From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030187AbWFAL7b (ORCPT ); Thu, 1 Jun 2006 07:59:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030188AbWFAL7b (ORCPT ); Thu, 1 Jun 2006 07:59:31 -0400 Received: from tornado.reub.net ([202.89.145.182]:21143 "EHLO tornado.reub.net") by vger.kernel.org with ESMTP id S1030187AbWFAL7a (ORCPT ); Thu, 1 Jun 2006 07:59:30 -0400 Message-ID: <447ED6A2.5000107@reub.net> Date: Thu, 01 Jun 2006 23:59:30 +1200 From: Reuben Farrelly User-Agent: Thunderbird 3.0a1 (Windows/20060531) MIME-Version: 1.0 To: Ingo Molnar CC: Andrew Morton , linux-kernel@vger.kernel.org, Tejun Heo , Jeff Garzik , Jan Beulich Subject: Re: 2.6.17-rc5-mm2 References: <20060601014806.e86b3cc0.akpm@osdl.org> <447EB4AD.4060101@reub.net> <20060601025632.6683041e.akpm@osdl.org> <447EBD46.7010607@reub.net> <20060601103315.GA1865@elte.hu> <20060601105300.GA2985@elte.hu> <20060601112551.GA5811@elte.hu> In-Reply-To: <20060601112551.GA5811@elte.hu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 1/06/2006 11:25 p.m., Ingo Molnar wrote: > * Ingo Molnar wrote: > >>> * Reuben Farrelly wrote: >>> >>>>> A .config would be useful too. >>>> Now up at >>>> http://www.reub.net/files/kernel/configs/2.6.17-rc5-mm2-x86_64.confg >>> hm, i cannot reproduce the stack backtrace secondary crash with your >>> config. Weird. >> ah, managed to reproduce it! >> >> Jan, the dwarf2 unwinder apparently fails if we call a NULL function. > > Reuben, the workaround would be to disable CONFIG_STACK_UNWIND. > > Ingo Ok, now with an identical config with the exception of this: # CONFIG_STACK_UNWIND is not set I did a full make mrproper after setting this (via menuconfig). Not sure that this is much better unfortunately :( ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl SATA mode ahci 0000:00:1f.2: flags: 64bit ncq led clo pio slum part ata1: SATA max UDMA/133 cmd 0xFFFFC20000016100 ctl 0x0 bmdma 0x0 irq 58 ata2: SATA max UDMA/133 cmd 0xFFFFC20000016180 ctl 0x0 bmdma 0x0 irq 58 ata3: SATA max UDMA/133 cmd 0xFFFFC20000016200 ctl 0x0 bmdma 0x0 irq 58 ata4: SATA max UDMA/133 cmd 0xFFFFC20000016280 ctl 0x0 bmdma 0x0 irq 58 ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP: [<0000000000000000>] PGD 0 Oops: 0010 [1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 0, comm: idle Not tainted 2.6.17-rc5-mm2 #1 RIP: 0010:[<0000000000000000>] [<0000000000000000>] RSP: 0000:ffffffff8065ef98 EFLAGS: 00010006 RAX: 0000000000003a00 RBX: ffffffff8090bec8 RCX: 0000000000000000 RDX: ffffffff8090bec8 RSI: ffffffff808fc100 RDI: 000000000000003a RBP: ffffffff8065efb0 R08: 0000000000000001 R09: ffffffff80268f0a R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000003a R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff808f8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0 Process idle (pid: 0, threadinfo ffffffff8090a000, task ffffffff805923e0) Stack: ffffffff80271812 ffffffff8025f491 ffffffff8094c084 ffffffff8090bef0 ffffffff80265a89 ff6500005ccbe8fa 65c900000020250c 00000010250c8b48 f700001fd8e98148 7400000003582444 Call Trace: [] do_IRQ+0x5f/0x7d [] mwait_idle+0x0/0x54 [] ret_from_intr+0x0/0xf [] rtnetlink_rcv+0x54/0x58 [] irqsafe4_soft_spin_321+0x64/0xe0 [] irqsafe4_soft_spin_321+0x65/0xe0 [] irqsafe4_soft_spin_321+0x68/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x35/0xe0 [] irqsafe4_soft_rlock_123+0x38/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x5/0xe0 [] irqsafe4_soft_rlock_132+0x8/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb5/0xe0 [] irqsafe4_soft_rlock_132+0xb8/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x85/0xe0 [] irqsafe4_soft_rlock_213+0x88/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x55/0xe0 [] irqsafe4_soft_rlock_231+0x58/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4b/0xe0 [] irqsafe4_soft_rlock_312+0x4e/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x41/0xe0 [] irqsafe4_soft_rlock_321+0x44/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x37/0xe0 [] irqsafe4_soft_wlock_123+0x3a/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2d/0xe0 [] irqsafe4_soft_wlock_132+0x30/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x23/0xe0 [] irqsafe4_soft_wlock_213+0x26/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x19/0xe0 [] irqsafe4_soft_wlock_231+0x1c/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xf/0xe0 [] irqsafe4_soft_wlock_312+0x12/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x5/0xe0 [] irqsafe4_soft_wlock_321+0x8/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xdb/0xe0 [] irqsafe4_soft_wlock_321+0xde/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd1/0xe0 [] irq_inversion_soft_spin_123+0xd4/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc7/0xe0 [] irq_inversion_soft_spin_132+0xca/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbd/0xe0 [] irq_inversion_soft_spin_213+0xc0/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb3/0xe0 [] irq_inversion_soft_spin_231+0xb6/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa9/0xe0 [] irq_inversion_soft_spin_312+0xac/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9f/0xe0 [] irq_inversion_soft_spin_321+0xa2/0xe0 [] irq_inversion_soft_rlock_123+0x94/0xe0 Unable to handle kernel paging request at ffffffff82800000 RIP: [] show_trace+0x152/0x1a2 PGD 203027 PUD 205027 PMD 0 Oops: 0000 [2] SMP last sysfs file: CPU 0 Modules linked in: Pid: 0, comm: idle Not tainted 2.6.17-rc5-mm2 #1 RIP: 0010:[] [] show_trace+0x152/0x1a2 RSP: 0000:ffffffff8065ecd8 EFLAGS: 00010006 RAX: 0000000000000000 RBX: b100000000000074 RCX: 0000000000000000 RDX: ffffffff805923e0 RSI: 0000000000000001 RDI: ffffffff8059e680 RBP: ffffffff8065ed18 R08: 0000000000000003 R09: ffffffff804c6873 R10: 0000000000000000 R11: 0000000000000002 R12: ffffffff827ffff9 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff808f8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: ffffffff82800000 CR3: 0000000000201000 CR4: 00000000000006e0 Process idle (pid: 0, threadinfo ffffffff8090a000, task ffffffff805923e0) Stack: ffffffff80218050 0000000000000001 000000008065ed18 ffffffff80265aa9 000000000000000a ffffffff8065afc0 ffffffff8065efc0 0000000000000000 ffffffff8065ed68 ffffffff80270049 Call Trace: [] release_console_sem+0x20/0x247 [] exit_intr+0x11/0x1a [] _show_stack+0xe9/0xf8 [] show_registers+0x8c/0x101 [] __die+0xa0/0xe3 [] do_page_fault+0x86e/0x9c4 [] __lockdep_acquire+0xb4d/0xc06 [] _spin_unlock_irq+0x2b/0x33 [] trace_hardirqs_on+0xdd/0x124 [] _spin_unlock_irq+0x2b/0x33 [] error_exit+0x0/0x8e [] thread_return+0x63/0x103 [] do_IRQ+0x5f/0x7d [] mwait_idle+0x0/0x54 [] ret_from_intr+0x0/0xf [] rtnetlink_rcv+0x54/0x58 [] irqsafe4_soft_spin_321+0x64/0xe0 [] irqsafe4_soft_spin_321+0x65/0xe0 [] irqsafe4_soft_spin_321+0x68/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x35/0xe0 [] irqsafe4_soft_rlock_123+0x38/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x5/0xe0 [] irqsafe4_soft_rlock_132+0x8/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb5/0xe0 [] irqsafe4_soft_rlock_132+0xb8/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x85/0xe0 [] irqsafe4_soft_rlock_213+0x88/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x55/0xe0 [] irqsafe4_soft_rlock_231+0x58/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4b/0xe0 [] irqsafe4_soft_rlock_312+0x4e/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x41/0xe0 [] irqsafe4_soft_rlock_321+0x44/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x37/0xe0 [] irqsafe4_soft_wlock_123+0x3a/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2d/0xe0 [] irqsafe4_soft_wlock_132+0x30/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x23/0xe0 [] irqsafe4_soft_wlock_213+0x26/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x19/0xe0 [] irqsafe4_soft_wlock_231+0x1c/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xf/0xe0 [] irqsafe4_soft_wlock_312+0x12/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x5/0xe0 [] irqsafe4_soft_wlock_321+0x8/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xdb/0xe0 [] irqsafe4_soft_wlock_321+0xde/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd1/0xe0 [] irq_inversion_soft_spin_123+0xd4/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc7/0xe0 [] irq_inversion_soft_spin_132+0xca/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbd/0xe0 [] irq_inversion_soft_spin_213+0xc0/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb3/0xe0 [] irq_inversion_soft_spin_231+0xb6/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa9/0xe0 [] irq_inversion_soft_spin_312+0xac/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9f/0xe0 [] irq_inversion_soft_spin_321+0xa2/0xe0 [] irq_inversion_soft_rlock_123+0x94/0xe0 Unable to handle kernel paging request at ffffffff82800000 RIP: [] show_trace+0x152/0x1a2 PGD 203027 PUD 205027 PMD 0 Oops: 0000 [3] SMP last sysfs file: CPU 0 Modules linked in: Pid: 0, comm: idle Not tainted 2.6.17-rc5-mm2 #1 RIP: 0010:[] [] show_trace+0x152/0x1a2 RSP: 0000:ffffffff8065ea18 EFLAGS: 00010006 RAX: 0000000000000000 RBX: b100000000000074 RCX: 0000000000000000 RDX: ffffffff805923e0 RSI: 0000000000000001 RDI: ffffffff8059e680 RBP: ffffffff8065ea58 R08: 0000000000000003 R09: ffffffff804c6873 R10: 0000000000000000 R11: 0000000000000002 R12: ffffffff827ffff9 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff808f8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: ffffffff82800000 CR3: 0000000000201000 CR4: 00000000000006e0 Process idle (pid: 0, threadinfo ffffffff8090a000, task ffffffff805923e0) Stack: ffffffff80218050 0000000000000001 000000008065ea58 ffffffff8065ed20 000000000000000a ffffffff8065afc0 ffffffff8065efc0 0000000000000000 ffffffff8065eaa8 ffffffff80270049 Call Trace: [] release_console_sem+0x20/0x247 [] _show_stack+0xe9/0xf8 [] show_registers+0x8c/0x101 [] __die+0xa0/0xe3 [] do_page_fault+0x86e/0x9c4 [] __lockdep_acquire+0xb4d/0xc06 [] error_exit+0x0/0x8e [] show_trace+0x152/0x1a2 [] show_trace+0x15e/0x1a2 [] release_console_sem+0x20/0x247 [] exit_intr+0x11/0x1a [] _show_stack+0xe9/0xf8 [] show_registers+0x8c/0x101 [] __die+0xa0/0xe3 [] do_page_fault+0x86e/0x9c4 [] __lockdep_acquire+0xb4d/0xc06 [] _spin_unlock_irq+0x2b/0x33 [] trace_hardirqs_on+0xdd/0x124 [] _spin_unlock_irq+0x2b/0x33 [] error_exit+0x0/0x8e [] thread_return+0x63/0x103 [] do_IRQ+0x5f/0x7d [] mwait_idle+0x0/0x54 [] ret_from_intr+0x0/0xf [] rtnetlink_rcv+0x54/0x58 [] irqsafe4_soft_spin_321+0x64/0xe0 [] irqsafe4_soft_spin_321+0x65/0xe0 [] irqsafe4_soft_spin_321+0x68/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x35/0xe0 [] irqsafe4_soft_rlock_123+0x38/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x5/0xe0 [] irqsafe4_soft_rlock_132+0x8/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb5/0xe0 [] irqsafe4_soft_rlock_132+0xb8/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x85/0xe0 [] irqsafe4_soft_rlock_213+0x88/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x55/0xe0 [] irqsafe4_soft_rlock_231+0x58/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4b/0xe0 [] irqsafe4_soft_rlock_312+0x4e/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x41/0xe0 [] irqsafe4_soft_rlock_321+0x44/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x37/0xe0 [] irqsafe4_soft_wlock_123+0x3a/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2d/0xe0 [] irqsafe4_soft_wlock_132+0x30/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x23/0xe0 [] irqsafe4_soft_wlock_213+0x26/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x19/0xe0 [] irqsafe4_soft_wlock_231+0x1c/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xf/0xe0 [] irqsafe4_soft_wlock_312+0x12/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x5/0xe0 [] irqsafe4_soft_wlock_321+0x8/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xdb/0xe0 [] irqsafe4_soft_wlock_321+0xde/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd1/0xe0 [] irq_inversion_soft_spin_123+0xd4/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc7/0xe0 [] irq_inversion_soft_spin_132+0xca/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbd/0xe0 [] irq_inversion_soft_spin_213+0xc0/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb3/0xe0 [] irq_inversion_soft_spin_231+0xb6/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa9/0xe0 [] irq_inversion_soft_spin_312+0xac/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9f/0xe0 [] irq_inversion_soft_spin_321+0xa2/0xe0 [] irq_inversion_soft_rlock_123+0x94/0xe0 Unable to handle kernel paging request at ffffffff82800000 RIP: [] show_trace+0x152/0x1a2 PGD 203027 PUD 205027 PMD 0 Oops: 0000 [4] SMP last sysfs file: CPU 0 Modules linked in: Pid: 0, comm: idle Not tainted 2.6.17-rc5-mm2 #1 RIP: 0010:[] [] show_trace+0x152/0x1a2 RSP: 0000:ffffffff8065e758 EFLAGS: 00010006 RAX: 0000000000000000 RBX: b100000000000074 RCX: 0000000000000000 RDX: ffffffff805923e0 RSI: 0000000000000001 RDI: ffffffff8059e680 RBP: ffffffff8065e798 R08: 0000000000000003 R09: ffffffff804c6873 R10: 0000000000000000 R11: 0000000000000002 R12: ffffffff827ffff9 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff808f8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: ffffffff82800000 CR3: 0000000000201000 CR4: 00000000000006e0 Process idle (pid: 0, threadinfo ffffffff8090a000, task ffffffff805923e0) Stack: ffffffff80218050 0000000000000001 000000008065e798 ffffffff8065ea60 000000000000000a ffffffff8065afc0 ffffffff8065efc0 0000000000000000 ffffffff8065e7e8 ffffffff80270049 Call Trace: [] release_console_sem+0x20/0x247 [] _show_stack+0xe9/0xf8 [] show_registers+0x8c/0x101 [] __die+0xa0/0xe3 [] do_page_fault+0x86e/0x9c4 [] __lockdep_acquire+0xb4d/0xc06 [] error_exit+0x0/0x8e [] show_trace+0x152/0x1a2 [] show_trace+0x15e/0x1a2 [] release_console_sem+0x20/0x247 [] _show_stack+0xe9/0xf8 [] show_registers+0x8c/0x101 [] __die+0xa0/0xe3 [] do_page_fault+0x86e/0x9c4 [] __lockdep_acquire+0xb4d/0xc06 [] error_exit+0x0/0x8e [] show_trace+0x152/0x1a2 [] show_trace+0x15e/0x1a2 [] release_console_sem+0x20/0x247 [] exit_intr+0x11/0x1a [] _show_stack+0xe9/0xf8 [] show_registers+0x8c/0x101 [] __die+0xa0/0xe3 [] do_page_fault+0x86e/0x9c4 [] __lockdep_acquire+0xb4d/0xc06 [] _spin_unlock_irq+0x2b/0x33 [] trace_hardirqs_on+0xdd/0x124 [] _spin_unlock_irq+0x2b/0x33 [] error_exit+0x0/0x8e [] thread_return+0x63/0x103 [] do_IRQ+0x5f/0x7d [] mwait_idle+0x0/0x54 [] ret_from_intr+0x0/0xf [] rtnetlink_rcv+0x54/0x58 [] irqsafe4_soft_spin_321+0x64/0xe0 [] irqsafe4_soft_spin_321+0x65/0xe0 [] irqsafe4_soft_spin_321+0x68/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x34/0xe0 [] irqsafe4_soft_rlock_123+0x35/0xe0 [] irqsafe4_soft_rlock_123+0x38/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x4/0xe0 [] irqsafe4_soft_rlock_132+0x5/0xe0 [] irqsafe4_soft_rlock_132+0x8/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb4/0xe0 [] irqsafe4_soft_rlock_132+0xb5/0xe0 [] irqsafe4_soft_rlock_132+0xb8/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x84/0xe0 [] irqsafe4_soft_rlock_213+0x85/0xe0 [] irqsafe4_soft_rlock_213+0x88/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x54/0xe0 [] irqsafe4_soft_rlock_231+0x55/0xe0 [] irqsafe4_soft_rlock_231+0x58/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4a/0xe0 [] irqsafe4_soft_rlock_312+0x4b/0xe0 [] irqsafe4_soft_rlock_312+0x4e/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x40/0xe0 [] irqsafe4_soft_rlock_321+0x41/0xe0 [] irqsafe4_soft_rlock_321+0x44/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x36/0xe0 [] irqsafe4_soft_wlock_123+0x37/0xe0 [] irqsafe4_soft_wlock_123+0x3a/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2c/0xe0 [] irqsafe4_soft_wlock_132+0x2d/0xe0 [] irqsafe4_soft_wlock_132+0x30/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x22/0xe0 [] irqsafe4_soft_wlock_213+0x23/0xe0 [] irqsafe4_soft_wlock_213+0x26/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x18/0xe0 [] irqsafe4_soft_wlock_231+0x19/0xe0 [] irqsafe4_soft_wlock_231+0x1c/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xe/0xe0 [] irqsafe4_soft_wlock_312+0xf/0xe0 [] irqsafe4_soft_wlock_312+0x12/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x4/0xe0 [] irqsafe4_soft_wlock_321+0x5/0xe0 [] irqsafe4_soft_wlock_321+0x8/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xda/0xe0 [] irqsafe4_soft_wlock_321+0xdb/0xe0 [] irqsafe4_soft_wlock_321+0xde/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd0/0xe0 [] irq_inversion_soft_spin_123+0xd1/0xe0 [] irq_inversion_soft_spin_123+0xd4/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc6/0xe0 [] irq_inversion_soft_spin_132+0xc7/0xe0 [] irq_inversion_soft_spin_132+0xca/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbc/0xe0 [] irq_inversion_soft_spin_213+0xbd/0xe0 [] irq_inversion_soft_spin_213+0xc0/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb2/0xe0 [] irq_inversion_soft_spin_231+0xb3/0xe0 [] irq_inversion_soft_spin_231+0xb6/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa8/0xe0 [] irq_inversion_soft_spin_312+0xa9/0xe0 [] irq_inversion_soft_spin_312+0xac/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9e/0xe0 [] irq_inversion_soft_spin_321+0x9f/0xe0 [] irq_inversion_soft_spin_321+0xa2/0xe0 apkm: the x.tar.bz2 from a day ago that I tried works fine, so it's something that has gone into -mm in the last 24 or so hours... reuben