Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755486AbZFDOvF (ORCPT ); Thu, 4 Jun 2009 10:51:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753968AbZFDOux (ORCPT ); Thu, 4 Jun 2009 10:50:53 -0400 Received: from mail-ew0-f210.google.com ([209.85.219.210]:53667 "EHLO mail-ew0-f210.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752674AbZFDOuw convert rfc822-to-8bit (ORCPT ); Thu, 4 Jun 2009 10:50:52 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=upBS7Q+8z4cQQ5beuSuFeXcOu9sqgpFXGUXdrhAfuC3QuBFWbQwW95tB7DhB6hzwKm t78DDckBFSVHFuVw06zAubMlTHxxUCaLCAnvuoWZIYvdyBV+fZB9WmLDE/fMaIDOSTMG TwjHZIvrVG5wUoK6/xVxZmyHh5riSjzPJiGMs= MIME-Version: 1.0 In-Reply-To: References: <4A25F688.9000407@gmail.com> <20090603131407.57c490ed@lxorguk.ukuu.org.uk> <20090603140140.491a8ea8@lxorguk.ukuu.org.uk> Date: Thu, 4 Jun 2009 16:50:52 +0200 Message-ID: Subject: Re: Kernel 2.6.30rc7 limits IDE to UDMA33 From: Grozdan To: Alan Cox Cc: hancockrwd@gmail.com, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2684 Lines: 57 2009/6/3 Grozdan : > 2009/6/3 Alan Cox : >> What about 2.6.28 or 2.6.29 ? >> > > Hi, > > I just installed kernel 2.6.29.4-rt16-2-rt from the SUSE build service > (there's no 2.6.28 one available nor a 'normal' 2.6.29 one) and my > UDMA is set correctly just as when using the default 2.6.27.21 kernel. > Now I'm not sure if there really is a problem in 2.6.30-rc7-git4 or > did I somehow introduced it by configuring something incorrectly > (which I doubt because as I said, I didn't touch anything related to > IDE during configuration. I only tweaked a few options, most of them > in the General and Processor sections). > > ---------- dmesg IDE of 2.6.29.4-rt16-2-rt---------------- > > pata_via 0000:00:0f.0: PCI INT A -> Link[ALKA] -> GSI 20 (level, low) -> IRQ 20 > scsi0 : pata_via > scsi1 : pata_via > ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xdc00 irq 14 > ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xdc08 irq 15 > ata1.00: ATA-7: Maxtor 6Y080L0, YAR41BW0, max UDMA/133 > ata1.00: 160086528 sectors, multi 16: LBA > ata1.01: ATA-5: ST340016A, 3.10, max UDMA/100 > ata1.01: 78165360 sectors, multi 16: LBA > ata1.00: configured for UDMA/133 > ata1.01: configured for UDMA/100 > isa bounce pool size: 16 pages > scsi 0:0:0:0: Direct-Access ? ? ATA ? ? ?Maxtor 6Y080L0 ? YAR4 PQ: 0 ANSI: 5 > scsi 0:0:1:0: Direct-Access ? ? ATA ? ? ?ST340016A ? ? ? ?3.10 PQ: 0 ANSI: 5 > ata2.00: ATAPI: TSSTcorpCD/DVDW TS-H552U, US08, max UDMA/33 > ata2.00: configured for UDMA/33 > scsi 1:0:0:0: CD-ROM ? ? ? ? ? ?TSSTcorp CD/DVDW TS-H552U US08 PQ: 0 ANSI: 5 > BIOS EDD facility v0.16 2004-Jun-25, 2 devices found > udevd version 128 started > Driver 'sd' needs updating - please use bus_type methods > sd 0:0:0:0: [sda] 160086528 512-byte hardware sectors: (81.9 GB/76.3 GiB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't > support DPO or FUA > sd 0:0:0:0: [sda] 160086528 512-byte hardware sectors: (81.9 GB/76.3 GiB) > Adding more information. A user on the openSUSE forum which is trying out openSUSE 11.2 milestone 2 (with kernel 2.6.30-rc6-git3) is having the same problems. His computer is using the pata_amd driver instead of pata_via like mine and he too gets limiting to UDMA33 during boot Link: http://forums.opensuse.org/pre-release-beta/415373-hd-speed.html -- 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/