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    SubjectRe: Repeatable File Corruption (ECS K7S5A w/SIS735)

    You just let me know what you need me to do. If you need some hands on, I
    can throw up a box for you to break as well. My service eagerly awaits.

    Dan



    On Thu, 25 Oct 2001, Andre Hedrick wrote:

    >
    > On Fri, 26 Oct 2001 lung@theuw.net wrote:
    >
    > >
    > > I've received one report of someone using the same motherboard, but using
    > > SCSI and having no issues. I think after a little testing, this will
    > > point directly at IDE.
    > >
    > > I've made me test file available for more testing, but I think I can
    > > dig up an old SCSI drive tomorrow to test this myself.
    > >
    > >
    > > On Fri, 26 Oct 2001, Daniela Engert wrote:
    > >
    > > > On Thu, 25 Oct 2001 22:21:47 -0400 (EDT), dan wrote:
    > > >
    > > > > It is repeatable and verified on other boards of the same model. This
    > > > >just started happening when I upgraded the system. The following is a
    > > > >link to the ECS K7S5A board in question, the SIS735 chipset, and a
    > > >
    > > > > hda: ST36421A, ATA DISK drive
    > > > > hdb: QUANTUM FIREBALLP LM10.2, ATA DISK drive
    > > > > hdc: IC35L060AVER07-0, ATA DISK drive
    > > >
    > > > >The problem only went away when I replaced the motherboard. I also
    > > > >haven't had any file corruption issues running Windows2000 on the same
    > > > >hardware with the same files. I moved all of the hardware in the original
    > > > >system to a new motherboard (ASUS A7A266) and the problem went away.
    > > >
    > > > >I have CC'd the IDE chipset maintainer because I can only assume it might
    > > > >be related.
    > > >
    > > > It very likely is. The current Linux SiS IDE driver doesn't initialize
    > > > the the EIDE controller in the SiS735 (and most likely all other
    > > > ATA/100 capable members, too) correctly.
    > > >
    > > > The SiS735 IDE cycle timing registers have a layout that is different
    > > > from the older predecessors!
    > > >
    > > > >From my experiences, drivers taking this not into account *do* actually
    > > > work most of the time even if the timing of the layer 0 communication
    > > > protocol is wrong, but fail mysteriously sometimes. Andre needs to
    > > > update the SiS5513 code.
    > > >
    > > > Ciao,
    > > > Dani
    > > >
    > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    > > > Daniela Engert, systems engineer at MEDAV GmbH
    > > > Gräfenberger Str. 34, 91080 Uttenreuth, Germany
    > > > Phone ++49-9131-583-348, Fax ++49-9131-583-11
    > > >
    > > >
    > > > -
    > > > 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/
    > > >
    > >
    > >
    >
    >
    > Dan,
    >
    > If I give you a patch and a test tool kit, will you run destructive data
    > tests? If the low-level tool passes and the high-level fails we know it
    > is not in the driver. If the low-level fails then it is in the chipset
    > setup code or the main loop. If neither fail then it is random wrt the
    > driver or the block layer above and time to get worried.
    >
    > Can you scratch a disk of content?
    >
    > Regards,
    >
    > Andre Hedrick
    > CTO ASL, Inc.
    > Linux ATA Development
    > -----------------------------------------------------------------------------
    > ASL, Inc. Tel: (510) 857-0055 x103
    > 38875 Cherry Street Fax: (510) 857-0010
    > Newark, CA 94560 Web: www.aslab.com
    >
    >


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