From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 26 Oct 2002 12:13:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 26 Oct 2002 12:13:43 -0400 Received: from gateway-1237.mvista.com ([12.44.186.158]:11003 "EHLO av.mvista.com") by vger.kernel.org with ESMTP id ; Sat, 26 Oct 2002 12:13:42 -0400 Message-ID: <3DBAC08B.780FEA05@mvista.com> Date: Sat, 26 Oct 2002 09:19:23 -0700 From: george anzinger Organization: Monta Vista Software X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.2.12-20b i686) X-Accept-Language: en MIME-Version: 1.0 To: Pavel Machek , Linus Torvalds , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 2/2] High-res-timers part 2 (x86 platform code) take 6 References: <3DAFB303.4543C579@mvista.com> <20021023093815.GB3416@elf.ucw.cz> <3DBAB90F.CEF29920@mvista.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org george anzinger wrote: > > Pavel Machek wrote: > > > > Hi! > > > > > This patch, in conjunction with the "core" high-res-timers > > > patch implements high resolution timers on the i386 > > > platforms. The high-res-timers use the periodic interrupt > > > to "remind" the system to look at the clock. The clock > > > > This scares me: > > > > +#define fail_message \ > > +"High-res-timers: > > >-<--><-->-<-->-<-->-<--><-->-<-->-<-->-<-->-<-->-<-->-<-->-<\n"\ > > +"High-res-timers: >Failed to find the ACPI pm timer > > <\n"\ > > +"High-res-timers: >-<--><-->-<-->-<-->-<-->Boot will fail in > > Calibrate Delay <\n"\ > > +"High-res-timers: >Supply a valid default pm timer address > > <\n"\ > > +"High-res-timers: >or get your BIOS to turn on ACPI support. > > <\n"\ > > +"High-res-timers: >See CONFIGURE help for more information. > > <\n"\ > > +"High-res-timers: > > >-<--><-->-<-->-<-->-<--><-->-<-->-<-->-<-->-<-->-<-->-<-->-<\n" > > > > Does that mean our boot has now so much junk in it that we start > > adding ascii art for "important" messages? > > Well, Yes! It does. However, the problem here is that this > is detected prior to enabling the console so, unless the > boot can limp along until that happens, this message will > not be seen. I have seen both conditions... This, of course is the problem, the message appears buried in the noise prior to the actual boot failure (assuming it is printed at all). > > I am open to suggestions... > > Thanks for looking. > -- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml