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