Messages in this thread |  | | Date | Wed, 29 Nov 2000 10:27:17 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: IDE-SCSI/HPT366 Problem |
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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.
Cheers,
Andre Hedrick CTO Timpanogas Research Group EVP Linux Development, TRG Linux ATA Development
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