From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757577Ab2JDVKF (ORCPT ); Thu, 4 Oct 2012 17:10:05 -0400 Received: from frost.carfax.org.uk ([85.119.82.111]:51927 "EHLO frost.carfax.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753328Ab2JDVKD (ORCPT ); Thu, 4 Oct 2012 17:10:03 -0400 Date: Thu, 4 Oct 2012 22:09:59 +0100 From: Hugo Mills To: Hugo Mills , linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: Re: i915 problems with suspend to disk Message-ID: <20121004210959.GJ25498@carfax.org.uk> Mail-Followup-To: Hugo Mills , linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org References: <20121004192017.GI25498@carfax.org.uk> <20121004193139.GJ5661@phenom.ffwll.local> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W/D3X8sky0X3AmG5" Content-Disposition: inline In-Reply-To: <20121004193139.GJ5661@phenom.ffwll.local> X-GPG-Fingerprint: 8C59 86C7 81F3 93FE BB02 DDB1 20AC B3BE 515C 238D X-GPG-Key: 515C238D X-Parrot: It is no more. It has joined the choir invisible. X-IRC-Nicks: darksatanic darkersatanic darkling darkthing User-Agent: Mutt/1.5.21 (2010-09-15) X-frost.carfax.org.uk-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --W/D3X8sky0X3AmG5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Oct 04, 2012 at 09:31:39PM +0200, Daniel Vetter wrote: > On Thu, Oct 04, 2012 at 08:20:17PM +0100, Hugo Mills wrote: > > On 3.6, I've got a problem with my video driver after resuming from > > suspend-to-disk: the lower part of the display flickers, rapidly but > > irregularly (think of a neon sign in a bad film noir), flicking > > between the correct display and... something else, it's hard to see > > what. > > > > Shutting the lid of the machine (to trigger a suspend-to-ram) and > > waking it up again fixes the flicker. > > > > In syslogs, I have nothing obvious on suspend, and this warning on > > resume: [snip] > > Hardware is a Lenovo Thinkpad Edge13, lspci says: > > > > 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) > > > > aka > > > > 00:02.0 0300: 8086:2a42 (rev 07) > > > > Let me know if you need more information. I can probably manage a > > bisect if necessary -- it's easily repeatable as a bug. > > Before you do a bisect, can you try the drm-intel-fixes branch from > http://cgit.freedesktop.org/~danvet/drm-intel or a bit more risky, latest > upstream git? That contains a completely rewritten modeset code, which > might fix this already. To fix the breakage on 3.6 I guess we need a > bisect - at least I don't have any idea off-hand what could have gone > wrong here. Thank you for the quick response. The drm-intel-fixes branch seems to have done the trick. No more flickering. I think we can call this one fixed. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- I always felt that as a C programmer, I --- was becoming typecast. --W/D3X8sky0X3AmG5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUBUG37J79z9OVl50rAAQKq0RAAj/o9mB+mV/2MjyQe+XX/+ws1zh/G2gMM Pth8pXZTE5tlpoL95HHcRsyOLyzN8hGCdLeTSNaGlZmbflIBBV3CXBN3XLi5ytGs cLTLruT8Yt6/S4SdWDMxNUlVxEmu6DFILCQpiPI8ZwpIZ/LOflvlki1eiP3pB4wy Bk1rMsCnbE9IuOb4PFFaiKEVsQ4GgZqcEfUSo+msel3+JhlKzsTU90WmRDSuAn5Z mUB23zyWjQEDNCC2ovmtG+CZ1pOODh4Iw/Ixv4fp028p+MSbmyKLQlqmLL5o1mHZ AelaInL5BUcAJWbCo8hnBJiYlzK9J3mH4MAeqrsKf1k8pXgjAoOb21jRwqUDGyev Lcc253ALTqxdTd+CkRGwdZwGU7cao6Aoc7b0qGa03Ygs7G2rnGwthpYevVNfjmfL oZbbhzVU8pkUyjcLcIg2KPAKLbheheKQ4kt6DWlpLweZnZB21yoxTI9soND3x27F GbbDquY5LfmhdPfXS4togwH4BqQczb840277YRpi0T/AtjDOL4TlNsSzeiP/yDuF 4prlfR5IzHbar/EwLOpklchnucag4yiKkfBXNPQwV1WkV2cCUMKio8oukzldzpFP l9xqpjz+qzjugl1dVdJVb95Erc2zEdMDVHzC6L+15ZvfgBCA52zMs3dny/6EKX5g 6owA9eCLaD0= =OPa1 -----END PGP SIGNATURE----- --W/D3X8sky0X3AmG5--