From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753099AbcGMKs2 (ORCPT ); Wed, 13 Jul 2016 06:48:28 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:36938 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751139AbcGMKsT (ORCPT ); Wed, 13 Jul 2016 06:48:19 -0400 Date: Wed, 13 Jul 2016 12:48:03 +0200 From: Pavel Machek To: Michal Feix Cc: Ezequiel Garcia , One Thousand Gnomes , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: Re: Kernel stability on baytrail machines Message-ID: <20160713104802.GA18296@atrey.karlin.mff.cuni.cz> References: <606d9b223f3c12775d108b98c4df72ae@feix.cz> <20160409160119.GA19362@xo-6d-61-c0.localdomain> <20160409201417.4436d4bd@lxorguk.ukuu.org.uk> <20160712194158.GA4834@laptop> <20160712212448.GA19237@amd> <864e7ac7-8041-9a81-819c-d6b60b59dd0f@feix.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <864e7ac7-8041-9a81-819c-d6b60b59dd0f@feix.cz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Tue 2016-07-12 16:41:58, Ezequiel Garcia wrote: > >>Hi Alan, > >> > >>(Adding interested people to this thread) > >> > >>On 09 Apr 08:14 PM, One Thousand Gnomes wrote: > >>>>>I do feel that the importance of the mentioned bug is currently > >>>>>underestimated. Can anyone here give a note, how much current linux > >>>>>kernel is supposed to be stable on general baytrail machines? > >>>>If you did not get any replies... you might want to check MAINTAINERS file, and > >>>>put Intel x86 maintainers on Cc list. > >>>> > >>>>I'm sure someone cares :-). > >>>Yes we care, and there are people looking at the various reports. > >>> > >>Are there any updates on the status of this issue? > >> > >>The current bugzilla report [1] marks this as a power management > >>issue. However, many reports indicate that it would only freeze > >>when running X, so it's not completely clear if it's related to > >>the gfx driver too. > >Does > > > >"intel_idle.max_cstate=1" > > > >fix it for you? > Yes, it does. > >If you feel it is X-only problem, you may want to provide details > >about your graphics subsystem (DRM enabled? framebuffer only?) and > >probably cc. > It's not X-only problem. Happens even in console mode, which is KMS > switched during boot though. > >...actually... you may want to verify if it happens in unaccelerated X. > As it happens even in console mode, is this relevant test? No, no need to test with X. Would it be possible to test in good old VGA mode? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html