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From: Hans Petter Selasky <hselasky@c2i.net>
To: Sam Leffler <sam@errno.com>
Date: Fri, 14 Aug 2009 20:30:53 +0200
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Cc: freebsd-current@freebsd.org, Florent Thoumie <flz@xbsd.org>
Subject: Re: Panic in rum(4) on 8.0-BETA2
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On Friday 14 August 2009 20:02:32 Sam Leffler wrote:
> The rum driver violates locking requirements by dropping the net80211
> lock in the driver's

That would apply to at least if_zyd and if_ural aswell. The lock is dropped so 
that syncronous USB I/O operations can be performed.

--HPS