From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755824AbYGMSz2 (ORCPT ); Sun, 13 Jul 2008 14:55:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753427AbYGMSzV (ORCPT ); Sun, 13 Jul 2008 14:55:21 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:57152 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751455AbYGMSzU (ORCPT ); Sun, 13 Jul 2008 14:55:20 -0400 Date: Sun, 13 Jul 2008 20:55:02 +0200 From: Ingo Molnar To: Yinghai Lu Cc: Vegard Nossum , LKML , Mike Travis , Thomas Gleixner , Steven Rostedt Subject: Re: per-cpu related? Message-ID: <20080713185502.GA17644@elte.hu> References: <86802c440807130116u3b850485jec220bc15892873e@mail.gmail.com> <19f34abd0807130455w516d73cfi80161c345564464@mail.gmail.com> <86802c440807131134i351f967dh3a2b94d687c767ee@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86802c440807131134i351f967dh3a2b94d687c767ee@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Yinghai Lu wrote: > thanks > > could be caused by max_low_pfn_mapped patch...because hpet still use > fixmap address that is cleared by others. > > will check that. got another weird crash: [ 12.431572] device: 'sda1': device_add [ 12.435498] PM: Adding info for No Bus:sda1 [ 12.439795] device: 'sda2': device_add [ 12.443606] PM: Adding info for No Bus:sda2 [ 12.447945] ------------[ cut here ]------------ [ 12.452585] WARNING: at kernel/mutex.c:134 mutex_lock_nested+0x327/0x350() [ 12.459481] Modules linked in: [ 12.462597] Pid: 1, comm: swapper Not tainted 2.6.26-rc9-tip #14453 [ 12.468884] [ 12.468885] Call Trace: [ 12.472882] [] warn_on_slowpath+0x73/0xc0 [ 12.478565] [] ? trace_hardirqs_on+0x20/0x40 [ 12.484509] [] ? debug_locks_off+0x8/0x70 [ 12.490190] [] ? ftrace_record_ip+0x193/0x2b0 [ 12.496220] [] ? trace_hardirqs_on+0x20/0x40 [ 12.502159] [] ? mcount_call+0x5/0x31 [ 12.507494] [] ? scsi_disk_put+0x3d/0x80 [ 12.513089] [] mutex_lock_nested+0x327/0x350 [ 12.519030] [] ? scsi_disk_put+0x3d/0x80 [ 12.524624] [] scsi_disk_put+0x3d/0x80 [ 12.530044] [] sd_release+0x5b/0xa0 [ 12.535207] [] __blkdev_put+0x1d8/0x200 [ 12.540713] [] ? mcount_call+0x5/0x31 [ 12.546047] [] blkdev_put+0x23/0x40 [ 12.551209] [] register_disk+0x1a5/0x1c0 [ 12.556806] [] add_disk+0x5a/0xc0 [ 12.561794] [] sd_probe+0x2e4/0x440 [ 12.566955] [] driver_probe_device+0x104/0x260 [ 12.573068] [] ? __device_attach+0x0/0x40 [ 12.578750] [] __device_attach+0x21/0x40 [ 12.584347] [] bus_for_each_drv+0x7b/0xc0 [ 12.590027] [] device_attach+0xa9/0xc0 [ 12.595450] [] bus_attach_device+0x75/0xa0 [ 12.601216] [] device_add+0x599/0x670 [ 12.606550] [] ? mcount_call+0x5/0x31 [ 12.611884] [] scsi_sysfs_add_sdev+0x75/0x2a0 [ 12.617914] [] scsi_probe_and_add_lun+0xbbb/0xc70 [ 12.624289] [] __scsi_add_device+0x13a/0x150 [ 12.630229] [] ata_scsi_scan_host+0xeb/0x330 [ 12.636171] [] ata_host_register+0x286/0x310 [ 12.642111] [] ? devres_open_group+0xc0/0xf0 [ 12.648053] [] ? ata_sff_interrupt+0x0/0x2c0 [ 12.653995] [] ata_pci_sff_activate_host+0x12f/0x240 [ 12.660628] [] piix_init_one+0x334/0x7f0 [ 12.666225] [] pci_call_probe+0xa3/0x100 [ 12.671817] [] pci_device_probe+0x99/0xd0 [ 12.677499] [] driver_probe_device+0x104/0x260 [ 12.683615] [] __driver_attach+0xab/0xc0 [ 12.689208] [] ? __driver_attach+0x0/0xc0 [ 12.694891] [] bus_for_each_dev+0x7b/0xc0 [ 12.700570] [] driver_attach+0x34/0x50 [ 12.705991] [] bus_add_driver+0x116/0x2a0 [ 12.711670] [] driver_register+0x87/0x1a0 [ 12.717353] [] ? __spin_lock_init+0x47/0x90 [ 12.723206] [] ? piix_init+0x0/0x60 [ 12.728368] [] __pci_register_driver+0x7e/0xe0 [ 12.734483] [] piix_init+0x31/0x60 [ 12.739558] [] kernel_init+0x26f/0x39c [ 12.744981] [] ? _spin_unlock_irq+0x3f/0x70 [ 12.750834] [] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 12.757297] [] ? trace_hardirqs_on_caller+0x169/0x1d0 [ 12.764019] [] child_rip+0xa/0x11 [ 12.769006] [] ? restore_args+0x0/0x30 [ 12.774429] [] ? kernel_init+0x0/0x39c [ 12.779850] [] ? child_rip+0x0/0x11 [ 12.785012] [ 12.786538] ---[ end trace 0361c3a3643346eb ]--- [ 12.791214] BUG: scheduling while atomic: swapper/1/0x92899fb1 [ 12.797072] INFO: lockdep is turned off. [ 12.801020] Modules linked in: task structure got corrupted here too - the preempt count is 0x92899fb1. Ingo