Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751210AbaDQUEc (ORCPT ); Thu, 17 Apr 2014 16:04:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45517 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750736AbaDQUEW (ORCPT ); Thu, 17 Apr 2014 16:04:22 -0400 Date: Thu, 17 Apr 2014 16:03:52 -0400 From: Dave Jones To: Borislav Petkov Cc: Bjorn Helgaas , "Rafael J. Wysocki" , "Zhang, Rui" , "Lu, Aaron" , lkml , "x86@kernel.org" , Linux PCI , ACPI Devel Maling List , Yinghai Lu , "H. Peter Anvin" , Stephane Eranian , "Yan, Zheng Z" , daniel.vetter@ffwll.ch Subject: Re: Info: mapping multiple BARs. Your kernel is fine. Message-ID: <20140417200352.GB18876@redhat.com> Mail-Followup-To: Dave Jones , Borislav Petkov , Bjorn Helgaas , "Rafael J. Wysocki" , "Zhang, Rui" , "Lu, Aaron" , lkml , "x86@kernel.org" , Linux PCI , ACPI Devel Maling List , Yinghai Lu , "H. Peter Anvin" , Stephane Eranian , "Yan, Zheng Z" , daniel.vetter@ffwll.ch References: <1558044.S1G2VU7srO@vostro.rjw.lan> <20140416190404.GA7070@pd.tnic> <20140416203138.GA17661@google.com> <20140416223122.GA2767@redhat.com> <20140416225600.GA23781@google.com> <20140417104533.GB8215@pd.tnic> <20140417182637.GA2098@google.com> <20140417195240.GA18876@redhat.com> <20140417200127.GH4321@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140417200127.GH4321@pd.tnic> 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 On Thu, Apr 17, 2014 at 10:01:27PM +0200, Borislav Petkov wrote: > On Thu, Apr 17, 2014 at 03:52:40PM -0400, Dave Jones wrote: > > Just as X starts up, I see this in dmesg.. > > > > [ 42.879049] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun > > FWIW, I have that too. It should be something i915-related: > > [ 0.617673] [drm] Memory usable by graphics device = 2048M > [ 0.694445] i915 0000:00:02.0: irq 42 for MSI/MSI-X > [ 0.694549] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > [ 0.694631] [drm] Driver supports precise vblank timestamp query. > [ 0.695313] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem > [ 0.788300] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 > [ 0.799829] fbcon: inteldrmfb (fb0) is primary device > [ 1.176845] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun Can you send me your .config off-list ? I wonder if this is something config specific that's causing me to see this, and you not, given we've apparently got similar machines. Dave -- 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/