Witold Krecicki wrote:
Dnia wtorek 15 luty 2005 21:29, napisałeś:

Dnia wtorek 15 luty 2005 17:52, napisałeś:

Witold Krecicki wrote:

in sata_sil.c there is:
sil_blacklist [] = {
       { "ST320012AS",         SIL_QUIRK_MOD15WRITE },
       { "ST330013AS",         SIL_QUIRK_MOD15WRITE },
       { "ST340017AS",         SIL_QUIRK_MOD15WRITE },
       { "ST360015AS",         SIL_QUIRK_MOD15WRITE },
       { "ST380023AS",         SIL_QUIRK_MOD15WRITE },
       { "ST3120023AS",        SIL_QUIRK_MOD15WRITE },
       { "ST3160023AS",        SIL_QUIRK_MOD15WRITE },
       { "ST3120026AS",        SIL_QUIRK_MOD15WRITE },
       { "ST340014ASL",        SIL_QUIRK_MOD15WRITE },
       { "ST360014ASL",        SIL_QUIRK_MOD15WRITE },
       { "ST380011ASL",        SIL_QUIRK_MOD15WRITE },
       { "ST3120022ASL",       SIL_QUIRK_MOD15WRITE },
       { "ST3160021ASL",       SIL_QUIRK_MOD15WRITE },
       { "Maxtor 4D060H3",     SIL_QUIRK_UDMA5MAX },
       { }
};
I've got ST3120026AS and I've been using it with SIL3112 without this
hack for a long time - without any negative effects. The same
impression on ST3200822AS - is there any way to check if it is REALLY
necessary? 15MB/s is not what I'd expect on SATA...

It's necessary until we can prove otherwise. Simply running well without your drive in the blacklist means nothing -- you just haven't hit the error condition yet.

So how can I proove it? Are there any tests? It's been running for over a year, almost 24/7 and nothing...

Still no response - so again:
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.


        Jeff


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