From owner-freebsd-usb@FreeBSD.ORG  Thu Apr 24 18:55:57 2008
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From: Hans Petter Selasky <hselasky@c2i.net>
To: "Xiaofan Chen" <xiaofanc@gmail.com>
Date: Thu, 24 Apr 2008 17:57:07 +0200
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Cc: freebsd-usb@freebsd.org
Subject: Re: PICkit 2 again with HPS stack
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Hi Xiaofan,

The problem should at least be fixed in "revision 711". The problem has 
existed for a while after I made some changes to the "usbd_do_request_flags" 
routine. The problem is that the required mutex is not locked when doing the 
set config call.

--HPS