Re: DMA still impossible on K7M mb - VIA chipset

From: Jens Axboe (axboe@suse.de)
Date: Fri Mar 03 2000 - 19:52:30 EST

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    On Fri, Mar 03 2000, Marco Meloni wrote:
    >
    > I just compiled kernel 2.3.49 but things are going in the same way.
    > This is the output of the hdparm -d 1 /dev/hda command:
    >
    > hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
    > hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
    > hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
    > hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
    > hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
    > hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
    > hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
    > hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
    > hda: DMA disabled
    > ide0: reset: success
    >
    > obviously, I compiled with the experimental support for via chipset
    > and the cable is the right one needed for ata/66.

    The cable might be the right one, but badcrc still indicates that
    it is not good enough. Don't go with border line cable lengths
    and quality, especially not for ata-66. 

    -- 
*  Jens Axboe <axboe@suse.de>
*  Linux CD-ROM Maintainer
*  http://www.kernel.dk

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