Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755357Ab1DALvo (ORCPT ); Fri, 1 Apr 2011 07:51:44 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:55571 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753549Ab1DALvn (ORCPT ); Fri, 1 Apr 2011 07:51:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=d1B//8bo6TpvCAoBCJspUBs+El9zhgAuwIr1Frkg0GAAuqPn8+XLezyKmpzenrKcT2 cbvBTui/zmdyfFnkdaN+e4H3o7UTXWug6T9y/1nVZBBjMrgzhsedofKk86RCOP1GfRtF PBMUpt/awfCqlN+Ga6FCODqa+KHlegDhzlkF0= MIME-Version: 1.0 In-Reply-To: <20110401114429.GA3526@viiv.ffwll.ch> References: <1301395589-8121-1-git-send-email-chris@chris-wilson.co.uk> <20110401114429.GA3526@viiv.ffwll.ch> Date: Fri, 1 Apr 2011 14:51:42 +0300 X-Google-Sender-Auth: J1RSWjlcCo4frwVf0NmMd9Wr5wE Message-ID: Subject: Re: [Intel-gfx] [PATCH] drm/i915: Disable all outputs early, before KMS takeover From: Pekka Enberg To: Chris Wilson , intel-gfx@lists.freedesktop.org, Pekka Enberg , linux-kernel@vger.kernel.org Cc: Daniel Vetter Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 22 On Fri, Apr 1, 2011 at 2:44 PM, Daniel Vetter wrote: > On Tue, Mar 29, 2011 at 11:46:29AM +0100, Chris Wilson wrote: >> If the outputs are active and continuing to access the GATT when we >> teardown the PTEs, then there is a potential for us to hang the GPU. >> The hang tends to be a PGTBL_ER with either an invalid host access or >> an invalid display plane fetch. > > This patch seems to fix resume flakiness (that recently developed > complete reliability in hanging the gpu) on my i855gm. Captured > error_states look as described here. Latest -staging merged into latest > -linus is now again fully reliable at s/r. > > Tested-by: Daniel Vetter Unfortunately I get a blank screen with after boot: Nacked-by: Pekka Enberg -- 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/