Re: sil_blacklist - are all those entries necessary?

Jeff Garzik
2005-02-17T18:45:29Z

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

Jeff