Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753894AbaDDXP3 (ORCPT ); Fri, 4 Apr 2014 19:15:29 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:44724 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753821AbaDDXPZ (ORCPT ); Fri, 4 Apr 2014 19:15:25 -0400 Date: Fri, 4 Apr 2014 16:17:49 -0700 From: Greg Kroah-Hartman To: John Stoffel Cc: Linus Torvalds , Andy Lutomirski , "Theodore Ts'o" , Joerg Roedel , Jiri Kosina , Andrew Morton , Mateusz Guzik , Steven Rostedt , LKML , Thomas Gleixner , "H. Peter Anvin" , Borislav Petkov , Ingo Molnar , Mel Gorman , Kay Sievers Subject: Re: [RFC PATCH] cmdline: Hide "debug" from /proc/cmdline Message-ID: <20140404231749.GA20437@kroah.com> References: <20140402162839.d3c00e9845e89d0f092c2ce3@linux-foundation.org> <20140403104308.GP13491@8bytes.org> <20140403170541.GA19010@thunk.org> <533EF832.1030902@mit.edu> <21311.8533.138063.744673@quad.stoffel.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <21311.8533.138063.744673@quad.stoffel.home> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 04, 2014 at 05:17:09PM -0400, John Stoffel wrote: > >>>>> "Linus" == Linus Torvalds writes: > > Linus> On Fri, Apr 4, 2014 at 11:21 AM, Andy Lutomirski wrote: > >> > >> The other thing I've used /dev/kmsg for is to shove a "I'm starting > >> something now" message in. This is only really necessary because the > >> current kernel log timestamps are unusable crap. (We could fix that, > >> hint hint.) > > Linus> I'd actually love to fix that, but I disagree with the "we could fix > Linus> it". There are tons of people who know how to parse them (admittedly > Linus> often only to ignore them), so changing the format is not likely to > Linus> work. > > Linus> The good news is that "dmesg -H" does help if you're > Linus> human. While at the same time being an example of that very > Linus> "there are tools that know about the current horrid format" > Linus> issue.. D'oh. > > I think you mean "dmesg -T", and unfortunately it seems Debian 6.0.9 > (or older) doesn ship a new enough linux-util since I've only got > 2.17.2-9 install. No, 'dmesg -H' is the right thing, you just need a modern version of util-linux :) > And RHEL/Centos 5.6 and 6.5 don't seem to ship that by default either, > they have got util-linux-2.13-0.56.el5 and > util-linux-ng-2.17.2-12.14.el6.x86_64 respectively. Blech! It's in > Linux Mint 16 at least, haven't checked older versions. util-linux is on version 2.24.1 at the moment: https://www.kernel.org/pub/linux/utils/util-linux/v2.24/ 2.17.2 was from back in 2012, I think it's time to switch to a modern distro... 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/