Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935120AbWKYBZO (ORCPT ); Fri, 24 Nov 2006 20:25:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935119AbWKYBZN (ORCPT ); Fri, 24 Nov 2006 20:25:13 -0500 Received: from bizon.gios.gov.pl ([212.244.124.8]:4558 "EHLO bizon.gios.gov.pl") by vger.kernel.org with ESMTP id S935120AbWKYBZM (ORCPT ); Fri, 24 Nov 2006 20:25:12 -0500 Date: Sat, 25 Nov 2006 02:25:08 +0100 (CET) From: Krzysztof Oledzki X-X-Sender: olel@bizon.gios.gov.pl To: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: pata_via in 2.6.19-rc6: UDMA/66 hdd downgraded to UDMA/33 Message-ID: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-187430788-742963814-1164417908=:26262" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3045 Lines: 80 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---187430788-742963814-1164417908=:26262 Content-Type: TEXT/PLAIN; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Hello, After upgrading to 2.6.19-rc6 and enabling experimental support of=20 pata_via noticed that my hdd was downgraded to UDMA/33: Before (2.6.18-rc & via82cxxx): Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override withidebus=3Dx= x VP_IDE: IDE controller at PCI slot 0000:00:07.1 PCI: VIA IRQ fixup for 0000:00:07.1, from 255 to 0 VP_IDE: chipset revision 16 VP_IDE: not 100%% native mode: will probe irqs later VP_IDE: VIA vt82c686a (rev 22) IDE UDMA66 controller on pci0000:00:07.1 ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:pio hda: max request size: 128KiB hda: 40031712 sectors (20496 MB) w/512KiB Cache, CHS=3D39714/16/63, UDMA(66= ) hda: cache flushes not supported hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 hda9 hda10 hda11 > Now (2.6.16-rc6 & pata_via): pata_via 0000:00:07.1: version 0.1.14 ata1: PATA max UDMA/66 cmd 0x1F0 ctl 0x3F6 bmdma 0xFFA0 irq 14 ata2: PATA max UDMA/66 cmd 0x170 ctl 0x376 bmdma 0xFFA8 irq 15 scsi0 : pata_via ata1.00: ATA-5, max UDMA/66, 40031712 sectors: LBA ata1.00: ata1: dev 0 multi count 16 ata1.00: configured for UDMA/33 scsi1 : pata_via ata2: port is slow to respond, please be patient (Status 0xff) ata2: port failed to respond (30 secs, Status 0xff) ata2: SRST failed (status 0xFF) ata2: SRST failed (err_mask=3D0x100) ata2: softreset failed, retrying in 5 secs ata2: SRST failed (status 0xFF) ata2: SRST failed (err_mask=3D0x100) ata2: softreset failed, retrying in 5 secs ata2: SRST failed (status 0xFF) ata2: SRST failed (err_mask=3D0x100) ata2: reset failed, giving up scsi 0:0:0:0: Direct-Access ATA FUJITSU MPF3204A 0031 PQ: 0 ANSI: = 5 SCSI device sda: 40031712 512-byte hdwr sectors (20496 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back SCSI device sda: 40031712 512-byte hdwr sectors (20496 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 sda8 sda9 sda10 sda11 > sd 0:0:0:0: Attached scsi disk sda # hdparm -I /dev/sda|grep dma DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 BTW: is it possible to do something with this annoying long delay with=20 the "port is slow to respond, please be patient" message? :) Best regards, =09=09=09=09Krzysztof Ol=EAdzki ---187430788-742963814-1164417908=:26262-- - 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/