From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Kernel stability on baytrail machines Date: Tue, 12 Jul 2016 23:24:48 +0200 Message-ID: <20160712212448.GA19237@amd> References: <606d9b223f3c12775d108b98c4df72ae@feix.cz> <20160409160119.GA19362@xo-6d-61-c0.localdomain> <20160409201417.4436d4bd@lxorguk.ukuu.org.uk> <20160712194158.GA4834@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20160712194158.GA4834@laptop> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ezequiel Garcia Cc: One Thousand Gnomes , linux-pm@vger.kernel.org, intel-gfx@lists.freedesktop.org, Michal Feix , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: linux-pm@vger.kernel.org T24gVHVlIDIwMTYtMDctMTIgMTY6NDE6NTgsIEV6ZXF1aWVsIEdhcmNpYSB3cm90ZToKPiBIaSBB bGFuLAo+IAo+IChBZGRpbmcgaW50ZXJlc3RlZCBwZW9wbGUgdG8gdGhpcyB0aHJlYWQpCj4gCj4g T24gMDkgQXByIDA4OjE0IFBNLCBPbmUgVGhvdXNhbmQgR25vbWVzIHdyb3RlOgo+ID4gPiA+IEkg ZG8gZmVlbCB0aGF0IHRoZSBpbXBvcnRhbmNlIG9mIHRoZSBtZW50aW9uZWQgYnVnIGlzIGN1cnJl bnRseQo+ID4gPiA+IHVuZGVyZXN0aW1hdGVkLiBDYW4gYW55b25lIGhlcmUgZ2l2ZSBhIG5vdGUs IGhvdyBtdWNoIGN1cnJlbnQgbGludXgKPiA+ID4gPiBrZXJuZWwgaXMgc3VwcG9zZWQgdG8gYmUg c3RhYmxlIG9uIGdlbmVyYWwgYmF5dHJhaWwgbWFjaGluZXM/ICAKPiA+ID4gCj4gPiA+IElmIHlv dSBkaWQgbm90IGdldCBhbnkgcmVwbGllcy4uLiB5b3UgbWlnaHQgd2FudCB0byBjaGVjayBNQUlO VEFJTkVSUyBmaWxlLCBhbmQKPiA+ID4gcHV0IEludGVsIHg4NiBtYWludGFpbmVycyBvbiBDYyBs aXN0Lgo+ID4gPiAKPiA+ID4gSSdtIHN1cmUgc29tZW9uZSBjYXJlcyA6LSkuCj4gPiAKPiA+IFll cyB3ZSBjYXJlLCBhbmQgdGhlcmUgYXJlIHBlb3BsZSBsb29raW5nIGF0IHRoZSB2YXJpb3VzIHJl cG9ydHMuCj4gPiAKPiAKPiBBcmUgdGhlcmUgYW55IHVwZGF0ZXMgb24gdGhlIHN0YXR1cyBvZiB0 aGlzIGlzc3VlPwo+IAo+IFRoZSBjdXJyZW50IGJ1Z3ppbGxhIHJlcG9ydCBbMV0gbWFya3MgdGhp cyBhcyBhIHBvd2VyIG1hbmFnZW1lbnQKPiBpc3N1ZS4gSG93ZXZlciwgbWFueSByZXBvcnRzIGlu ZGljYXRlIHRoYXQgaXQgd291bGQgb25seSBmcmVlemUKPiB3aGVuIHJ1bm5pbmcgWCwgc28gaXQn cyBub3QgY29tcGxldGVseSBjbGVhciBpZiBpdCdzIHJlbGF0ZWQgdG8KPiB0aGUgZ2Z4IGRyaXZl ciB0b28uCgpEb2VzCgoiaW50ZWxfaWRsZS5tYXhfY3N0YXRlPTEiCgpmaXggaXQgZm9yIHlvdT8K CklmIHlvdSBmZWVsIGl0IGlzIFgtb25seSBwcm9ibGVtLCB5b3UgbWF5IHdhbnQgdG8gcHJvdmlk ZSBkZXRhaWxzCmFib3V0IHlvdXIgZ3JhcGhpY3Mgc3Vic3lzdGVtIChEUk0gZW5hYmxlZD8gZnJh bWVidWZmZXIgb25seT8pIGFuZApwcm9iYWJseSBjYy4KCi4uLmFjdHVhbGx5Li4uIHlvdSBtYXkg d2FudCB0byB2ZXJpZnkgaWYgaXQgaGFwcGVucyBpbiB1bmFjY2VsZXJhdGVkIFguCgpJTlRFTCBE Uk0gRFJJVkVSUyAoZXhjbHVkaW5nIFBvdWxzYm8sIE1vb3Jlc3Rvd24gYW5kIGRlcml2YXRpdmUK Y2hpcHNldHMpCk06ICAgICAgRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRlckBpbnRlbC5jb20+ Ck06ICAgICAgSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4KTDogICAg ICBpbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCkw6ICAgICAgZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpXOiAgICAgIGh0dHBzOi8vMDEub3JnL2xpbnV4Z3JhcGhpY3MvClE6 ICAgICAgaHR0cDovL3BhdGNod29yay5mcmVlZGVza3RvcC5vcmcvcHJvamVjdC9pbnRlbC1nZngv ClQ6ICAgICAgZ2l0IGdpdDovL2Fub25naXQuZnJlZWRlc2t0b3Aub3JnL2RybS1pbnRlbApTOiAg ICAgIFN1cHBvcnRlZApGOiAgICAgIGRyaXZlcnMvZ3B1L2RybS9pOTE1LwpGOiAgICAgIGluY2x1 ZGUvZHJtL2k5MTUqCkY6ICAgICAgaW5jbHVkZS91YXBpL2RybS9pOTE1X2RybS5oCgpCZXN0IHJl Z2FyZHMsCgkJCQkJCQkJCVBhdmVsCgotLSAKKGVuZ2xpc2gpIGh0dHA6Ly93d3cubGl2ZWpvdXJu YWwuY29tL35wYXZlbG1hY2hlawooY2Vza3ksIHBpY3R1cmVzKSBodHRwOi8vYXRyZXkua2FybGlu Lm1mZi5jdW5pLmN6L35wYXZlbC9waWN0dXJlL2hvcnNlcy9ibG9nLmh0bWwKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751599AbcGLVZA (ORCPT ); Tue, 12 Jul 2016 17:25:00 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:51063 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751096AbcGLVYw (ORCPT ); Tue, 12 Jul 2016 17:24:52 -0400 Date: Tue, 12 Jul 2016 23:24:48 +0200 From: Pavel Machek To: Ezequiel Garcia Cc: One Thousand Gnomes , Michal Feix , 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: <20160712212448.GA19237@amd> References: <606d9b223f3c12775d108b98c4df72ae@feix.cz> <20160409160119.GA19362@xo-6d-61-c0.localdomain> <20160409201417.4436d4bd@lxorguk.ukuu.org.uk> <20160712194158.GA4834@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160712194158.GA4834@laptop> 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 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? 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. ...actually... you may want to verify if it happens in unaccelerated X. INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) M: Daniel Vetter M: Jani Nikula L: intel-gfx@lists.freedesktop.org L: dri-devel@lists.freedesktop.org W: https://01.org/linuxgraphics/ Q: http://patchwork.freedesktop.org/project/intel-gfx/ T: git git://anongit.freedesktop.org/drm-intel S: Supported F: drivers/gpu/drm/i915/ F: include/drm/i915* F: include/uapi/drm/i915_drm.h Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html