From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pali =?utf-8?B?Um9ow6Fy?= Subject: Re: Regression with dell-rbtn: radio killed on resume after suspend to RAM Date: Mon, 23 Nov 2015 15:50:28 +0100 Message-ID: <20151123145026.GF24147@pali> References: <5650BE8E.2080506@gmail.com> <201511212008.46761@pali> <5650D693.6050808@gmail.com> <56515F57.8060801@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-wm0-f43.google.com ([74.125.82.43]:35486 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754014AbbKWOua (ORCPT ); Mon, 23 Nov 2015 09:50:30 -0500 Received: by wmuu63 with SMTP id u63so57329320wmu.0 for ; Mon, 23 Nov 2015 06:50:29 -0800 (PST) Content-Disposition: inline In-Reply-To: <56515F57.8060801@gmail.com> Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: Gabriele Mazzotta Cc: platform-driver-x86@vger.kernel.org, mjg59@srcf.ucam.org, dvhart@infradead.org, Andrei Borzenkov On Sunday 22 November 2015 09:23:19 Andrei Borzenkov wrote: > 21.11.2015 23:39, Andrei Borzenkov =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > >21.11.2015 22:08, Pali Roh=C3=A1r =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > >>On Saturday 21 November 2015 19:57:18 Andrei Borzenkov wrote: > >>>After installing 4.2 on Dell Latitude E5450 I found that wireless = was > >>>disabled every second resume from suspend to RAM. Blacklisting > >>>dell-rbtn "fixed" it. > >>> > >>>This is probably the same as discussed in this Arch forum and rela= ted > >>>bug report: https://bbs.archlinux.org/viewtopic.php?id=3D203404. I > >>>myself hit it on Ubuntu. > >>> > >>>I am not familiar with other models, but E5450 does have DELLABCE = and > >>>so is using dell-rbtn driver. > >>> > >>>I am happy to test patches if need. Please let me know if formal b= ug > >>>report is required. > >>> > >>>-andrei > >> > >>Hi Andrei! > >> > >>About five hours ago Gabriele sent patch which fixing this problem = to > >>LKML. You can find it on: https://lkml.org/lkml/2015/11/21/57 > >> > >>Can you test that patch and confirm it fix also for you? > >> > > > >Yes, it does. >=20 > Unfortunately it was too early. Today after resume I again got disabl= e > radio, and also several later attempts to suspend/resume. Then last t= ime I > suddenly got radio working again after resume. >=20 > Patch looks racy; there is no guarantee we get notification before re= setting > in suspend flag. >=20 Gabriele, any idea how to fix this? --=20 Pali Roh=C3=A1r pali.rohar@gmail.com