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SubjectRe: IDE-SCSI/HPT366 Problem
On Wed, 29 Nov 2000, Kurt Garloff wrote:

> Strange. If you read data from the harddisk on an IDE channel and write it
> (with cdrecord) to some CDRW on the same IDE channel, you have to expect
> trouble: As with IDE there is no disconnect from the bus (as opposed to
> SCSI), you risk buffer underruns.
> A lockup however is not to be expected :-(

It is completely expected bacause of teh active timing changes done on
this chipset design. The timings are for ATA DMA and not ATAPI.
You should expect a 100% hardlock on mistimed IO access.


Andre Hedrick
CTO Timpanogas Research Group
EVP Linux Development, TRG
Linux ATA Development

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