Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755249AbaDVUOf (ORCPT ); Tue, 22 Apr 2014 16:14:35 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:61747 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751182AbaDVUOd (ORCPT ); Tue, 22 Apr 2014 16:14:33 -0400 Date: Tue, 22 Apr 2014 22:14:28 +0200 From: Daniel Vetter To: Alessandro Suardi Cc: intel-gfx@lists.freedesktop.org, LKML Subject: Re: [Intel-gfx] Fwd: 3.15-rc1: Endless "Disabling PPGTT because VT-d is on" messages in /var/log/messages Message-ID: <20140422201428.GJ10722@phenom.ffwll.local> Mail-Followup-To: Alessandro Suardi , intel-gfx@lists.freedesktop.org, LKML References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux phenom 3.14.0+ User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 18, 2014 at 06:29:45PM +0200, Alessandro Suardi wrote: > forwarding from my lkml post as probably more appropriate to send this here... Yup, but just adding more cc's is preferred. I've re-added lkml for reference. Bug is fairly obvious regression in 3.15, patch is on the way. -Daniel > > thanks, > > ---------- Forwarded message ---------- > From: Alessandro Suardi > Date: Fri, Apr 18, 2014 at 12:31 AM > Subject: 3.15-rc1: Endless "Disabling PPGTT because VT-d is on" > messages in /var/log/messages > To: "linux-kernel@vger.kernel.org" > > > [hoping I persuaded gmail to get my old text-only email settings back, grrr] > > > Noticed that my root fs was filling up, and found out that /var/log/messages was > approaching 2GB of space, most of which were as per $subject. To give an idea > of the magnitude, here's a snippet from a saved sample of /var/log/messages: > > [root@xbox log]# grep "Disabling PP" messages.save.head |head -1 > Apr 15 03:44:10 xbox kernel: [ 3.115126] [drm] Disabling PPGTT > because VT-d is on > [root@xbox log]# grep "Disabling PP" messages.save.head |tail -1 > Apr 15 03:45:50 xbox kernel: [ 130.165219] [drm] Disabling PPGTT > because VT-d is on > [root@xbox log]# grep -c "Disabling PP" messages.save.head > 610 > > Or from the dmesg ring: > > [root@xbox log]# dmesg|head > [22446.690572] [drm] Disabling PPGTT because VT-d is on > [22446.690616] [drm] Disabling PPGTT because VT-d is on > [22446.704560] [drm] Disabling PPGTT because VT-d is on > [22446.706747] [drm] Disabling PPGTT because VT-d is on > [22446.720202] [drm] Disabling PPGTT because VT-d is on > [22446.722447] [drm] Disabling PPGTT because VT-d is on > [22446.724850] [drm] Disabling PPGTT because VT-d is on > [22446.727268] [drm] Disabling PPGTT because VT-d is on > [22446.733052] [drm] Disabling PPGTT because VT-d is on > [22446.735319] [drm] Disabling PPGTT because VT-d is on > > > > Are there patches for this issue, or is a workaround available to prevent a > filesystem full condition on my root fs? > > > This is on a Dell Latitude E6420 laptop, Fedora 19 x86_64, onboard > Intel video card... yes, I have an old A08 BIOS, but I've never seen > this issue while regularly updating my mainline kernel weekly or so... > > > Available for more details if needed, thanks in advance, > > --alessandro > > "don't underestimate the things that I will do" > > (Adele, "Rolling In The Deep") > > > -- > --alessandro > > "don't underestimate the things that I will do" > > (Adele, "Rolling In The Deep") > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- 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/