Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752967AbZLNUi3 (ORCPT ); Mon, 14 Dec 2009 15:38:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752088AbZLNUi2 (ORCPT ); Mon, 14 Dec 2009 15:38:28 -0500 Received: from moutng.kundenserver.de ([212.227.17.10]:56410 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750950AbZLNUi1 (ORCPT ); Mon, 14 Dec 2009 15:38:27 -0500 From: Arnd Bergmann To: Jesse Barnes Subject: Re: [BISECTED] drm: random hang since 620f378 "drm: prune modes when ..." Date: Mon, 14 Dec 2009 20:38:09 +0000 User-Agent: KMail/1.12.2 (Linux/2.6.31-rc8-00048-g652c393; KDE/4.3.2; x86_64; ; ) Cc: Dave Airlie , Daniel Vetter , Adam Jackson , linux-kernel@vger.kernel.org, dri-devel@lists.sourceforge.net, keithp@keithp.com, eric@anholt.net, Daniel Vetter References: <200912071830.14697.arnd@arndb.de> <1260741245.3123.0.camel@t60prh> <20091214102015.2f43f5b4@jbarnes-piketon> In-Reply-To: <20091214102015.2f43f5b4@jbarnes-piketon> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200912142038.09254.arnd@arndb.de> X-Provags-ID: V01U2FsdGVkX1+2VoS/ZZml5glQIvclbUm1dmwL1F12jwpMVx/ iTMvJqLHGW0IP9lZwHBhj4p547Qiv13MP6KZo2VCzDC6MmqctM JvAPd9eMFoTrliZNLBT7g== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3268 Lines: 51 On Monday 14 December 2009 18:20:15 Jesse Barnes wrote: > You can disable most of that code by loading i915 with 'powersave=0'. > If that patch really is at fault the powersave=0 should work around the > issue as well. Ok, I'll try that and let you know. Running the kernel before your patch has not crashed yet after two days of uptime. Now running with your patch but nothing else. When that crashes, I'll try the latest mainline with powersave=0. > It's been implicated in another issue (some display flicker and > underruns) so I'm pretty sure there's something wrong with it in some > configurations at least... I haven't seen that yet. FWIW, the device in question is 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) Subsystem: ASUSTeK Computer Inc. Device 8276 Flags: bus master, fast devsel, latency 0, IRQ 27 Memory at fe400000 (64-bit, non-prefetchable) [size=4M] Memory at d0000000 (64-bit, prefetchable) [size=256M] I/O ports at cc00 [size=8] Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+ Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCIe advanced features Kernel driver in use: i915 00: 86 80 22 2e 07 04 90 00 03 00 00 03 00 00 80 00 10: 04 00 40 fe 00 00 00 00 0c 00 00 d0 00 00 00 00 20: 01 cc 00 00 00 00 00 00 00 00 00 00 43 10 76 82 30: 00 00 00 00 90 00 00 00 00 00 00 00 0a 01 00 00 00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) Subsystem: ASUSTeK Computer Inc. Device 8276 Flags: bus master, fast devsel, latency 0 Memory at fe800000 (64-bit, non-prefetchable) [size=1M] Capabilities: [d0] Power Management version 2 00: 86 80 23 2e 07 00 90 00 03 00 80 03 00 00 80 00 10: 04 00 80 fe 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 43 10 76 82 30: 00 00 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 Let me know if you have a patch you want me to test. Thanks, Arnd -- 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/