Re: DriveReady SeekComplete Error, DriveStatusError BadCRC

Andre Hedrick (andre@suse.com)
Fri, 1 Oct 1999 20:21:22 -0700 (PDT)


On Fri, 1 Oct 1999, Mark Hahn wrote:

> > LO> Sep 30 18:49:33 cb26038-a kernel: hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> > LO> Sep 30 18:49:33 cb26038-a kernel: hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
>
> this is just a reminder: IDE requires that your cable is <= 18",
> and that you use the end connectors first (no stubs).
> udma66 also requires a special cable with extra ground conductors
> (these cables work fine for sub-udma66 as well).

Yes they do.......at 24-inch 80 condutor udma66 parts will do ATA-33 at
24-inches............imperical tests only.

> from a quick glance at the code, this message seems to originate in
> ide_dma.c:ide_dma_intr, as the result of _any_ bad CRC. occasional bad CRC's
> are not really a problem, and the IO will be retried.
>
> regards, mark hahn.

Andre Hedrick
The Linux IDE guy

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