Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760677Ab2BNOiR (ORCPT ); Tue, 14 Feb 2012 09:38:17 -0500 Received: from mail-gy0-f174.google.com ([209.85.160.174]:60115 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751337Ab2BNOiO (ORCPT ); Tue, 14 Feb 2012 09:38:14 -0500 MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 14 Feb 2012 09:38:13 -0500 Message-ID: Subject: Re: drm/radeon: white screen after X does modeswitch from KMS con From: Alex Deucher To: Jan Engelhardt Cc: Alex Deucher , Dave Airlie , Linux Kernel Mailing List , dri-devel@lists.freedesktop.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1050 Lines: 29 On Mon, Feb 13, 2012 at 9:29 PM, Jan Engelhardt wrote: > Hello, > > > the SONY PCG U3 device has a > > 00:0c.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon > Mobility M6 LY [1002:4c59] > > graphics card. With linux 3.1.10, X.org server 7.6_1.10.4 and > xf86-video-ati-6.14.2, switching from KMS'd console to X on tty7 > yields a white screen that also stays when attempting to back to > tty1. > > I have to boot with nomodeset to get a usable Xorg picture. > Is it just that radeon_drv does not work together with KMS? It should work fine. Does it work any better with a newer kernel? Is this a regression? If so, what was the last kernel that was working properly? Please file a bug: https://bugs.freedesktop.org and attach your xorg log and dmesg output. Alex -- 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/