From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Jongepier Subject: Regression nouveau driver on 2.6.33.7.2-rt30 Date: Mon, 07 Mar 2011 13:39:40 +0100 Message-ID: <4D74D20C.9060800@autostatic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: linux-rt-users@vger.kernel.org Return-path: Received: from pony.ic.uva.nl ([145.18.40.181]:49907 "EHLO pony.ic.uva.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753962Ab1CGNIe (ORCPT ); Mon, 7 Mar 2011 08:08:34 -0500 Received: from [146.50.80.232] (pch080232.hum.uva.nl [146.50.80.232]) by pony.ic.uva.nl (8.13.1/8.13.1) with ESMTP id p27CdebP015713 for ; Mon, 7 Mar 2011 13:39:40 +0100 Sender: linux-rt-users-owner@vger.kernel.org List-ID: Dear list, With 2.6.33.7.2-rt29 I could use my dual screen set-up fine with nouveau to span my desktop over the two screens but 2.6.33.7.2-rt30 only allows me to mirror screens. xrandr only recognizes one screen also. lspci | grep -i vga 01:00.0 VGA compatible controller: nVidia Corporation G86 [Quadro NVS 290] (rev a1) Monitors: 2x Dell ST2410 I use kernels from the Tango Studio project: http://tangostudio.tuxfamily.org/en And have talked about it with the maintainer of that repository/distro too and he actually found out about the regression and apparently he also found a fix (patched 2.6.33.7.2-rt30 kernel packages are being build and uploaded today so haven't tested those yet). I'm using Ubuntu 10.04 64bit. Similar issue described here with possible fix: http://forums.debian.net/viewtopic.php?f=6&t=59599 Best, Jeremy