com> <20020715122919.F27706@parcelfarce.linux.theplanet.co.uk> <20020715135757.GM808@tykepenguin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20020715135757.GM808@tykepenguin.com>; from patrick@tykepenguin.com on Mon, Jul 15, 2002 at 02:57:57PM +0100 Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: On Mon, Jul 15, 2002 at 02:57:57PM +0100, Patrick Caulfield wrote: > My machine isn't SMP but could a similar bug cause the problem to occur between > the CPU and the DMA controller of the SCSI card ? you're on a C110, right? that has a ccio IOC so you shouldn't have any problems, unless there's a driver bug. and the symbios driver gets a lot of testing ;-) what we could be seeing on your machine is incoherency between user & kernel space. -- Revolutions do not require corporate support.