From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chun-Yu Shei Subject: Re: Fwd: 2.6.36-rc5 i915 regression Date: Sat, 30 Oct 2010 16:13:20 -0400 Message-ID: <4CCC7C60.7070801@cs.indiana.edu> References: <201010011300.06298.johannes.hirte@fem.tu-ilmenau.de> <89k77n$p3lgk1@fmsmga001.fm.intel.com> <89kc63$i7tnpk@fmsmga002.fm.intel.com> <20101002090753.GB3265@zhen-devel.sh.intel.com> <89k77n$p72i7f@fmsmga001.fm.intel.com> <0d30dc$jvpph8@orsmga001.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from newman.cs.indiana.edu (newman.cs.indiana.edu [129.79.247.4]) by gabe.freedesktop.org (Postfix) with ESMTP id 0C7D19E9D1 for ; Sat, 30 Oct 2010 13:13:25 -0700 (PDT) Received: from smtp.cs.indiana.edu (smtp.cs.indiana.edu [129.79.247.7]) by newman.cs.indiana.edu (8.13.8/8.13.8/IUCS_2.92) with ESMTP id o9UKDORA008719 for ; Sat, 30 Oct 2010 16:13:25 -0400 Received: from [192.168.1.132] (c-98-223-233-19.hsd1.in.comcast.net [98.223.233.19]) (authenticated bits=0) by rage.cs.indiana.edu (8.13.1/8.13.1/IUCS_SMTP_Alternate_Port_1.5) with ESMTP id o9UKDKA9024911 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 30 Oct 2010 16:13:24 -0400 In-Reply-To: <0d30dc$jvpph8@orsmga001.jf.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On 10/26/10 04:30, Chris Wilson wrote: > On Tue, 26 Oct 2010 01:19:50 +0200, Seblu wrote: >> - after one day, applications become graphically slow. > > You're not alone. Eric has reported that writes to a GTT mapping become > glacially slow after some time, without any distortion in the CPU profile. > Can we collate what hardware we are seeing this effect on? Would a dramatic slowdown in flash video framerates be a symptom of this? If so, I'm also experiencing this after 1-2 days on an Arrandale. Chun-Yu