Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757803Ab0HEFnK (ORCPT ); Thu, 5 Aug 2010 01:43:10 -0400 Received: from mga01.intel.com ([192.55.52.88]:44213 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753624Ab0HEFnI (ORCPT ); Thu, 5 Aug 2010 01:43:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.55,320,1278313200"; d="scan'208";a="824892018" Message-ID: <4C5A4F68.5030309@intel.com> Date: Thu, 05 Aug 2010 13:43:04 +0800 From: Shuang He User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.7) Gecko/20100713 Thunderbird/3.1.1 MIME-Version: 1.0 To: Thomas Meyer CC: Stefan Richter , "Zou, Nanhai" , Linux Kernel Mailing List , "dri-devel@lists.freedesktop.org" Subject: Re: 2.6.35-rc6+: i915: Bisected regression References: <201008011101.01429.thomas@m3y3r.de> <4C555DA0.6020109@s5r6.in-berlin.de> <98E20220-BFC9-4231-AEF5-EB59588E6D2F@m3y3r.de> In-Reply-To: <98E20220-BFC9-4231-AEF5-EB59588E6D2F@m3y3r.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2115 Lines: 63 On 2010-8-1 18:51, Thomas Meyer wrote: > Am 01.08.2010 um 13:42 schrieb Stefan Richter: > >> Thomas Meyer wrote: >>> This commit makes suspend to ram unreliable for me: >>> >>> commit d1b851fc0d105caa6b6e3e7c92d2987dfb52cbe0 >>> Author: Zou Nan hai >>> Date: Fri May 21 09:08:57 2010 +0800 >>> >>> drm/i915: implement BSD ring buffer V2 >>> >>> The BSD (bit stream decoder) ring is used for accessing the BSD engine >>> which decodes video bitstream for H.264 and VC1 on G45+. It is >>> asynchronous with the render ring and has access to separate parts of >>> the GPU from it, though the render cache is coherent between the two. >>> >>> Signed-off-by: Zou Nan hai >>> Signed-off-by: Xiang Hai hao >>> Signed-off-by: Eric Anholt >>> >>> git revert didn't work on 2.6.35-rc6 so I just changed the HAS_BSD thing to: >>> >>> #define HAS_BSD(dev) (0) >>> >>> with this change applied suspend to ram is back to the reliability of 2.6.34.y >>> >>> with kind regards >>> thomas >> Added CCs. >> >> Thomas, on what hardware did you observe the regression? > Is a Intel mobile express gm45 chipset. > >> Is it suspend >> or resume that is unreliable? > suspend never finishes/hangs. > >> What are the particular symptoms --- does >> not suspend, crashes during suspend, crashes during resume...? > Does not suspend, backlight is on. Could you help report a bug for this issue by following http://intellinuxgraphics.org/how_to_report_bug.html Thanks --Shuang >> -- >> Stefan Richter >> -=====-==-=- =--- ----= >> http://arcgraph.de/sr/ > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- 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/