Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932204AbaF3Kws (ORCPT ); Mon, 30 Jun 2014 06:52:48 -0400 Received: from mga03.intel.com ([143.182.124.21]:29545 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932077AbaF3Kwq (ORCPT ); Mon, 30 Jun 2014 06:52:46 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,574,1400050800"; d="scan'208";a="451560279" From: Jani Nikula To: Alan Stern , Ville =?utf-8?B?U3lyasOkbMOk?= Cc: intel-gfx , Kernel development list Subject: Re: [Intel-gfx] Regression in i915 driver in 3.16-rc2 In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: User-Agent: Notmuch/0.18+25~gfdc3e52 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-pc-linux-gnu) Date: Mon, 30 Jun 2014 13:52:35 +0300 Message-ID: <8738emis98.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 Wed, 25 Jun 2014, Alan Stern wrote: > On Wed, 25 Jun 2014, Ville [iso-8859-1] Syrjl wrote: > >> On Wed, Jun 25, 2014 at 02:06:55PM -0400, Alan Stern wrote: >> > Daniel: >> > >> > I encountered a new problem in the i915 driver the first time I booted >> > a 3.16-rc kernel on this computer. When it switched over to the frame >> > buffer driver, the screen went blank and stayed that way. >> > >> > 3.15 works okay. >> > >> > Attached are log extracts from 3.15 and 3.16 (both with drm.debug=0xe >> > in the boot command line). The timestamps have been stripped out for >> > easy diff comparison. These are the result of >> > >> > dmesg | egrep 'drm|i915|frame' >> > >> > with a couple of irrelevant lines removed. I can send the complete >> > logs if you need them. >> > >> > Alan Stern >> >> > Kernel command line: BOOT_IMAGE=/boot/test-3.x root=/dev/hda8 ro console=ttyS0,115200 console=tty0 earlyprintk=serial,ttyS0,115200 no_console_suspend drm.debug=0xe vconsole.keymap=us vconsole.font=latarcyrheb-sun16 LANG=en_US.UTF-8 usbcore.dyndbg=+p ehci_hcd.dyndbg=+p >> > [drm] Initialized drm 1.1.0 20060810 >> > [drm:i915_dump_device_info] i915 device info: gen=2, pciid=0x2572 flags=has_overlay,overlay_needs_physical, >> > [drm:intel_detect_pch] No PCH found. >> > [drm] Memory usable by graphics device = 128M >> > [drm:i915_gem_gtt_init] GMADR size = 128M >> > [drm:i915_gem_gtt_init] GTT stolen size = 8M >> > [drm:i915_gem_gtt_init] ppgtt mode: 0 >> > [drm:intel_opregion_setup] graphic opregion physical addr: 0x0 >> > [drm:intel_opregion_setup] ACPI OpRegion not supported! >> > [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >> > [drm] Driver supports precise vblank timestamp query. >> > [drm:init_vbt_defaults] Set default to SSC at 66667 kHz >> > [drm:parse_general_features] BDB_GENERAL_FEATURES int_tv_support 1 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 48000 display_clock_mode 0 fdi_rx_polarity_inverted 0 >> ^^^^^^^^^^^^^^^^^ >> >> This should get your display back: >> http://patchwork.freedesktop.org/patch/28508/ > > It did indeed. Thank you very much. Fix pushed to drm-intel-fixes; expect to land in v3.16-rc4 or v3.16-rc5 at the latest. Thanks for the report and testing. BR, Jani. > > Alan Stern > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/