From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932189AbbBSAqZ (ORCPT ); Wed, 18 Feb 2015 19:46:25 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:51263 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753367AbbBSAqW (ORCPT ); Wed, 18 Feb 2015 19:46:22 -0500 From: "Rafael J. Wysocki" To: Pavel Machek Cc: kernel list , Linux PM list , Daniel Vetter Subject: Re: 3.20-rc0: GUI dies on resume, then systemd gots sigill Date: Thu, 19 Feb 2015 02:09:27 +0100 Message-ID: <2244262.p04RxBg4Pz@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.19.0+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <20150218190052.GA25491@amd> References: <20150218094631.GA3352@amd> <2254794.AHR7M2FYHX@vostro.rjw.lan> <20150218190052.GA25491@amd> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday, February 18, 2015 08:00:52 PM Pavel Machek wrote: > Hi! > > On Wed 2015-02-18 17:39:08, Rafael J. Wysocki wrote: > > On Wednesday, February 18, 2015 10:46:32 AM Pavel Machek wrote: > > > Hi! > > > > > > In 3.19, suspend/resume was rock solid. > > > > > > 3.20-rc0, after resume, I could see X windows dying. So I tried to log > > > in on text console, but at that point got a note about SIGILL from > > > systemd (and dead system). syslog ilustrates it nicely. > > > > > > Any ideas? > > > > The dying X may be a graphics driver problem. > > > > Have you tried to suspend/resume without X? > > > > The systemd failure after the failing resume indicates that something was > > stuck somewhere or we corrupted memory. > > It looks like everyone and their dog gets SIGILL, so... yes, I'll try > without X, no, I don't think it will make difference. > > For the record, 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f is bad. > > Does it work for you? Do you have any Intel graphics machine nearby? I'm at a conference, so not really. CCing Daniel though, he may be able to help. Rafael