"da0: 40.000MB/s transfers" What was rationale behind pegging USB 2.0 at 40MB/s?

Jakub Lach jakub_lach at mailplus.pl
Sun Jul 22 21:20:50 UTC 2012


I was fortunate enough to buy USB 3.0 pendrive, 
which actually works with FreeBSD just ripped from 
package! (normal _empty_ FAT filesystem, no
garbageware added, no need to format).

It actually bounces from 40MB/s limit when reading
from it.

Writing is about 18MB/s.

Device is supposed to be "467x" which should 
be about 70MB/s.

And USB 2.0 hard limit is 60MB/s.

Wouldn't be nice to squeeze few additional

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