Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423801AbWKIDxa (ORCPT ); Wed, 8 Nov 2006 22:53:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423854AbWKIDxa (ORCPT ); Wed, 8 Nov 2006 22:53:30 -0500 Received: from smtpout08-04.prod.mesa1.secureserver.net ([64.202.165.12]:14220 "HELO smtpout08-04.prod.mesa1.secureserver.net") by vger.kernel.org with SMTP id S1423801AbWKIDxa (ORCPT ); Wed, 8 Nov 2006 22:53:30 -0500 Message-ID: <4552A638.4010207@seclark.us> Date: Wed, 08 Nov 2006 22:53:28 -0500 From: Stephen Clark Reply-To: Stephen.Clark@seclark.us User-Agent: Mozilla/5.0 (X11; U; Linux 2.2.16-22smp i686; en-US; m18) Gecko/20010110 Netscape6/6.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: =?ISO-8859-1?Q?Bj=F6rn_Steinbrink?= CC: Mark Lord , linux-kernel Subject: Re: Abysmal PATA IDE performance References: <455206E7.2050104@seclark.us> <45526D50.5020105@rtr.ca> <455277E1.3040803@seclark.us> <20061109020758.GA21537@atjola.homenet> In-Reply-To: <20061109020758.GA21537@atjola.homenet> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2290 Lines: 88 Bj?rn Steinbrink wrote: >On 2006.11.08 19:35:45 -0500, Stephen Clark wrote: > > >>Mark Lord wrote: >> >> >> >>>Remove the drivers/ide stuff from you system and let libata (ata_piix) >>>manage the ICH7. That should speed things up quite a bit. >>> >>>-ml >>> >>> >>> >>> >>> >>Isn't already enabled? >> >>ata_piix 0000:00:1f.2: version 2.00 >>ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ] >>ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 233 >>ata: 0x170 IDE port busy >>PCI: Setting latency timer of device 0000:00:1f.2 to 64 >>ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0xFFA0 irq 14 >>scsi0 : ata_piix >> >> >> > >Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 >ide: Assuming 33MHz system bus speed for PIO modes; override with >idebus=xx >ide0: I/O resource 0x1F0-0x1F7 not free. >ide0: ports already in use, skipping probe >Probing IDE interface ide1... >hdc: HTS721060G9AT00, ATA DISK drive > >Appears first and that's where the other driver has taken control of the >drives. I had the same issue on my thinkpad, getting rid of the whole >IDE stuff solved the problem (because the other drivers does no longer >grab the drive). > >This ThinkWiki entry should apply to your laptop just as well, just >replace /dev/hda with /dev/hdc. >http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux#No_DMA_on_system_hard_disk > > > >>also this laptop has nothing on ide0 - both the harddrive and dvdrom are >>on ide1. >>is this confusing things? >> >> > >Probably ide0 is pure SATA, while ide1 has the PATA adapters (just a >guess). > >Bj?rn > > > Thank Bjorn, I tried this and the kernel couldn't find the root volumegroup - so i got a kernel panic. I am not sure on how to tell the system the volumegroup is now on sd? This is a fc6 installation. 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) - 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/