Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758024Ab2JXIVl (ORCPT ); Wed, 24 Oct 2012 04:21:41 -0400 Received: from mga01.intel.com ([192.55.52.88]:22223 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755607Ab2JXIVi (ORCPT ); Wed, 24 Oct 2012 04:21:38 -0400 Message-Id: X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,639,1344236400"; d="scan'208";a="237492283" From: Chris Wilson Subject: Re: drm i915 hangs on heavy io load To: Norbert Preining , Dave Airlie Cc: linux-kernel@vger.kernel.org, Daniel Vetter , dri-devel@lists.freedesktop.org In-Reply-To: <20121024003659.GA30962@gamma.logic.tuwien.ac.at> References: <20121023053830.GA30776@gamma.logic.tuwien.ac.at> <6c3329$6sai31@orsmga002.jf.intel.com> <20121023053830.GA30776@gamma.logic.tuwien.ac.at> <20121024003659.GA30962@gamma.logic.tuwien.ac.at> Date: Wed, 24 Oct 2012 09:11:03 +0100 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2085 Lines: 46 On Wed, 24 Oct 2012 09:36:59 +0900, Norbert Preining wrote: > Hi Dave, hi Chris, > > thanks for your answers. > > On Di, 23 Okt 2012, Dave Airlie wrote: > > Does booting with i915.i915_enable_rc6=0 help? > > No,booted with that, it happened again on a completely idle > system (well, I believe completely idle, I was doing the > dishes ;-) > > [12437.995026] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [12437.995034] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state > [12438.000213] [drm:init_ring_common] *ERROR* failed to set render ring head to zero ctl 00000000 head 5ee06f14 tail 00000000 start 00003000 > [12438.054894] [drm:init_ring_common] *ERROR* render ring initialization failed ctl 0001f001 head 5ee06f14 tail 00000000 start 00003000 > [12439.583064] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [12439.583176] [drm:i915_reset] *ERROR* GPU hanging too fast, declaring wedged! > [12439.583182] [drm:i915_reset] *ERROR* Failed to reset chip. > > New output see here: > http://www.logic.at/people/preining/i915_error_state.gz That has a very similar look to it, so reasonable to assume that is the same issue. > > http://cgit.freedesktop.org/~danvet/drm/commit/?h=ilk-wa-pile&id=0d5fed2de763b49bb1a90140758153481f043757 > > is the missing ingredient. > > I am compiling a kernel with this patch based on current git now. > Should I still use the above kernel cmd argument (i915...rc6=0) > or try without it? Without any rc6 parameter would be best. But if rc6=0 wasn't the solution for you, then I may have identified the wrong w/a. Can I ask you try the patches in that branch until you find one (or more perhaps) that stabilise your system? -Chris -- Chris Wilson, Intel Open Source Technology Centre -- 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/