From owner-freebsd-current  Wed Nov  6 10: 3:32 2002
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Date: Wed, 06 Nov 2002 10:03:29 -0800
From: Maksim Yevmenkin <myevmenk@exodus.net>
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To: Josef Karthauser <joe@FreeBSD.org>
Cc: current@freebsd.org
Subject: Re: USB problem (Who owns USB code in -current?)
References: <3DC6BD74.25097511@exodus.net> <20021106130658.GB8523@genius.tao.org.uk> <3DC94D17.DC5D8D6@exodus.net> <20021106175553.GB11543@genius.tao.org.uk>
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Josef,

> > > > This problem is FreeBSD-specific and seems related to
> > > > Bluetooth USB dongles only. I have been contacted by other
> > > > people who have the same problem. I do not know what is so
> > > > special about Bluetooth USB dongles. USB mouse, for example,
> > > > works fine. Can it be power related? Both Windows and
> > > > Linux do not have this problem which makes me think that
> > > > there is something different about FreeBSD way of doing
> > > > things.
> > >
> > > Compile the kernel with 'option USB_DEBUG' and then tweak the hw.usb
> > > sysctls to get debug output for your controller, the usb stack and the
> > > uhub.  Maybe this will shed some light on the problem.
> >
> > i *did* compile my kernel with USB_DEBUG and *did* tweak
> > sysctl's. i even attached the dump to my previous message.
> 
> I didn't see the dump, just the output of usbdevs.  Maybe I missed it.
> 
> > it seems there is some kind of communication error on the
> > bus and stack can not get device descriptor. i need to know
> > what might cause these communication errors.
> 
> It's got to be a bug in the uhub area.  You said that it works ok if the
> device is plugged in directly?
> 
> What I'd like to see is the output with:
> 
> hw.*.usb.debug=50
> hw.*.uhub.debug=50

i set all sysctl's to 99 and put the all the dumps at

http://www.geocities.com/m_evmenkin/usb/

may be attachment was too big for the list.

thanks,
max

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