From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751887Ab1H0WvK (ORCPT ); Sat, 27 Aug 2011 18:51:10 -0400 Received: from mail-ew0-f46.google.com ([209.85.215.46]:43282 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751820Ab1H0WvI convert rfc822-to-8bit (ORCPT ); Sat, 27 Aug 2011 18:51:08 -0400 MIME-Version: 1.0 In-Reply-To: <1314435638.2321.12.camel@thor.local> References: <1314435638.2321.12.camel@thor.local> From: Pavel Ivanov Date: Sat, 27 Aug 2011 18:50:37 -0400 Message-ID: Subject: Re: Kernel almost hangs when CONFIG_DRM_RADEON=y To: =?ISO-8859-1?Q?Michel_D=E4nzer?= Cc: dri-devel@lists.freedesktop.org, linux-kernel Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2011/8/27 Michel Dänzer : >> 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. How should I do that? I've tried to set all "m"s to "y" in .config and still saw this issue. Should I set some special parameter? Pavel