From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?Agust=EDn?= Herrera Subject: SCSI Emulation Issues Date: Sun, 1 Jun 2003 23:59:52 -0300 Sender: linux-admin-owner@vger.kernel.org Message-ID: <20030602025952.GH18867@localhost.localdomain> References: <20030602025306.GA18867@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 7BIT Return-path: Content-Disposition: inline List-Id: Content-Type: text/plain; charset="us-ascii"; To: linux-admin@vger.kernel.org I am using scsi emulation (scsi emulation, scsi generic support, scsi cdrom support) for my cdrom and cd-writer. cdrdao and cdrecord take up all the processor's time when reading and/or writing. I've run hdparm on all devices and I've activated both dma and 32bit accesses. I'm wondering whether this problem is due to bad configuration or it is just a linux-kernel issue (my version is 2.4.20).