From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753448AbbCPJvl (ORCPT ); Mon, 16 Mar 2015 05:51:41 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:19586 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751753AbbCPJvj (ORCPT ); Mon, 16 Mar 2015 05:51:39 -0400 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 16 Mar 2015 02:49:16 -0700 Date: Mon, 16 Mar 2015 10:51:22 +0100 From: Thierry Reding To: Paul Bolle CC: Dave Airlie , , , Subject: Re: [git pull] drm fixes Message-ID: <20150316095121.GE30817@ulmo.nvidia.com> References: <1426246564.22063.11.camel@tiscali.nl> MIME-Version: 1.0 In-Reply-To: <1426246564.22063.11.camel@tiscali.nl> X-NVConfidentiality: public User-Agent: Mutt/1.5.23 (2014-03-12) X-Originating-IP: [10.2.68.46] X-ClientProxiedBy: UKMAIL101.nvidia.com (10.26.138.13) To UKMAIL101.nvidia.com (10.26.138.13) Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="W5WqUoFLvi1M7tJE" Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --W5WqUoFLvi1M7tJE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 13, 2015 at 12:36:04PM +0100, Paul Bolle wrote: > Dave Airlie schreef op vr 06-03-2015 om 21:52 [+0000]: > > Thierry Reding (1): > > drm/mm: Support 4 GiB and larger ranges >=20 > Yesterday the screen on my (outdated) ThinkPad X41 went, well, black > while it was busy compiling something unattended. I eventually had to > power cycle that laptop to regain control. I found a drm related BUG() > in the logs (pasted at the end of the message). >=20 > I only have three months worth of logs (a diagnoising session pushed > most of the logs into /dev/null a few weeks ago). But this is the only > time I saw that BUG in that period. Now that commit is the last thing > touching that code, and the various unsigned long to u64 conversions > _might_ just have gone wrong for 32 bits. I didn't spot anything utterly > obvious in that commit, but point a finger at it just in case. There should be a patch in v4.0-rc4 (046d669c62f3 "drm/mm: Fix support 4 GiB and larger ranges") that presumably fixes this. Does it work for you as well? Thierry --W5WqUoFLvi1M7tJE Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJVBqeZAAoJEN0jrNd/PrOh67EP/0IwizF0+TiEJ8whIzDk18Ll 4aRiX4XxEfpo2+kuJNYko8nxdGhKqoEu8BwQLXzFUw1+boGBWDYmuqSIpu3pSBsH zCjxDhRw3LbCpVtRqLZBg1Wu9Q35b88eFDMtfsUPq6yPqcLc01dPemlmsNRa1ZCr wYJUSUSnP+CXKwQMMY8foFTembppv0KKFMWOHOL2ivqg3NDoLEOdiRxXV/uv+Sb8 vtMy525pez+e35NTnVrQzlrkpqnluiWL2s6biqazjBvo5J9kaxb4GPIefQG1mcPZ pT6FoNnKCmHd1H+BA+sZdhEsXad1LpfVyMKTBT+JOqxSw8z7V4BX3adK6VWNo/6g MkhE+YK7xOrxr61l7MjF85qjvhUljlv86kKgWcNxa8yqwSiaTCWbkmjp6I9HziG5 HLUJa7+gTvM0fWAfFpwNUuN9RbILRh1wgsnBhVI2m97V5PQJzI0cyzXmzkHVw/BU gA21JPK+cMekiErIfDchiRg7/ZXKtjPaFa7kic1+kQQocyG92/slU4Ycrb6VAY8D JSujEIj77xgD00kf/ep4lq9N3gTQCCG0QVZHcfY3toEX4fjvSBmJd3ec7GQzqEtg DC4oIZ0WuZbX3YOQUeTeGqx52Ba7vQKyP/uHaveRyG58FiKObf28MouTbkaGJHGp efxy6F+Br+cWHWr779uU =Qfbi -----END PGP SIGNATURE----- --W5WqUoFLvi1M7tJE-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [git pull] drm fixes Date: Mon, 16 Mar 2015 10:51:22 +0100 Message-ID: <20150316095121.GE30817@ulmo.nvidia.com> References: <1426246564.22063.11.camel@tiscali.nl> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="W5WqUoFLvi1M7tJE" Return-path: In-Reply-To: <1426246564.22063.11.camel@tiscali.nl> Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Paul Bolle Cc: Dave Airlie , torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --W5WqUoFLvi1M7tJE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 13, 2015 at 12:36:04PM +0100, Paul Bolle wrote: > Dave Airlie schreef op vr 06-03-2015 om 21:52 [+0000]: > > Thierry Reding (1): > > drm/mm: Support 4 GiB and larger ranges >=20 > Yesterday the screen on my (outdated) ThinkPad X41 went, well, black > while it was busy compiling something unattended. I eventually had to > power cycle that laptop to regain control. I found a drm related BUG() > in the logs (pasted at the end of the message). >=20 > I only have three months worth of logs (a diagnoising session pushed > most of the logs into /dev/null a few weeks ago). But this is the only > time I saw that BUG in that period. Now that commit is the last thing > touching that code, and the various unsigned long to u64 conversions > _might_ just have gone wrong for 32 bits. I didn't spot anything utterly > obvious in that commit, but point a finger at it just in case. There should be a patch in v4.0-rc4 (046d669c62f3 "drm/mm: Fix support 4 GiB and larger ranges") that presumably fixes this. Does it work for you as well? Thierry --W5WqUoFLvi1M7tJE Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJVBqeZAAoJEN0jrNd/PrOh67EP/0IwizF0+TiEJ8whIzDk18Ll 4aRiX4XxEfpo2+kuJNYko8nxdGhKqoEu8BwQLXzFUw1+boGBWDYmuqSIpu3pSBsH zCjxDhRw3LbCpVtRqLZBg1Wu9Q35b88eFDMtfsUPq6yPqcLc01dPemlmsNRa1ZCr wYJUSUSnP+CXKwQMMY8foFTembppv0KKFMWOHOL2ivqg3NDoLEOdiRxXV/uv+Sb8 vtMy525pez+e35NTnVrQzlrkpqnluiWL2s6biqazjBvo5J9kaxb4GPIefQG1mcPZ pT6FoNnKCmHd1H+BA+sZdhEsXad1LpfVyMKTBT+JOqxSw8z7V4BX3adK6VWNo/6g MkhE+YK7xOrxr61l7MjF85qjvhUljlv86kKgWcNxa8yqwSiaTCWbkmjp6I9HziG5 HLUJa7+gTvM0fWAfFpwNUuN9RbILRh1wgsnBhVI2m97V5PQJzI0cyzXmzkHVw/BU gA21JPK+cMekiErIfDchiRg7/ZXKtjPaFa7kic1+kQQocyG92/slU4Ycrb6VAY8D JSujEIj77xgD00kf/ep4lq9N3gTQCCG0QVZHcfY3toEX4fjvSBmJd3ec7GQzqEtg DC4oIZ0WuZbX3YOQUeTeGqx52Ba7vQKyP/uHaveRyG58FiKObf28MouTbkaGJHGp efxy6F+Br+cWHWr779uU =Qfbi -----END PGP SIGNATURE----- --W5WqUoFLvi1M7tJE--