Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932932AbXBVBFt (ORCPT ); Wed, 21 Feb 2007 20:05:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932846AbXBVBFs (ORCPT ); Wed, 21 Feb 2007 20:05:48 -0500 Received: from mail.kroah.org ([69.55.234.183]:54074 "EHLO perch.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932932AbXBVBFr (ORCPT ); Wed, 21 Feb 2007 20:05:47 -0500 Date: Wed, 21 Feb 2007 16:18:09 -0800 From: Greg KH To: OGAWA Hirofumi Cc: "YOSHIFUJI Hideaki / ?$B5HF#1QL@" , linux-kernel@vger.kernel.org, Kay Sievers Subject: Re: request_module: runaway loop modprobe net-pf-1 (is Re: Linux 2.6.21-rc1) Message-ID: <20070222001809.GB30444@kroah.com> References: <20070222.012356.27907445.yoshfuji@linux-ipv6.org> <87ps8372bf.fsf@duaron.myhome.or.jp> <20070221203652.GB17830@kroah.com> <87abz75hzs.fsf@duaron.myhome.or.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87abz75hzs.fsf@duaron.myhome.or.jp> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1776 Lines: 46 On Thu, Feb 22, 2007 at 06:16:23AM +0900, OGAWA Hirofumi wrote: > Greg KH writes: > > > On Thu, Feb 22, 2007 at 04:12:04AM +0900, OGAWA Hirofumi wrote: > >> YOSHIFUJI Hideaki / ?$B5HF#1QL@ writes: > >> > >> > In article (at Tue, 20 Feb 2007 20:53:45 -0800 (PST)), Linus Torvalds says: > >> > > >> >> But there's a ton of architecture updates (arm, mips, powerpc, x86, you > >> >> name it), ACPI updates, and lots of driver work. And just a lot of > >> >> cleanups. > >> > > >> > I cannot boot 2.6.21-rc1; it falls into OOM-Killer. > >> > > >> > Interesting error message I can see is: > >> > request_module: runaway loop modprobe net-pf-1 > >> > > >> > After bisecting, the commit > >> > Driver core: let request_module() send a /sys/modules/kmod/-uevent > >> > (id c353c3fb0700a3c17ea2b0237710a184232ccd7f) is to blame. > >> > > >> > Reverting it fixes the issue to me. > >> > >> /sbin/hotplug needs some module, but request_module() call /sbin/hotplug loop? > >> Hm.. does the patch fix the problem? > > > > How does it loop? > > E.g. something calls the request_modle(), and if hotplug is using > socket(PF_UNIX) and af_unix is module, it also calls request_modle()? > > Just my guess though... Ugh, why does anyone make af_unix a module these days. I thought only Debian was that foolish... :) It will be interesting to see if this fixes the issue or not. thanks, greg k-h - 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/