Getting USB2 on FreeBSD 5.3?

Paul Hoffman phoffman at proper.com
Sat Jan 8 09:18:19 PST 2005


At 9:00 PM -0500 1/7/05, John Wilson wrote:
>On Fri, 07 Jan 2005 16:32:31 -0800
>Paul Hoffman <phoffman at proper.com> wrote:
>[...]
>>  da0: <ST312002 6A 3.04> Fixed Direct Access SCSI-0 device
>>  da0: 1.000MB/s transfers
>[...]
>
>For what it's worth, I too am using ehci with a USB2 HD based MP3 player, and
>it is being reported similarly as well in regard to the 1.000MB/s transfer
>rate.  However, according to `systat -vmstat`, I am seeing transfers in the
>area of 8MB/s.  In regard to stability, I've had no issues at all with it.
>
>I'm sure this doesn't help at all. ;p

Actually, it helps some. I am seeing similar results (well, 7.1 
MB/s), so this is a bit heartening. But it doesn't explain why we're 
not seeing the 50 MB/s we're supposed to be seeing.

Anyone else have any clues?


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