Re: Data corruption reading IDE CD-ROM in 2.2.x

Jens Axboe (axboe@image.dk)
Sun, 9 Jan 2000 18:19:16 -0500

On Sun, Jan 09 2000, Stanislav Malyshev wrote:
> Yes, switching DMA off for HD (which was hda, CD being hdb) seems to cure
> the problem. Thanks a lot. Does this mean I couldn't use DMA at all with
> my chipset, or if I move CD on the second IDE it will be OK?

I do see a lot of WD drives om the DMA blacklist, but not yours.
Perhaps Andre can expand on this?

> And, certainly, I still wonder why it silently corrupted the data... Do I
> have bad hardware or something weird in the kernel?

Judging by WD's track record I wouldn't rule out bad hardware.

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


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