From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751433Ab1H0JAz (ORCPT ); Sat, 27 Aug 2011 05:00:55 -0400 Received: from darkcity.gna.ch ([195.226.6.51]:46394 "EHLO mail.gna.ch" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751149Ab1H0JAy convert rfc822-to-8bit (ORCPT ); Sat, 27 Aug 2011 05:00:54 -0400 Subject: Re: Kernel almost hangs when CONFIG_DRM_RADEON=y From: Michel =?ISO-8859-1?Q?D=E4nzer?= To: Pavel Ivanov Cc: dri-devel@lists.freedesktop.org, linux-kernel Date: Sat, 27 Aug 2011 11:00:38 +0200 In-Reply-To: References: Face: 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 jycPrvgA R1goSzOnkp14YCYHsp7QJHAS5QcXDqG1jBxdSITVgBNkBTFloj88Q/gMkFcuItYiQPUCBGc2xh5drsD/wGZrgsgDOE4ZAAAAABJRU5ErkJggg== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Mailer: Evolution 3.0.0 Message-ID: <1314435638.2321.12.camel@thor.local> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sam, 2011-08-27 at 00:20 -0400, Pavel Ivanov wrote: > > I observe very strange behavior dependent on value of > CONFIG_DRM_RADEON parameter. When it's set to m everything works very > good, no problem. When I set it to y I see kernel hang during boot. Or > I should better say it "almost hangs" because during last boot attempt > I accidentally waited a little bit longer and saw that after more than > a minute waiting system continued to boot. Dmesg after "hang" shows > these messages: > > [ 8.542639] [drm] Loading CEDAR Microcode > [ 69.161605] r600_cp: Failed to load firmware "radeon/CEDAR_pfp.bin" > [ 69.161670] [drm:evergreen_startup] *ERROR* Failed to load firmware! > > While during normal boot > > [ 9.898870] [drm] Loading CEDAR Microcode > [ 9.908425] radeon 0000:05:00.0: WB enabled With CONFIG_DRM_RADEON=y, the microcode is needed before it can be loaded from userspace, so it needs to be built into the kernel as well. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer