From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752190Ab1AESdw (ORCPT ); Wed, 5 Jan 2011 13:33:52 -0500 Received: from elasmtp-dupuy.atl.sa.earthlink.net ([209.86.89.62]:51716 "EHLO elasmtp-dupuy.atl.sa.earthlink.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751649Ab1AESdv (ORCPT ); Wed, 5 Jan 2011 13:33:51 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=ZRScNgAoNDIudAmCzicl2RzHtq/NqQNi64RAWT4r7WSFqkisSJ9DPWk7/lc315UP; h=Received:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:Subject:Content-Type:Content-Transfer-Encoding:X-ELNK-Trace:X-Originating-IP; Message-ID: <4D24B98D.6080307@earthlink.net> Date: Wed, 05 Jan 2011 13:33:49 -0500 From: Stephen Clark Reply-To: sclark46@earthlink.net User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 MIME-Version: 1.0 To: linux-kernel Subject: Kernel 2.6.37 erroneously limiting to UDMA/33 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-ELNK-Trace: a437fbc6971e80f61aa676d7e74259b7b3291a7d08dfec79e08268ac84235dfcefc3281192bba066350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 69.22.83.66 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Why is the kernel limiting me to udma/33 when the device says it can do ata2.01: CFA: TRANSCEND, 20070831, max UDMA/66 There is no cable the compact flash is a socket on the motherboard! Loading sd_mod.ko module Loading libata.ko module Loading ata_generic.ko module Loading pata_acpi.ko module pata_acpi 0000:00:0f.0: PCI INT B -> GSI 21 (level, low) -> IRQ 21 pata_acpi 0000:00:0f.0: PCI INT B disabled Loading pata_via.ko module scsi0 : pata_via scsi1 : pata_via ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xfa00 irq 14 ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xfa08 irq 15 ata2.01: CFA: TRANSCEND, 20070831, max UDMA/66 ata2.01: 7962192 sectors, multi 0: LBA ata2.01: limited to UDMA/33 due to 40-wire cable ata2.01: configured for UDMA/33 scsi 1:0:1:0: Direct-Access ATA TRANSCEND 2007 PQ: 0 ANSI: 5 sd 1:0:1:0: [sda] 7962192 512-byte logical blocks: (4.07 GB/3.79 GiB) sd 1:0:1:0: [sda] Write Protect is off sd 1:0:1:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DA sda: sda1 sda2 sda3 sd 1:0:1:0: [sda] Attached SCSI disk Loading ata_piix.ko module Thanks, Steve -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)