Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967909Ab3DSJZ6 (ORCPT ); Fri, 19 Apr 2013 05:25:58 -0400 Received: from mga01.intel.com ([192.55.52.88]:42570 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757577Ab3DSJZ4 (ORCPT ); Fri, 19 Apr 2013 05:25:56 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,507,1363158000"; d="scan'208";a="324793356" Date: Fri, 19 Apr 2013 10:25:52 +0100 From: Chris Wilson To: Jiri Slaby Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, LKML Subject: Re: 3.9.0-rc7-next: i915: render error detected Message-ID: <20130419092552.GH24068@cantiga.alporthouse.com> Mail-Followup-To: Chris Wilson , Jiri Slaby , daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, LKML References: <51710B74.9020401@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51710B74.9020401@suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1016 Lines: 26 On Fri, Apr 19, 2013 at 11:16:36AM +0200, Jiri Slaby wrote: > Hi, with today's -next I got this: > > [drm] capturing error event; look for more information in > /sys/kernel/debug/dri/0/i915_error_state > i915: render error detected, EIR: 0x00000010 > i915: page table error > i915: PGTBL_ER: 0x00000002 > [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking > i915: render error detected, EIR: 0x00000010 > i915: page table error > i915: PGTBL_ER: 0x00000002 These feel like they are becoming more common, though we have had reports of this style of error since the dawn of time. The error means that the CPU accessed an invalid PTE - so the most likely a missing mb or chipset flush. -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/