From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266650AbUGQHQC (ORCPT ); Sat, 17 Jul 2004 03:16:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266665AbUGQHQC (ORCPT ); Sat, 17 Jul 2004 03:16:02 -0400 Received: from fmr11.intel.com ([192.55.52.31]:62637 "EHLO fmsfmr004.fm.intel.com") by vger.kernel.org with ESMTP id S266650AbUGQHP7 (ORCPT ); Sat, 17 Jul 2004 03:15:59 -0400 Subject: Re: [ltp] Re: ACPI Hibernate and Suspend Strange behavior 2.6.7/-mm1 From: Len Brown To: Florian Weimer Cc: linux-thinkpad@linux-thinkpad.org, linux-kernel@vger.kernel.org In-Reply-To: <566B962EB122634D86E6EE29E83DD808182C04EC@hdsmsx403.hd.intel.com> References: <566B962EB122634D86E6EE29E83DD808182C04EC@hdsmsx403.hd.intel.com> Content-Type: text/plain Organization: Message-Id: <1090048541.2792.26.camel@dhcppc4> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.3 Date: 17 Jul 2004 03:15:42 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2004-07-15 at 17:57, Florian Weimer wrote: > * David Weinehall: > > > Strange. suspend works for me (T40 though, not T40p), latest > > BIOS-version, ACPI enabled, APM disabled. > > Thanks for your /proc/interrupts file. You have a lot less IRQ > sharing than me: > > CPU0 > 0: 5484369 XT-PIC timer > 1: 13698 XT-PIC i8042 > 2: 0 XT-PIC cascade > 11: 301909 XT-PIC uhci_hcd, uhci_hcd, uhci_hcd, Intel > 82801DB-ICH4, eth0, yenta, yenta, radeon@PCI:1:0:0 > 12: 14446 XT-PIC i8042 > 14: 63403 XT-PIC ide0 > 15: 21 XT-PIC ide1 > NMI: 0 > ERR: 0 > I wonder why the system has got such a high affinity to IRQ 11. I've > never seen so much IRQ sharing before. 8-/ Only the BIOS knows why -- Linux doesn't move IRQs around in PIC mode. But you can make it attempt to balance them with "acpi_irq_balance" if you're feeling adventerous. cheers, -Len