[t13] AtapiUDma design - unexpected data out

This message is from the T13 list server. With UDma, vs. Pio, maybe the main thing that is really new different - and therefore most painful - is that bytes can cross the bus that the device did not request. Suppose a write for 514 bytes goes to a device that in Pio mode would have

[t13] Osama Humor

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RE: [t13] a fix for imprecise UDma residue?

This message is from the T13 list server. Pat, What is all this about -:? Besides Atapi Inquiry, what other commands have a variable length write or read (i.e. you get more or less than you requested) ? EVERY time I have ever seen this it falls into 1 of 3 bins: 1) Broken device (i.e.