From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762361AbXGFBup (ORCPT ); Thu, 5 Jul 2007 21:50:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759666AbXGFBug (ORCPT ); Thu, 5 Jul 2007 21:50:36 -0400 Received: from moutng.kundenserver.de ([212.227.126.188]:56123 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759597AbXGFBug (ORCPT ); Thu, 5 Jul 2007 21:50:36 -0400 From: Bodo Eggert <7eggert@gmx.de> Subject: Re: slow down printk during boot. To: Dave Jones , Linux Kernel , Randy Dunlap Reply-To: 7eggert@gmx.de Date: Fri, 06 Jul 2007 03:50:11 +0200 References: <8DGUc-ER-37@gated-at.bofh.it> User-Agent: KNode/0.7.2 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8Bit Message-Id: X-be10.7eggert.dyndns.org-MailScanner-Information: See www.mailscanner.info for information X-be10.7eggert.dyndns.org-MailScanner: Found to be clean X-be10.7eggert.dyndns.org-MailScanner-From: 7eggert@gmx.de X-Provags-ID: V01U2FsdGVkX1+dmgco6Fh7zcBfivvByuqp983pyJQahfoaA/X exT6Lg+ZqjK8gu9PcqI0xfeCmIaSDBEiurnQYPAh8IpQl5V++P 75kZK3WbPLyGrycqquvpw== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dave Jones wrote: > This patch from Randy has proven quite useful from time to time, > and has been in Fedora kernels for a while for that reason. > I fixed up some checkpatch warnings, and rediffed it a bunch > of times, Randy did the heavy lifting. > > --- > > This one delays each printk() during boot by a variable time > (from kernel command line), while system_state == SYSTEM_BOOTING. > Caveat: it's not terribly SMP safe or SMP nice. > Any ideas for improvements (esp. in the SMP area) are appreciated. I just created a different patch, which replaces the panic with one that does allow scrolling and reading the messages. Maybe that would be the better approach ... The patch was sent in: Subject: [RFC][PATCH] introduce panic_gently Message-ID: Pine.LNX.4.58.0707060034330.18989@be1.lrz news:8DICF-3CV-47@gated-at.bofh.it -- Justify my text? I'm sorry but it has no excuse. Friß, Spammer: ij@drZsf.7eggert.dyndns.org 6.h@lFus97h.7eggert.dyndns.org 9yTtaaH5@sLxhc.7eggert.dyndns.org dy3pwcw@rfhqOp7i.7eggert.dyndns.org