From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ahci fails with SATA DVD drive, IDE mode works Date: Thu, 26 Feb 2009 10:07:17 +0900 Message-ID: <49A5EB45.6050202@kernel.org> References: <20090211174558.505354fe@dhcp-100-2-144.bos.redhat.com> <499D2202.7070503@kernel.org> <20090221181705.0b5f9ed3@dhcp-100-2-144.bos.redhat.com> <49A4DFD4.3030206@kernel.org> <20090225181530.1c575a30@dhcp-100-2-144.bos.redhat.com> 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]:60062 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753115AbZBZBIL (ORCPT ); Wed, 25 Feb 2009 20:08:11 -0500 In-Reply-To: <20090225181530.1c575a30@dhcp-100-2-144.bos.redhat.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Chuck Ebbert Cc: linux-ide@vger.kernel.org Hello, Chuck Ebbert wrote: >> How did it go? > > I found another machine with the same chipset and a different ATAPI SATA > drive; that one works okay in ahci mode. Well, there's no way all ICH9Ms are broken, so I'm afraid 'the same chipset' is a tad bit too wide unless it was the same board/machine. > There are no messages at all between "EH complete" and the string of SCSI > error messages: ... > ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > ata2.00: cmd a0/01:00:00:00:02/00:00:00:00:00/a0 tag 0 dma 512 in > cdb a1 08 2e 00 00 00 00 00 40 ec 00 00 00 00 00 00 > res 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > ata2.00: status: { DRDY } > ata2: hard resetting link > ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > ata2.00: configured for MWDMA2 > ata2: EH complete Here, BLANK has timed out but the device was recovered okay. > sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK > sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] > sr 1:0:0:0: [sr0] Add. Sense: Logical block address out of range > end_request: I/O error, dev sr0, sector 0 And after that, the media can't be read, so this one seems normal. Thanks. -- tejun