From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751418AbWG3W3a (ORCPT ); Sun, 30 Jul 2006 18:29:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751426AbWG3W3a (ORCPT ); Sun, 30 Jul 2006 18:29:30 -0400 Received: from run.smurf.noris.de ([192.109.102.41]:37328 "EHLO smurf.noris.de") by vger.kernel.org with ESMTP id S1751418AbWG3W33 (ORCPT ); Sun, 30 Jul 2006 18:29:29 -0400 Date: Mon, 31 Jul 2006 00:28:49 +0200 To: Andi Kleen Cc: Andrew Morton , john stultz , linux-kernel@vger.kernel.org, torvalds@osdl.org, bunk@stusta.de, lethal@linux-sh.org, hirofumi@mail.parknet.co.jp, asit.k.mallick@intel.com Subject: Re: REGRESSION: the new i386 timer code fails to sync CPUs Message-ID: <20060730222849.GC3662@kiste.smurf.noris.de> References: <20060723120829.GA7776@kiste.smurf.noris.de> <20060723053755.0aaf9ce0.akpm@osdl.org> <1153756738.9440.14.camel@localhost> <20060724171711.GA3662@kiste.smurf.noris.de> <20060724175150.GD50320@muc.de> <1153774443.12836.6.camel@localhost> <20060730020346.5d301bb5.akpm@osdl.org> <20060730201005.GA85093@muc.de> <20060730211359.GZ3662@kiste.smurf.noris.de> <20060730215705.GA90965@muc.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060730215705.GA90965@muc.de> User-Agent: Mutt/1.5.11 From: Matthias Urlichs X-Smurf-Spam-Score: -2.6 (--) X-Smurf-Whitelist: +relay_from_hosts Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Andi Kleen: > > I'll postpone that until we have a working kernel fix, > > for obvious reasons. > > What are the obvious reasons? > - No endangering of customers' production machines without a compelling reason. - No stepping back, as I don't know which BIOS version is on the board (DMI says "6.0", but Tyan has 1.0x on their website; the release date doesn't match either). - I'd rather test a working workaround in the kernel before updating; if I have the problem, others have it too, and gettng Linux to boot in that situation isn't exactly trivial -- the fact that you need a clock= parameter when udevsend hangs is kindof non-obvious. - ... and the not-quite-obvious reason: Tyan specifies that I *need* a Win95 or Win98 boot floppy to do that. While I don't really believe them, I still don't have one of those handy ... which brings me back to the first item in this list. -- Matthias Urlichs | {M:U} IT Design @ m-u-it.de | smurf@smurf.noris.de Disclaimer: The quote was selected randomly. Really. | http://smurf.noris.de - - "Seems I can't get me 'ead down these days without rescuin' people or foilin' robbers or sunnink." -- It's a wonder dog's life (Terry Pratchett, Moving Pictures)