Subject: Re: USB v2 device gets treated as v1 (ie very slow to read/write) on NetBSD
To: leon z <leonleon77@hotmail.com>
From: Jukka Marin <jmarin@embedtronics.fi>
List: netbsd-users
Date: 07/05/2006 18:18:15
On Wed, Jul 05, 2006 at 02:00:53PM +0000, leon z wrote:
> By the way - I think this problem is not just related to iBook hardware - 
> from my (albeit non-robust) memory I recall having the same issues (i.e. 
> other OSes [Windows/Linux] copying files MUCH MUCH faster than NetBSD) with 
> Celeron-based laptop and AMD desktop machine... so there... :-) Any advice 
> will be greatly appreciated...

It seems that when writing to a FAT filesystem, NetBSD spends half the time
(and bandwidth) writing data - and half the time _reading_ something from
the FAT filesystem, so the effective write speed is halved.  This is some
kind of a misfeature of the current code, I think.  :-I

  -jm