Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753262Ab0HWXqp (ORCPT ); Mon, 23 Aug 2010 19:46:45 -0400 Received: from tex.lwn.net ([70.33.254.29]:45071 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752254Ab0HWXqn (ORCPT ); Mon, 23 Aug 2010 19:46:43 -0400 Date: Mon, 23 Aug 2010 17:46:41 -0600 From: Jonathan Corbet To: Chris Wilson Cc: LKML , dri-devel@lists.freedesktop.org, Eric Anholt Subject: Re: [now bisected] i915: 2.6.36-rc2 hoses my Intel display Message-ID: <20100823174641.4ba58bfe@bike.lwn.net> In-Reply-To: <8u3s94$gak083@orsmga002.jf.intel.com> References: <20100823110145.08eb72fd@bike.lwn.net> <20100823151708.6b242599@bike.lwn.net> <8u3s8d$jcc0rr@orsmga001.jf.intel.com> <20100823173225.2bda6f78@bike.lwn.net> <8u3s94$gak083@orsmga002.jf.intel.com> Organization: LWN.net X-Mailer: Claws Mail 3.7.6 (GTK+ 2.21.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 751 Lines: 21 On Tue, 24 Aug 2010 00:37:52 +0100 Chris Wilson wrote: > drm.debug=0x4 should print the right information for this bug. That doesn't seem to give me any output at all. One thing I noticed, though, is that I occasionally get something like: Aug 23 17:43:14 bike kernel: [ 142.920185] [drm:intel_calculate_wm] *ERROR* Insufficient FIFO for plane, expect flickering: entries required = 51, available = 28. They seem to come in threes, for whatever that's worth. Thanks, jon -- 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/