From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751507AbdKVELn (ORCPT ); Tue, 21 Nov 2017 23:11:43 -0500 Received: from gherkin.frus.com ([192.158.254.49]:52182 "EHLO gherkin.frus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751409AbdKVELm (ORCPT ); Tue, 21 Nov 2017 23:11:42 -0500 Date: Tue, 21 Nov 2017 22:11:41 -0600 From: Bob Tracy To: linux-kernel@vger.kernel.org Subject: Re: [BUG] 4.14 regression: Xorg hangs on exit Message-ID: <20171122041141.GA1778@gherkin.frus.com> References: <20171121171235.GA22443@gherkin.frus.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171121171235.GA22443@gherkin.frus.com> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 21, 2017 at 11:12:35AM -0600, Bob Tracy wrote: > Apologies for the lack of detail, but the subject pretty much says it > all. Xorg works fine with 4.13, but hangs on exit with 4.14. > > Logging in remotely and applying the "kill -9" sledgehammer has no > effect. System logs don't show anything unusual going on. Rebooting > hangs because of the unkillable process: hitting the reset switch is > the only way forward. > > Video driver is "radeon", reporting "ATOM BIOS: REDWOOD" at boot time. > Console is fb0 == radeondrmfb. Only an "occasional" bad deal? Lockup doesn't happen every time. I'll make this a "watch" item for the time being. I'd apologize for the noise, but I never saw this happen prior to running the 4.14 kernel. Maybe was just lucky up until now :-(. Running a 32-bit SMP kernel per "uname -a" output below: Linux gherkin 4.14.0 #1 SMP PREEMPT Thu Nov 16 23:34:38 CST 2017 i686 Intel(R) Core(TM) i7-2600S CPU @ 2.80GHz GenuineIntel GNU/Linux The i7-2600S has four hyperthreaded cores (/proc/cpuinfo shows 8 CPUs). --Bob