From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?TWF0aGlldSBCw6lyYXJk?= Subject: Regression between 2.6.20 and 2.6.21-rc1: NCQ problem with ahci and Hitachi drive Date: Mon, 05 Mar 2007 01:51:12 +0100 Message-ID: <45EB6980.90600@crans.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from postfix2-g20.free.fr ([212.27.60.43]:50202 "EHLO postfix2-g20.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751059AbXCEAwV (ORCPT ); Sun, 4 Mar 2007 19:52:21 -0500 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-ide@vger.kernel.org Hello, I have and laptop with an ICH6M SATA Controller and an Hitachi hard dri= ve. While it worked well using the ahci module and with NCQ enabled using Linux 2.6.20, it does not work anymore (hang at boot) with 2.6.21-rc* My drive is among those that were recently blacklisted (see lkml post "[PATCH] libata: add NCQ blacklist entries from Silicon Image Windowsdriver) (Model Number: HTS541010G9SA00 and Firmware Revision: MBZOC60D) This blacklisting patch is in -mm now. So there is probably a drive related issue here, I'm just wondering why it just work flawlessly with a 2.6.20... Relevant part of kernel log: 2.6.20: [ 41.076963] SCSI subsystem initialized [ 41.083119] ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19 [ 42.083637] ahci 0000:00:1f.2: AHCI 0001.0000 32 slots 4 ports 1.5 Gbps 0x5 impl IDE mode [ 42.083695] ahci 0000:00:1f.2: flags: 64bit ncq pm led slum part [ 42.083825] ata1: SATA max UDMA/133 cmd 0xF8872D00 ctl 0x0 bmdma 0x0 irq 19 [ 42.083938] ata2: SATA max UDMA/133 cmd 0xF8872D80 ctl 0x0 bmdma 0x0 irq 19 [ 42.084049] ata3: SATA max UDMA/133 cmd 0xF8872E00 ctl 0x0 bmdma 0x0 irq 19 [ 42.084165] ata4: SATA max UDMA/133 cmd 0xF8872E80 ctl 0x0 bmdma 0x0 irq 19 [ 42.084221] scsi0 : ahci [ 42.541356] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 42.542404] ata1.00: ATA-7, max UDMA/100, 195371568 sectors: LBA48 NCQ (depth 31/32) [ 42.542460] ata1.00: ata1: dev 0 multi count 0 [ 42.543731] ata1.00: configured for UDMA/100 [ 42.543781] scsi1 : ahci [ 42.846169] ata2: SATA link down (SStatus 0 SControl 0) [ 42.846223] scsi2 : ahci [ 43.148995] ata3: SATA link down (SStatus 0 SControl 300) [ 43.149049] scsi3 : ahci [ 43.451821] ata4: SATA link down (SStatus 0 SControl 0) [ 43.451957] scsi 0:0:0:0: Direct-Access ATA HTS541010G9SA00= =20 MBZO PQ: 0 ANSI: 5 [ 43.487465] SCSI device sda: 195371568 512-byte hdwr sectors (100030= MB) [ 43.487544] sda: Write Protect is off [ 43.487810] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 43.488805] SCSI device sda: 195371568 512-byte hdwr sectors (100030= MB) [ 43.488879] sda: Write Protect is off [ 43.489462] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA 2.6.21-rc1: [ 14.580991] SCSI subsystem initialized [ 14.586026] ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19 [ 15.586790] ahci 0000:00:1f.2: AHCI 0001.0000 32 slots 4 ports 1.5 Gbps 0x5 impl IDE mode [ 15.586847] ahci 0000:00:1f.2: flags: 64bit ncq pm led slum part [ 15.586974] ata1: SATA max UDMA/133 cmd 0xf8824d00 ctl 0x00000000 bmdma 0x00000000 irq 19 [ 15.587093] ata2: SATA max UDMA/133 cmd 0xf8824d80 ctl 0x00000000 bmdma 0x00000000 irq 19 [ 15.587211] ata3: SATA max UDMA/133 cmd 0xf8824e00 ctl 0x00000000 bmdma 0x00000000 irq 19 [ 15.587331] ata4: SATA max UDMA/133 cmd 0xf8824e80 ctl 0x00000000 bmdma 0x00000000 irq 19 [ 15.587394] scsi0 : ahci [ 16.044663] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 16.089475] ata1.00: ATA-7: HTS541010G9SA00, MBZOC60D, max UDMA/100 [ 16.089525] ata1.00: 195371568 sectors, multi 0: LBA48 NCQ (depth 31= /32) [ 16.091804] ata1.00: configured for UDMA/100 [ 16.091855] scsi1 : ahci [ 16.394567] ata2: SATA link down (SStatus 0 SControl 0) [ 16.394620] scsi2 : ahci [ 16.697494] ata3: SATA link down (SStatus 0 SControl 300) [ 16.697547] scsi3 : ahci [ 17.000422] ata4: SATA link down (SStatus 0 SControl 0) [ 17.000552] scsi 0:0:0:0: Direct-Access ATA HTS541010G9SA00= =20 MBZO PQ: 0 ANSI: 5 [....] [ 18.151756] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 18.151856] SCSI device sda: 195371568 512-byte hdwr sectors (100030= MB) [ 18.151911] sda: Write Protect is off [ 18.151977] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA [....] [ 48.143940] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x= 2 frozen [ 48.143999] ata1.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 cdb 0x0 data 4096 in [ 48.144000] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 48.446854] ata1: soft resetting port [ 48.601835] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 48.607218] ata1.00: configured for UDMA/100 [ 48.607272] ata1: EH complete [ 48.607355] SCSI device sda: 195371568 512-byte hdwr sectors (100030= MB) [ 48.607411] sda: Write Protect is off [ 48.607478] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 78.599605] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x= 2 frozen [ 78.599659] ata1.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 cdb 0x0 data 4096 in [ 78.599661] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 78.902526] ata1: soft resetting port [ 79.057505] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 79.062836] ata1.00: configured for UDMA/100 [ 79.062887] ata1: EH complete [ 79.062957] SCSI device sda: 195371568 512-byte hdwr sectors (100030= MB) [ 79.063011] sda: Write Protect is off [ 79.063077] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 109.055268] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x= 2 frozen [ 109.055324] ata1.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 cdb 0x0 data 4096 in [ 109.055325] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 109.358190] ata1: soft resetting port [ 109.513168] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 109.518528] ata1.00: configured for UDMA/100 [ 109.518579] ata1: EH complete [ 109.518648] SCSI device sda: 195371568 512-byte hdwr sectors (100030= MB) [ 109.518703] sda: Write Protect is off [ 109.518769] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA [looping forever with this error] Thanks. (Please CC me) --=20 Mathieu B=C3=A9rard