From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Kernel 2.6.27: Problems with DVD drive/nVidia MCP51 Date: Tue, 11 Nov 2008 17:56:29 +0900 Message-ID: <491948BD.7040800@kernel.org> References: <490B0FE7.1020107@uwaterloo.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:50040 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755846AbYKKI4i (ORCPT ); Tue, 11 Nov 2008 03:56:38 -0500 In-Reply-To: <490B0FE7.1020107@uwaterloo.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Elad Lahav Cc: linux-ide@vger.kernel.org Elad Lahav wrote: > After upgrading from 2.6.26.5 to 2.6.27.4, my DVD drive started having > problems during boot time. Here is the relevant part from dmesg: > > ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > ata2.00: ATAPI: HL-DT-ST DVD+/-RW GSA-T11N, A103, max UDMA/33 > ata2.00: applying bridge limits > ata2.00: Drive reports diagnostics failure. This may indicate a drive > ata2.00: fault or invalid emulation. Contact drive vendor for information. > ata2.00: configured for UDMA/33 > scsi 0:0:0:0: Direct-Access ATA ST3250820AS 3.AD PQ: 0 > ANSI: 5 > ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > ata2.00: cmd a0/00:00:00:24:00/00:00:00:00:00/a0 tag 0 pio 36 in > cdb 12 00 00 00 24 00 00 00 00 00 00 00 00 00 00 00 > res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) > ata2.00: status: { DRDY } > ata2: hard resetting link > [continue ad inifitum....] > > The drive is reported as "HL-DT-ST DVD+/-RW GSA-T11N, A103", connected > to an nVidia MCP51 controller. Googling around, I found similar > complaints in the past for other nVidia controllers using the sata_nv > driver (though I couldn't find anything about the MCP51). I tried > compiling the version of sata_nv that comes with 2.6.26.5, but that did > not solve my problems. > > I can provide further details if necessary. Does 2.6.27.5 make any difference? -- tejun