Quote:
Originally Posted by Thomas Richter
The SCSI (actually "IDE") device translates the SCSI-Read command directly into an IDE command, but there is probably a weak spot because which IDE command to use is a bit tricky as there are multiple ones, and some have a maximum block size limit they can read in one go, so the scsi.device has to break up the transfer into multiple transfers. This is were all the problems with MAXTRANSFER and the scsi.device in 3.1 (and even 3.1.4) came from.
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This is what makes me wonder: which IDE scsi.device version is really in use here? The 255 * 512 = 0x1FE00 partition maxtransfer value magically resolving cryptic behaviour is a very odd result.