From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934246AbcIOMc0 (ORCPT ); Thu, 15 Sep 2016 08:32:26 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:58678 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934042AbcIOMcT (ORCPT ); Thu, 15 Sep 2016 08:32:19 -0400 Date: Thu, 15 Sep 2016 14:32:16 +0200 From: Pavel Machek To: Sven Joachim Cc: jglisse@redhat.com, christian.koenig@amd.com, Alex Deucher , dri-devel@lists.freedesktop.org, lkml Subject: Re: Hibernation broken since commit 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.") Message-ID: <20160915123216.GE13132@amd> References: <87a8fmq355.fsf@turtle.gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87a8fmq355.fsf@turtle.gmx.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2016-09-05 00:20:06, Sven Joachim wrote: > Recently I got myself a new laptop with the following integrated GPU: > > 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mullins [Radeon R3 Graphics] (rev 40) > > I found that hibernation is broken in Linux 4.7+ (it works in Linux 4.6) > and bisected it to commit 274ad65c9d02 ("drm/radeon: hard reset r600 and > newer GPU when hibernating."). > > This has already been reported three months ago, but for a much older > GPU, see the thread starting at > https://lists.freedesktop.org/archives/dri-devel/2016-June/110050.html. > The symptoms are exactly the same as described by Boris Petkov in that > thread: after "systemctl hibernate" the screen goes blank, but the > machine remains powered on and needs to be power-cycled. If it is still unfixed, you may want to notify regressions maintainer, and Linus. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html