Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751031Ab0LOIdw (ORCPT ); Wed, 15 Dec 2010 03:33:52 -0500 Received: from mail-ww0-f44.google.com ([74.125.82.44]:46101 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750862Ab0LOIdv (ORCPT ); Wed, 15 Dec 2010 03:33:51 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:from:date:message-id:subject:to:cc:content-type; b=U7G6nLpjpyL2pXRNd7KQS76935gzx+d5bfm2BOKR/IZuYAVTVAms63LZ+cGMuLebSF 9AoTgiXuedPbcpDPe0A3Jnp6tkCzgesEB3qaiFe+vcXfdT8kiDfI0d4Pg/Y8KJh4SqoI A0iXFVMi94p+go2AOBbO3zVJL9RxnB58zOEPc= MIME-Version: 1.0 From: Hui Zhu Date: Wed, 15 Dec 2010 16:33:29 +0800 Message-ID: Subject: [BUG] i915 boot got black screen with 2.6.37-rc5+ To: linux-kernel@vger.kernel.org Cc: keithp@keithp.com, ak@linux.intel.com, chris@chris-wilson.co.uk, gregkh@suse.de, stable@kernel.org, Andi Kleen Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3088 Lines: 65 The right log with 2.6.37-rc3+: Dec 15 16:13:03 teawater-workpc kernel: [ 14.569871] [drm] Initialized drm 1.1.0 20060810 Dec 15 16:13:03 teawater-workpc kernel: [ 14.882768] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Dec 15 16:13:03 teawater-workpc kernel: [ 14.882775] i915 0000:00:02.0: setting latency timer to 64 Dec 15 16:13:03 teawater-workpc kernel: [ 14.894778] mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining Dec 15 16:13:03 teawater-workpc kernel: [ 14.894781] [drm] MTRR allocation failed. Graphics performance may suffer. Dec 15 16:13:03 teawater-workpc kernel: [ 14.895367] i915 0000:00:02.0: irq 43 for MSI/MSI-X Dec 15 16:13:03 teawater-workpc kernel: [ 14.895610] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem Dec 15 16:13:03 teawater-workpc kernel: [ 14.895927] [drm] initialized overlay support Dec 15 16:13:03 teawater-workpc kernel: [ 14.981492] Console: switching to colour frame buffer device 210x65 Dec 15 16:13:03 teawater-workpc kernel: [ 14.986676] fb0: inteldrmfb frame buffer device Dec 15 16:13:03 teawater-workpc kernel: [ 14.986678] drm: registered panic notifier Dec 15 16:13:03 teawater-workpc kernel: [ 14.986761] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 The black log with 2.6.37-rc5+: Dec 15 16:10:51 teawater-workpc kernel: [ 12.418419] [drm] Initialized drm 1.1.0 20060810 Dec 15 16:10:51 teawater-workpc kernel: [ 12.945240] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Dec 15 16:10:51 teawater-workpc kernel: [ 12.945246] i915 0000:00:02.0: setting latency timer to 64 Dec 15 16:10:51 teawater-workpc kernel: [ 12.957555] mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining Dec 15 16:10:51 teawater-workpc kernel: [ 12.957559] [drm] MTRR allocation failed. Graphics performance may suffer. Dec 15 16:10:51 teawater-workpc kernel: [ 12.958502] i915 0000:00:02.0: irq 42 for MSI/MSI-X Dec 15 16:10:51 teawater-workpc kernel: [ 12.958806] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem Dec 15 16:10:51 teawater-workpc kernel: [ 12.959124] [drm] initialized overlay support Dec 15 16:10:51 teawater-workpc kernel: [ 13.980020] No connectors reported connected with modes Dec 15 16:10:51 teawater-workpc kernel: [ 13.980025] [drm] Cannot find any crtc or sizes - going 1024x768 Dec 15 16:10:51 teawater-workpc kernel: [ 13.986063] Console: switching to colour frame buffer device 128x48 Dec 15 16:10:51 teawater-workpc kernel: [ 13.988296] fb0: inteldrmfb frame buffer device Dec 15 16:10:51 teawater-workpc kernel: [ 13.988298] drm: registered panic notifier Dec 15 16:10:51 teawater-workpc kernel: [ 13.988425] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 Thanks, Hui -- 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/