Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 24 Nov 2000 18:39:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 24 Nov 2000 18:39:12 -0500 Received: from mail6.bigmailbox.com ([209.132.220.37]:24081 "EHLO mail6.bigmailbox.com") by vger.kernel.org with ESMTP id ; Fri, 24 Nov 2000 18:39:01 -0500 Date: Fri, 24 Nov 2000 15:08:34 -0800 Message-Id: <200011242308.PAA30772@mail6.bigmailbox.com> Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: binary X-Mailer: MIME-tools 4.104 (Entity 4.116) Mime-Version: 1.0 X-Originating-Ip: [193.250.237.8] From: "Kafu Nagai" To: vojtech@suse.cz Cc: linux-kernel@vger.kernel.org Subject: Re: Recent ide patches and DMA Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 440BX with PIIX4 on BP6 >On Thu, Nov 23, 2000 at 01:09:35PM -0800, Kafu Nagai wrote: >> With recent ide patches, the ide driver seems to try to use DMA mode even for a drive which dosen't support it. CONFIG_IDEDMA_PCI_AUTO is enabled but even so with the stock kernel this dosen't happen. older patches didn't have this behavior either. Is this change intentional ? >> >> hdc: 333630 sectors (171 MB) w/32KiB Cache, CHS=1011/15/22, DMA >> Partition check: >> hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 > >> hdc:hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error } >> hdc: dma_intr: error=0x04 { DriveStatusError } >> hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error } >> hdc: dma_intr: error=0x04 { DriveStatusError } >> hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error } >> hdc: dma_intr: error=0x04 { DriveStatusError } >> hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error } >> hdc: dma_intr: error=0x04 { DriveStatusError } >> hdc: DMA disabled >> ide1: reset: success >> hdc1 >> >> ~ $ hdparm -i /dev/hdc >> >> /dev/hdc: >> >> Model=QUANTUM ELS170A, FwRev=4.20, SerialNo=166304085456 >> Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>5Mbs RotSpdTol>.5% } >> RawCHS=1011/15/22, TrkSize=11264, SectSize=512, ECCbytes=4 >> BuffType=3(DualPortCache), BuffSize=32kB, MaxMultSect=8, MultSect=off >> DblWordIO=no, OldPIO=2, DMA=no >> CurCHS=1011/15/22, CurSects=333629, LBA=no > >Which chipset are you using? > >-- >Vojtech Pavlik >SuSE Labs ------------------------------------------------------------ Free Web space and web based email @EASYNEWS.COM - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/