From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261752AbVGaGlw (ORCPT ); Sun, 31 Jul 2005 02:41:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261742AbVGaGjg (ORCPT ); Sun, 31 Jul 2005 02:39:36 -0400 Received: from mail.kroah.org ([69.55.234.183]:61352 "EHLO perch.kroah.org") by vger.kernel.org with ESMTP id S261752AbVGaGik (ORCPT ); Sun, 31 Jul 2005 02:38:40 -0400 Date: Sat, 30 Jul 2005 23:38:19 -0700 From: Greg KH To: "Francisco Figueiredo Jr." Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: "seeing minute plus hangs during boot" - 2.6.12 and 2.6.13 Message-ID: <20050731063819.GA28899@kroah.com> References: <42E59E0E.5030306@yahoo.com.br> <20050726003322.1bfe17ee.akpm@osdl.org> <42E7A153.6060307@yahoo.com.br> <20050727105005.30768fe3.akpm@osdl.org> <42E85E6E.2020105@yahoo.com.br> <42EC5451.7010907@yahoo.com.br> <20050730222624.73337021.akpm@osdl.org> <42EC6BAB.5020106@yahoo.com.br> <20050730224437.4088ba70.akpm@osdl.org> <42EC73B2.8020400@yahoo.com.br> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42EC73B2.8020400@yahoo.com.br> User-Agent: Mutt/1.5.8i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 31, 2005 at 03:46:10AM -0300, Francisco Figueiredo Jr. wrote: > Andrew Morton wrote: > > "Francisco Figueiredo Jr." wrote: > > > >>-----BEGIN PGP SIGNED MESSAGE----- > >>Hash: SHA1 > >> > >>Andrew Morton wrote: > >> > >>>"Francisco Figueiredo Jr." wrote: > >>> > >>> > >>>>udev S 00000002 0 1312 1 1224 (NOTLB) > >>>>c1653f4c 00000082 c1653f3c 00000002 00000001 00000040 c1653f64 c1653f0c > >>>> c016611b bfec96a8 c1653f0c 00000040 00000000 00000361 000241ed > >>>>c13fb520 > >>>> 00000001 00001a7e 98f9769f 00000002 c146e520 df5da020 df5da148 > >>>>c13fbf60 > >>>>Call Trace: > >>>> [] cp_new_stat+0x15f/0x17a > >>>> [] schedule_timeout+0x54/0xa2 > >>>> [] process_timeout+0x0/0x9 > >>>> [] sys_nanosleep+0xdd/0x18e > >>>> [] syscall_call+0x7/0xb > >>> > >>> > >>>Well there's your delay: you've started running userspace and udev is > >>>running. Yes, it takes a long time. > >>> > >>>What makes you think this isn't normal behaviour? Do other kernels behave > >>>differently with the same userspace setup? > >>> > >> > >> > >>That's the point. On kernel 2.6.11 on same box I have no delay. It is > >>instantaneous. On 2.6.12-rc1 it was instantaneous but I didn't use it > >>much because I had drm problems. Later I tried 2.6.12 final and it was > >>hanging. I saw the "seeing a minute plugs hangs" on 2.6.13-rc1 release > >>notes and thought this could be the problem, but I compiled it and tried > >>with no luck :( > >> > >>Now, I'm thinking it could be something like the udev hang which > >>disapeared with udev update to 058. > >> > >>I don't know what can be happening. I think it is because of some type > >>of timeout. > >> > >>If you think there is something else I can do, please let me know. > >> > > > > > > Greg said in another thread: "older versions of udev (< 058) can work > > _really slow_ with 2.6.12. Please upgrade your version of udev and see if > > that solves the issue or not.". > > > > What version are you running? Looks like 058, yes? > > > Yeap. It is 058. Hm, odd. Well, as this is a udev issue, care to try 064? We've fixed a lot of little bugs since 058 that might have caused this. thanks, greg k-h