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, 23 Mar 2002 14:28:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 23 Mar 2002 14:28:00 -0500 Received: from lord.banki.hu ([193.225.225.14]:19314 "HELO lord.banki.hu") by vger.kernel.org with SMTP id ; Sat, 23 Mar 2002 14:27:42 -0500 Date: Sat, 23 Mar 2002 20:27:35 +0100 From: Janos Farkas To: Banai Zoltan Cc: linux-kernel@vger.kernel.org Subject: Re: io-apic not working on i850mv(p4) Message-ID: Mail-Followup-To: Banai Zoltan , linux-kernel@vger.kernel.org In-Reply-To: <20020323181736.B9229@bazooka.saturnus.vein.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii User-Agent: Mutt/0.96.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 2002-03-23, 18:17: Banai Zoltan szerint: > I have an Intel i850MV motherboard with: ... > model name : Intel(R) Pentium(R) 4 CPU 1.70GHz > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm ... > using 2.4.19-pre3-ac3 kernel with IO-APIC, but it seems not working to me: > 0: 5420792 XT-PIC timer ... > why gives XT-PIC instead of IO-APIC for all interrupst Because you don't have an IO APIC? > Found and enabled local APIC! ... > Using local APIC timer interrupts. > calibrating APIC timer ... ... I/O APIC != local APIC; the latter is on on all CPU's since P5 (at least for Intel), I/O APIC's are usable mostly on SMP boards. Is yours SMP capable? -- Janos romfs is at http://romfs.sourceforge.net/