From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758738AbYDLGH7 (ORCPT ); Sat, 12 Apr 2008 02:07:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752959AbYDLGHt (ORCPT ); Sat, 12 Apr 2008 02:07:49 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:48187 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752752AbYDLGHs (ORCPT ); Sat, 12 Apr 2008 02:07:48 -0400 Date: Fri, 11 Apr 2008 23:07:20 -0700 From: Andrew Morton To: Valdis.Kletnieks@vt.edu Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Thomas Gleixner Subject: Re: 2.6.25-rc8-mm2 Message-Id: <20080411230720.4969a946.akpm@linux-foundation.org> In-Reply-To: <17840.1207979639@turing-police.cc.vt.edu> References: <20080410203354.f0a6f464.akpm@linux-foundation.org> <17840.1207979639@turing-police.cc.vt.edu> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 12 Apr 2008 01:53:59 -0400 Valdis.Kletnieks@vt.edu wrote: > On Thu, 10 Apr 2008 20:33:54 PDT, Andrew Morton said: > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc8/2.6.25-rc8-mm2/ > > Was in the middle of a bisection chasing a different problem, and hit this > pair of warnings. 'quilt top' at the time was remove-div_long_long_rem.patch yup, remove-div_long_long_rem.patch is a "good" bisection point (one with no known fixes against it). > (in other words, very nearly all of rc8-mm2 was applied). Feel free to delete > if it's known-fixed in one of the last 100 or so patches. ;) > > [ 0.060389] ACPI: Core revision 20070126 > [ 0.069072] ------------[ cut here ]------------ > [ 0.069077] WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x41/0x7c() > [ 0.069084] Modules linked in: > [ 0.069090] Pid: 1, comm: swapper Not tainted 2.6.25-rc8 #5 > [ 0.069094] > [ 0.069095] Call Trace: > [ 0.069104] [] warn_on_slowpath+0x67/0xb7 > [ 0.069113] [] ? __cpus_weight+0x4b/0x68 > [ 0.069118] [] read_apic_id+0x41/0x7c > [ 0.069126] [] verify_local_APIC+0xb4/0x177 > [ 0.069132] [] native_smp_prepare_cpus+0x247/0x383 > [ 0.069140] [] kernel_init+0x69/0x29c > [ 0.069148] [] ? _spin_unlock_irq+0x43/0x62 > [ 0.069156] [] ? finish_task_switch+0x3e/0xb4 > [ 0.069163] [] child_rip+0xa/0x12 > [ 0.069994] [] ? acpi_ds_init_one_object+0x0/0xb1 > [ 0.070000] [] ? kernel_init+0x0/0x29c > [ 0.070006] [] ? child_rip+0x0/0x12 > [ 0.070010] > [ 0.070019] ---[ end trace a7919e7f17c0a725 ]--- > [ 0.070024] ------------[ cut here ]------------ > [ 0.070028] WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x41/0x7c() > [ 0.070034] Modules linked in: > [ 0.070039] Pid: 1, comm: swapper Tainted: G W 2.6.25-rc8 #5 > [ 0.070043] > [ 0.070044] Call Trace: > [ 0.070049] [] warn_on_slowpath+0x67/0xb7 > [ 0.070056] [] ? __cpus_weight+0x4b/0x68 > [ 0.070061] [] read_apic_id+0x41/0x7c > [ 0.070067] [] verify_local_APIC+0xe6/0x177 > [ 0.070072] [] native_smp_prepare_cpus+0x247/0x383 > [ 0.070078] [] kernel_init+0x69/0x29c > [ 0.070084] [] ? _spin_unlock_irq+0x43/0x62 > [ 0.070090] [] ? finish_task_switch+0x3e/0xb4 > [ 0.070096] [] child_rip+0xa/0x12 > [ 0.070102] [] ? acpi_ds_init_one_object+0x0/0xb1 > [ 0.070108] [] ? kernel_init+0x0/0x29c > [ 0.070113] [] ? child_rip+0x0/0x12 > [ 0.070117] > [ 0.070120] ---[ end trace a7919e7f17c0a725 ]--- > [ 0.080292] CPU0: Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping 06 > [ 0.080300] Using local APIC timer interrupts. So that may well be a destined-for-2.6.25 problem.