From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [REGRESSION v4.7] i915 / drm crash when undocking from DP monitors Date: Tue, 11 Oct 2016 16:55:22 +0300 Message-ID: <877f9fyoqd.fsf@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Vadim Lobanov , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org T24gU2F0LCAwOCBPY3QgMjAxNiwgVmFkaW0gTG9iYW5vdiA8dmFkaW1wbG9iYW5vdkBnbWFpbC5j b20+IHdyb3RlOgo+IEknbSBzZWVpbmcgYSByZXBlYXRhYmxlIGNyYXNoIG9uIG15IEhQIEVsaXRl Qm9vayA4NDAgRzIvMjIxNiB3aGVuCj4gYm9vdGluZyBpdCB3aGlsZSBpbiBhIGRvY2tpbmcgc3Rh dGlvbiBjb25uZWN0ZWQgdG8gdHdvIGV4dGVybmFsCj4gRGlzcGxheVBvcnQgbW9uaXRvcnMsIHVu ZG9ja2luZywgYW5kIHRoZW4gZWl0aGVyIGxvZ2dpbmcgb3V0IG9yCj4gc2h1dHRpbmcgZG93biAt LSByZWdhcmRsZXNzIG9mIHdoZXRoZXIgSSd2ZSByZWRvY2tlZCBpdCBiZWZvcmVoYW5kIG9yCj4g bm90LiBCb3RoIGxvZ291dCBhbmQgc2h1dGRvd24gd29yayBncmVhdCBpZiBJIGRvIG5vdCB1bmRv Y2sgdGhlIGxhcHRvcAo+IGF0IGFsbCwgc28gdGhlIGJhZG5lc3MgY29ycmVsYXRlcyB3aXRoIHRo ZSBEUCBtb25pdG9ycyBnb2luZyBhd2F5LgoKUGxlYXNlIGZpbGUgYSBidWcgYXQgWzFdIHdpdGgg dGhlIGluZm8gaW4gdGhpcyBtYWlsLCBhZGQgZHJtLmRlYnVnPTE0Cm1vZHVsZSBwYXJhbWV0ZXIs IGFuZCBhdHRhY2ggZG1lc2cgZnJvbSBib290IHRvIHRoZSBwcm9ibGVtIGludG8gdGhlCmJ1Zy4K CkJSLApKYW5pLgoKWzFdIGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvZW50ZXJfYnVnLmNn aT9wcm9kdWN0PURSSSZjb21wb25lbnQ9RFJNL0ludGVsCgotLSAKSmFuaSBOaWt1bGEsIEludGVs IE9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxp c3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2ludGVsLWdmeAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753319AbcJKN6b (ORCPT ); Tue, 11 Oct 2016 09:58:31 -0400 Received: from mga02.intel.com ([134.134.136.20]:33646 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752657AbcJKN6a (ORCPT ); Tue, 11 Oct 2016 09:58:30 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,329,1473145200"; d="scan'208";a="771333480" From: Jani Nikula To: Vadim Lobanov , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [REGRESSION v4.7] i915 / drm crash when undocking from DP monitors In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: Date: Tue, 11 Oct 2016 16:55:22 +0300 Message-ID: <877f9fyoqd.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 08 Oct 2016, Vadim Lobanov wrote: > I'm seeing a repeatable crash on my HP EliteBook 840 G2/2216 when > booting it while in a docking station connected to two external > DisplayPort monitors, undocking, and then either logging out or > shutting down -- regardless of whether I've redocked it beforehand or > not. Both logout and shutdown work great if I do not undock the laptop > at all, so the badness correlates with the DP monitors going away. Please file a bug at [1] with the info in this mail, add drm.debug=14 module parameter, and attach dmesg from boot to the problem into the bug. BR, Jani. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel -- Jani Nikula, Intel Open Source Technology Center