From owner-freebsd-current@FreeBSD.ORG  Thu Mar  2 08:46:47 2006
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Date: Thu, 02 Mar 2006 01:45:35 -0700 (MST)
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To: pbowen@fastmail.fm
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-current@freebsd.org
Subject: Re: -current panics when usb device is detached
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In message: <440654EA.7020207@fastmail.fm>
            Patrick Bowen <pbowen@fastmail.fm> writes:
: M. Warner Losh wrote:
: 
: >In message: <4404AAF1.6090009@savvis.net>
: >            Maksim Yevmenkin <maksim.yevmenkin@savvis.net> writes:
: >: is usb in -current broken? my laptop panics when i detach usb device.
: >
: >I'll take a look into this, since I think I may have broken this...
: >
: >Warner
: >_______________________________________________
: >freebsd-current@freebsd.org mailing list
: >http://lists.freebsd.org/mailman/listinfo/freebsd-current
: >To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
: >
: >  
: >
: Mr. Losh;
: 
: Had the same thing happen on my machine;
: 
: FreeBSD sg1.sgc.org 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Wed Mar  1 
: 19:18:18 CST 2006     pbowen@sg1.sgc.org:/usr/obj/usr/src/sys/GENERIC  i386
: 
: I don't remember if you got a backtrace from the OP, so I'm attaching 
: that and a dmesg. Hope it helps.

I've reverted the change in -stable that I'm pretty sure is the root
of this.  I'll try to find some time soon to fix it in head.

Warner