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Date: Mon, 28 May 2007 14:22:46 -0600 (MDT)
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To: julian@elischer.org
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-usb@freebsd.org
Subject: Re: RE : UMASS pbm at startup
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In message: <465B2D8C.6050301@elischer.org>
            Julian Elischer <julian@elischer.org> writes:
: Alexandre DELAY wrote:
: > But why does it work with an other motherboard and not with an other one? It
: > is the same usb mass storage and the same system. Is it possible that it is
: > due to IRQ interruptions? Maybe that the first motherboard doesn't have IRQ
: > on USB port!?
: > 
: 
: try a different USB port.. some motherboards do wierd things with some ports.

That also suggests another workaround: Adding a 2.0 hub can paper over
some problems too.

Warner