Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965331AbWIVXDs (ORCPT ); Fri, 22 Sep 2006 19:03:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965334AbWIVXDs (ORCPT ); Fri, 22 Sep 2006 19:03:48 -0400 Received: from smtp.osdl.org ([65.172.181.4]:52385 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S965331AbWIVXDr (ORCPT ); Fri, 22 Sep 2006 19:03:47 -0400 Date: Fri, 22 Sep 2006 16:02:55 -0700 From: Andrew Morton To: Olaf Hering Cc: Michael Hanselmann , linux-kernel@vger.kernel.org, linux-fbdev-devel@lists.sourceforge.net, "Antonino A. Daplas" , Daniel R Thompson , Jon Smirl Subject: Re: backlight: oops in __mutex_lock_slowpath during head /sys/class/graphics/fb0/* in 2.6.18 Message-Id: <20060922160255.b97f2887.akpm@osdl.org> In-Reply-To: <20060922112622.GA26724@aepfle.de> References: <20060921121952.GA16927@aepfle.de> <20060921123742.ec225cc2.akpm@osdl.org> <20060921215620.GA9518@hansmi.ch> <20060922112622.GA26724@aepfle.de> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1559 Lines: 60 On Fri, 22 Sep 2006 13:26:22 +0200 Olaf Hering wrote: > On Thu, Sep 21, Michael Hanselmann wrote: > > > What about the patch below? Does it work for you? > > Appears to work. > > tangerine:~ # head /sys/class/graphics/fb0/* > ==> /sys/class/graphics/fb0/bits_per_pixel <== > 8 > > ==> /sys/class/graphics/fb0/bl_curve <== > head: error reading `/sys/class/graphics/fb0/bl_curve': No such device > > ==> /sys/class/graphics/fb0/blank <== > > ==> /sys/class/graphics/fb0/console <== > > ==> /sys/class/graphics/fb0/cursor <== > > ==> /sys/class/graphics/fb0/dev <== > 29:0 > > ==> /sys/class/graphics/fb0/mode <== > > ==> /sys/class/graphics/fb0/modes <== > U:832x624p-74 > > ==> /sys/class/graphics/fb0/name <== > valkyrie > > ==> /sys/class/graphics/fb0/pan <== > 0,0 > > ==> /sys/class/graphics/fb0/rotate <== > 0 > > ==> /sys/class/graphics/fb0/state <== > 0 > > ==> /sys/class/graphics/fb0/stride <== > 832 > > ==> /sys/class/graphics/fb0/subsystem <== > head: error reading `/sys/class/graphics/fb0/subsystem': Is a directory > head: cannot open `/sys/class/graphics/fb0/uevent' for reading: Permission denied > > ==> /sys/class/graphics/fb0/virtual_size <== > 832,624 Still looks like a bit of a mess, but I assume that's expected. Michael, I take it that patch was final? - 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/