Return-Path: From: To: , CC: , , , , , Date: Wed, 4 May 2011 10:53:17 +0300 Subject: RE: [PATCH] bluetooth: Fix for security block issue. Message-ID: <7D7F2FD3846CF6429ACEBDFB5A2DD86F07F33ED77A@EXMB01.eu.tieto.com> References: <1295965639-16683-1-git-send-email-lukasz.rymanowski@tieto.com> <1295971990.1520.53.camel@aeonflux> <4DB935D9.5080302@nokia.com> <20110428095139.GJ18898@null> <4DBA6D97.7050207@nokia.com> In-Reply-To: <4DBA6D97.7050207@nokia.com> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 List-ID: On Thu, Apr 28, 2011 at 12:39:37PM +0300, Antti Julku wrote: > It's easy to reproduce at least with these dongles: >=20 > Alink BLUEUSB21 (BCM) > Belkin BT2.1 F8T017 (BCM) > DeLock 2.1 (CSR) > PTS 2.1 (CSR) >=20 > So most of our BT 2.1 dongles seem to be buggy. It would be nice to=20 > have a workaround since it happens with so many dongles. If there is so many buggy devices I think Gustavo and Marcel could consider= to take this patch. On 04/28/2011 12:51 PM, ext Ville Tervo wrote: > Could the actual reason be some change in usb stack? Could it have=20 > lower priority for event pipe than for data pipe? In that case event=20 > for security change might arrive to bt stack too late. > > At lest I haven't seen this kind of behaviour with serial attached=20 > chips. So I think this is something USB specific. I found the problem on serial attached chip. Before I received fix in the chip I used that patch for couple months witho= ut the problems. Br Lukasz