From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966709Ab2EPJHe (ORCPT ); Wed, 16 May 2012 05:07:34 -0400 Received: from cantor2.suse.de ([195.135.220.15]:47003 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965873Ab2EPJHc (ORCPT ); Wed, 16 May 2012 05:07:32 -0400 From: Oliver Neukum Organization: SUSE To: Pavel Machek Subject: Re: 3.4.0-rc7 regression: bluetooth vs. s2ram Date: Wed, 16 May 2012 11:03:50 +0200 User-Agent: KMail/1.13.5 (Linux/3.3.0-12-desktop+; KDE/4.4.4; x86_64; ; ) Cc: "Rafael J. Wysocki" , kernel list , linux-bluetooth@vger.kernel.org, marcel@holtmann.org, gustavo@padovan.org, johan.hedberg@gmail.com References: <20120515131453.GA1936@elf.ucw.cz> <201205151529.01603.oneukum@suse.de> <20120515180105.GA1923@elf.ucw.cz> In-Reply-To: <20120515180105.GA1923@elf.ucw.cz> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201205161103.50317.oneukum@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag, 15. Mai 2012, 20:01:06 schrieb Pavel Machek: > On Tue 2012-05-15 15:29:01, Oliver Neukum wrote: > > Am Dienstag, 15. Mai 2012, 15:14:57 schrieb Pavel Machek: > > > If I suspend without bnep0 active, resume works. > > > > > > (This has worked before, but "before" may mean 3.2 in this case). > > > > > > Can someone test/reproduce this? Ideas? > > > > > > PS: Under normal suspend/resume, I see these warnings in the > > > log. Maybe relevant? > > > > Most likely. Something has introduced a bug that crashes if the controller > > over which a bnep is run is getting away. Does it survive a surprise removal > > of the BT device while bnep is up? > > No, it does not. If I turn off hardware radio kill switch, machine > dies in the same way. So not just sleep related... You lose power, btusb cannot deal with that and you get an unplug/replug cycle. Can you get an oops when you are hitting the kill switch? Regards Oliver