From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759021Ab2IERIq (ORCPT ); Wed, 5 Sep 2012 13:08:46 -0400 Received: from cantor2.suse.de ([195.135.220.15]:53843 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758976Ab2IERIp (ORCPT ); Wed, 5 Sep 2012 13:08:45 -0400 Date: Wed, 05 Sep 2012 19:08:42 +0200 Message-ID: From: Takashi Iwai To: Lucas De Marchi Cc: Greg Kroah-Hartman , Ming Lei , "Rafael J. Wysocki" , Kay Sievers , linux-kernel@vger.kernel.org Subject: Re: A workaround for request_firmware() stuck in module_init In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.1 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Wed, 5 Sep 2012 13:51:27 -0300, Lucas De Marchi wrote: > > On Tue, Sep 4, 2012 at 10:06 AM, Takashi Iwai wrote: > > Hi, > > > > as I've got recently a few bug reports regarding the stuck with > > request_firmware() in module_init of some sound drivers, I started > > looking at the issue. Strangely, the problem doesn't happen on > > openSUSE 12.2 although it has the same udev version with libkmod as > > Fedora. So I installed Fedora 17, and indeed I could see a problem > > there. > > I fail to see how this is related to libkmod. It's indeed related to > the fact that udev now timeout a modprobe request so people stop doing > crazy things and like start daemons as modprobe's install rules. And > that's true even with old module-init-tools. Hm, OK, then it must be my misinterpretation. Takashi