From owner-freebsd-current  Tue Aug 27 12: 0:32 2002
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Date: Tue, 27 Aug 2002 11:51:49 -0700 (PDT)
From: Julian Elischer <julian@elischer.org>
To: Maksim Yevmenkin <myevmenk@exodus.net>
Cc: current@freebsd.org
Subject: Re: USB slowdown on recent -current
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make sure you have all the debugging turned off.
there is a LOT of debugging..
at the moment.


On Tue, 27 Aug 2002, Maksim Yevmenkin wrote:

> Hackers,
> 
> I'm currently testing my Bluetooth code for FreeBSD on recent
> -current. After i upgraded to recent current from current-DP1
> i'm experiencing a major slowdown in USB device speed. 
> 
> On current-DP1 the USB device was able to handle about 50-60
> KBytes/sec. On recent -current _the_same_ device driver can
> only do 11-12 KBytes/sec :(
> 
> Another driver (PC-CARD) connected to my Bluetooth stack
> can do 50-60 KBytes/sec (sending/receiving) - so it is 
> not a Bluetooth stack itself. Also the same USB device
> connected to Linux box can do 50-60 KBytes/sec - so it is not
> a USB device itself.
> 
> The problem only exists when i connect USB device to -current
> FreeBSD box. I suspect that problem could be in:
> 
> a) USB device driver
> b) USB stack itself
> c) someplace else?
> 
> Does anyone have a similar problems? I'm slowly going though
> the diff's between DP1 USB code and -current USB code, but
> may be someone can give me a clue.
> 
> thanks,
> max
> 
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