Messages in this thread | | | Date | Thu, 17 Feb 2005 13:45:07 -0500 | From | Jeff Garzik <> | Subject | Re: sil_blacklist - are all those entries necessary? |
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Witold Krecicki wrote: > Dnia czwartek 17 luty 2005 01:59, napisałeś: > >>>is there ANY way to test if this hack is necessary for specific model of >>>a disk? >> >>You need a bus analyzer, and need to test different sizes of FIS's. If >>all possible sizes (2048 combinations) work on your device, the >>blacklist entry is not needed. > > is there any software bus analyzer? And if so, is there > Testing-different-sizes-of-FIS's-for-dummies anywhere ?
You could modify a few drivers to receive an "unknown FIS", or receive all FIS's into a DMA-able area that the system could then read. So it's doable. I just don't have time to teach all of SATA and ATA to you :) See http://linux.yyz.us/sata/devel.html
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