Return-path: Received: from mx1.redhat.com ([209.132.183.28]:62126 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751894Ab3GPGxn (ORCPT ); Tue, 16 Jul 2013 02:53:43 -0400 Date: Tue, 16 Jul 2013 08:56:27 +0200 From: Stanislaw Gruszka To: Ortwin =?iso-8859-1?Q?Gl=FCck?= Cc: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org Subject: Re: [BUG] 3.10 regression: hang on suspend Message-ID: <20130716065626.GA1587@redhat.com> (sfid-20130716_085417_999464_0F29E13F) References: <51E4501D.3010001@odi.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 In-Reply-To: <51E4501D.3010001@odi.ch> Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi On Mon, Jul 15, 2013 at 09:40:13PM +0200, Ortwin Gl?ck wrote: > My Samsung ultrabook hangs when suspending to RAM since this commit > (bisected). Disabling wifi before suspend works around the issue. > All works fine with 3.9.y. > > 12e7f517029dad819c45eca9ca01fdb9ba57616b > > Author: Stanislaw Gruszka > > Date: Thu Feb 28 10:55:26 2013 +0100 > > mac80211: cleanup generic suspend/resume procedures > > Since now we disconnect before suspend, various code which save > connection state can now be removed from suspend and resume > procedure. Cleanup on resume side is smaller as ieee80211_reconfig() > is also used for H/W restart. > > Signed-off-by: Stanislaw Gruszka > Signed-off-by: Johannes Berg Apparently this commit changed suspend procedure on mac80211, but it's not obvious for me why it hangs :-( What is your user space configuration (are you using NM or other software or maybe just wpa_supplicant)? Are you using wowlan? If you do add no_console_suspend boot parameter does it print some diagnostic messages during suspend before the hang ? Thanks Stanislaw