Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760587AbYJIS7A (ORCPT ); Thu, 9 Oct 2008 14:59:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754428AbYJIS6u (ORCPT ); Thu, 9 Oct 2008 14:58:50 -0400 Received: from nf-out-0910.google.com ([64.233.182.187]:20018 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754894AbYJIS6t (ORCPT ); Thu, 9 Oct 2008 14:58:49 -0400 Message-ID: Date: Thu, 9 Oct 2008 20:58:44 +0200 From: "Kay Sievers" To: "Arkadiusz Miskiewicz" Subject: Re: loading ipmi_watchdog causes tons of other watchdog modules to be loaded Cc: linux-kernel@vger.kernel.org In-Reply-To: <200810091922.24108.a.miskiewicz@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200810091348.19828.a.miskiewicz@gmail.com> <200810091922.24108.a.miskiewicz@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1213 Lines: 33 On Thu, Oct 9, 2008 at 7:22 PM, Arkadiusz Miskiewicz wrote: > On Thursday 09 October 2008, Kay Sievers wrote: >> On Thu, Oct 9, 2008 at 1:48 PM, Arkadiusz Miskiewicz >> >> wrote: >> > No udev on the system. kernel 2.6.25.18-1. >> > >> > After loading ipmi_watchdog and doing "cat /dev/watchdog" tons of other, >> > useles, watchdog modules is loaded. Any idea what introduced such weird >> > behaviour? >> >> I guess the /proc/sys/kernel/modprobe, which lets the kernel fork a >> modprobe process when you touch a "dangling" device node, which does >> not have corresponding driver. > > ... but that ipmi_watchdog is the correct driver that handles /dev/watchdog, > so this shouldn't be happening, correct? While the driver you expect to work is loaded, what does: ls -l /dev/watchdog print? If the devno of this node is 10:130, what does: find /sys/class /sys/devices/ -name dev | xargs grep 10:130 print? Kay -- 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/