Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932313AbWHCEBq (ORCPT ); Thu, 3 Aug 2006 00:01:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932331AbWHCEBq (ORCPT ); Thu, 3 Aug 2006 00:01:46 -0400 Received: from rwcrmhc14.comcast.net ([216.148.227.154]:54920 "EHLO rwcrmhc14.comcast.net") by vger.kernel.org with ESMTP id S932313AbWHCEBq (ORCPT ); Thu, 3 Aug 2006 00:01:46 -0400 Message-ID: <44D17525.2080705@comcast.net> Date: Wed, 02 Aug 2006 23:01:41 -0500 From: Kyle Davenport User-Agent: Mozilla/5.0 (X11; Microsoft Windows i686; en-US; IE6) Gecko/20020604 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: system freeze on cdrom failure Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1065 Lines: 24 I posted on this before, and I'm confirming that the problem is still happening at 2.6.17.5. Problem started with 2.6.15*. Saw it again in 2.6.16. If I reboot into 2.6.13, I still see some cdrom and/or scsi errors, but the system does not freeze. This was from running grip on a music cd. It also happens just reading most burned cd's or dvd's. Aug 1 23:23:00 quickest kernel: cdrom: dropping to single frame dma Aug 1 23:23:02 quickest kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 0000000c Problem drive is Toshiba DVD-ROM SD-M1401 (scsi). I do not see any errors with the same media in a Yamaha CRW2100S (scsi burner). Tyan Thunder K7X-Pro (S2469UNG)/ 2x2400 Athlon MP/ 1GB ram / 1TB disk / gcc 3.2 This is easily repeatable - please ask for more info! Kyle - 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/