From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: SB600 SATA errors with MSI enabled Date: Sat, 07 Apr 2007 06:04:18 -0400 Message-ID: <46176CA2.4010705@garzik.org> References: <46175D6E.7090600@yahoo.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:41878 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965336AbXDGKEX (ORCPT ); Sat, 7 Apr 2007 06:04:23 -0400 In-Reply-To: <46175D6E.7090600@yahoo.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: rathskunk@yahoo.ca Cc: linux-ide@vger.kernel.org Christopher Jones wrote: > Hello, > > I have some testing to report. Using debian 4.0 and kernel 2.6.20.6 The > computer is a Dell inspiron 1501 laptop. I get errors and the hard disc > is not detected. > > ahci 0000:00:12.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl SATA > mode > ahci 0000:00:12.0: flags: 64bit ncq ilck pm led clo pmp pio slum part > ata3: SATA max UDMA/133 cmd 0xFFFFC20000022100 ctl 0x0 bmdma 0x0 irq 317 > ata4: SATA max UDMA/133 cmd 0xFFFFC20000022180 ctl 0x0 bmdma 0x0 irq 317 > ata5: SATA max UDMA/133 cmd 0xFFFFC20000022200 ctl 0x0 bmdma 0x0 irq 317 > ata6: SATA max UDMA/133 cmd 0xFFFFC20000022280 ctl 0x0 bmdma 0x0 irq 317 > scsi2 : ahci > ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > ata3.00: qc timeout (cmd 0xec) > ata3.00: failed to IDENTIFY (I/O error, err_mask=0x104) > > Using pci=nomsi causes the hard disc to be detected and it works correctly. > > The same errors occurred with the 2.6.18 kernel. Again pci=nomsi fixes it. Yep, broken interrupt delivery will definitely look like that. MSI is definitely a problem here, at least on SB600. > I can also report that the pata_atiixp driver which was new between > 2.6.18 and 2.6.20.6 works correctly for my CD drive. That driver does not use MSI, so no worries there. Jeff