From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759184AbZEBUeZ (ORCPT ); Sat, 2 May 2009 16:34:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755867AbZEBUeQ (ORCPT ); Sat, 2 May 2009 16:34:16 -0400 Received: from mail-gx0-f166.google.com ([209.85.217.166]:55363 "EHLO mail-gx0-f166.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754508AbZEBUeO convert rfc822-to-8bit (ORCPT ); Sat, 2 May 2009 16:34:14 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=EOmDXaXChbCJqpyT1DU562XKatk/EEysdWZDWkgOcx9VQcAXUCp5bvDT/Qxa7QfFRE GU90mrpqDq4IunD6gJ8dT12OQYHlGSLu81BTGDUl6B4NzMP5sormNP7FFb8gfyFcjDss hmyZJYmATYV5ZPfGWMsYVmTufjqzuxPdRedWA= MIME-Version: 1.0 In-Reply-To: References: Date: Sat, 2 May 2009 16:34:13 -0400 Message-ID: Subject: 2.6.30-rc4 -- iwl3945 -- INFO: possible irq lock inversion dependency detected From: Miles Lane To: LKML Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org http://bugzilla.kernel.org/show_bug.cgi?id=13224 [ 4573.319715] [ INFO: possible irq lock inversion dependency detected ] [ 4573.319723] 2.6.30-rc4 #3 [ 4573.319728] --------------------------------------------------------- [ 4573.319735] swapper/0 just changed the state of lock: [ 4573.319741]  (&(&priv->scan_check)->timer){+.-...}, at: [] run_timer_softirq+0x13c/0x26e [ 4573.319766] but this lock was taken by another, HARDIRQ-safe lock in the past: [ 4573.319772]  (&priv->lock){-.-...} [ 4573.319779] [ 4573.319781] and interrupts could create inverse lock ordering between them. [ 4573.319784] [ 4573.319790] [ 4573.319791] other info that might help us debug this: [ 4573.319798] no locks held by swapper/0. [ 4573.319802] [ 4573.319804] the first lock's dependencies: [ 4573.319810] -> (&(&priv->scan_check)->timer){+.-...} ops: 87 { [ 4573.319825]    HARDIRQ-ON-W at: [ 4573.319832] [] 0xffffffffffffffff [ 4573.319855]    IN-SOFTIRQ-W at: [ 4573.319861] [] 0xffffffffffffffff [ 4573.319873]    INITIAL USE at: [ 4573.319880] [] __lock_acquire+0x337/0xc22 [ 4573.319895] [] lock_acquire+0xf6/0x11a [ 4573.319907] [] del_timer_sync+0x3c/0x83 [ 4573.319920] [] iwl3945_mac_add_interface+0x137/0x1a7 [iwl3945] [ 4573.319944] [] ieee80211_open+0x4ce/0x6dd [mac80211] [ 4573.319980] [] dev_open+0x7c/0xbd [ 4573.319993] [] dev_change_flags+0xba/0x180 [ 4573.320005] [] do_setlink+0x307/0x3cf [ 4573.320017] [] rtnl_setlink+0x12b/0x142 [ 4573.320030] [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.320042] [] netlink_rcv_skb+0x3e/0x8d [ 4573.320056] [] rtnetlink_rcv+0x29/0x33 [ 4573.320068] [] netlink_unicast+0x117/0x180 [ 4573.320080] [] netlink_sendmsg+0x277/0x28a [ 4573.320092] [] __sock_sendmsg+0x59/0x62 [ 4573.320106] [] sock_sendmsg+0xc7/0xe0 [ 4573.320118] [] sys_sendmsg+0x214/0x29b [ 4573.320130] [] system_call_fastpath+0x16/0x1b [ 4573.320145] [] 0xffffffffffffffff [ 4573.320156]  } [ 4573.320161]  ... key      at: [] __key.41436+0x0/0xffffffffffff8640 [iwl3945] [ 4573.320183] [ 4573.320185] the second lock's dependencies: [ 4573.320190] -> (&priv->lock){-.-...} ops: 250343 { [ 4573.320205]    IN-HARDIRQ-W at: [ 4573.320211] [] 0xffffffffffffffff [ 4573.320223]    IN-SOFTIRQ-W at: [ 4573.320230] [] 0xffffffffffffffff [ 4573.320241]    INITIAL USE at: [ 4573.320248] [] __lock_acquire+0x337/0xc22 [ 4573.320261] [] lock_acquire+0xf6/0x11a [ 4573.320273] [] _spin_lock_irqsave+0x41/0x54 [ 4573.320288] [] iwl_reset_qos+0x19/0x19a [iwlcore] [ 4573.320315] [] iwl3945_pci_probe+0x357/0xcce [iwl3945] [ 4573.320339] [] local_pci_probe+0x12/0x16 [ 4573.320353] [] pci_device_probe+0x5f/0x89 [ 4573.320366] [] driver_probe_device+0x9e/0x143 [ 4573.320380] [] __driver_attach+0x58/0x7b [ 4573.320392] [] bus_for_each_dev+0x54/0x8a [ 4573.320404] [] driver_attach+0x1c/0x1e [ 4573.320416] [] bus_add_driver+0xb2/0x1e6 [ 4573.320427] [] driver_register+0xb6/0x121 [ 4573.320440] [] __pci_register_driver+0x61/0xcf [ 4573.320452] [] 0xffffffffa018e05c [ 4573.320464] [] do_one_initcall+0x65/0x153 [ 4573.320477] [] sys_init_module+0xab/0x1d3 [ 4573.320490] [] system_call_fastpath+0x16/0x1b [ 4573.320502] [] 0xffffffffffffffff [ 4573.320514]  } [ 4573.320518]  ... key      at: [] __key.41486+0x0/0xffffffffffff8648 [iwl3945] [ 4573.320539]  -> (pci_lock){......} ops: 9888 { [ 4573.320555]     INITIAL USE at: [ 4573.320562] [] __lock_acquire+0x337/0xc22 [ 4573.320575] [] lock_acquire+0xf6/0x11a [ 4573.320587] [] _spin_lock_irqsave+0x41/0x54 [ 4573.320600] [] pci_bus_read_config_dword+0x3c/0x87 [ 4573.320613] [] pci_scan_single_device+0x45/0x13a [ 4573.320627] [] pci_scan_slot+0x19/0x94 [ 4573.320639] [] pci_scan_child_bus+0x24/0x9e [ 4573.320651] [] pci_scan_bus_parented+0x1e/0x2b [ 4573.320663] [] pci_acpi_scan_root+0xdb/0x26f [ 4573.320675] [] acpi_pci_root_add+0x2a4/0x3cd [ 4573.320688] [] acpi_device_probe+0x53/0x150 [ 4573.320701] [] driver_probe_device+0x9e/0x143 [ 4573.320714] [] __driver_attach+0x58/0x7b [ 4573.320726] [] bus_for_each_dev+0x54/0x8a [ 4573.320738] [] driver_attach+0x1c/0x1e [ 4573.320750] [] bus_add_driver+0xb2/0x1e6 [ 4573.320762] [] driver_register+0xb6/0x121 [ 4573.320774] [] acpi_bus_register_driver+0x3e/0x43 [ 4573.320787] [] acpi_pci_root_init+0x19/0x28 [ 4573.320800] [] do_one_initcall+0x65/0x153 [ 4573.320813] [] kernel_init+0x12d/0x183 [ 4573.320825] [] child_rip+0xa/0x20 [ 4573.320836] [] 0xffffffffffffffff [ 4573.320848]   } [ 4573.320852]   ... key      at: [] pci_lock+0x18/0x30 [ 4573.320865]   -> (pci_config_lock){......} ops: 9990 { [ 4573.320880]      INITIAL USE at: [ 4573.320888] [] __lock_acquire+0x337/0xc22 [ 4573.320901] [] lock_acquire+0xf6/0x11a [ 4573.320913] [] _spin_lock_irqsave+0x41/0x54 [ 4573.320926] [] pci_conf1_read+0x5b/0xe2 [ 4573.320938] [] __pci_mmcfg_init+0x8f/0x2f5 [ 4573.320952] [] pci_mmcfg_early_init+0xe/0x10 [ 4573.320964] [] pci_arch_init+0x1e/0x57 [ 4573.320976] [] do_one_initcall+0x65/0x153 [ 4573.320989] [] kernel_init+0x12d/0x183 [ 4573.321000] [] child_rip+0xa/0x20 [ 4573.321011] [] 0xffffffffffffffff [ 4573.321022]    } [ 4573.321026]    ... key      at: [] pci_config_lock+0x18/0x30 [ 4573.321040]   ... acquired at: [ 4573.321044]    [] __lock_acquire+0xa88/0xc22 [ 4573.321055]    [] lock_acquire+0xf6/0x11a [ 4573.321067]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.321078]    [] pci_conf1_read+0x5b/0xe2 [ 4573.321088]    [] raw_pci_read+0x1e/0x36 [ 4573.321100]    [] pci_read+0x27/0x29 [ 4573.321110]    [] pci_bus_read_config_dword+0x5a/0x87 [ 4573.321121]    [] pci_scan_single_device+0x45/0x13a [ 4573.321132]    [] pci_scan_slot+0x19/0x94 [ 4573.321142]    [] pci_scan_child_bus+0x24/0x9e [ 4573.321153]    [] pci_scan_bus_parented+0x1e/0x2b [ 4573.321164]    [] pci_acpi_scan_root+0xdb/0x26f [ 4573.321174]    [] acpi_pci_root_add+0x2a4/0x3cd [ 4573.321186]    [] acpi_device_probe+0x53/0x150 [ 4573.321197]    [] driver_probe_device+0x9e/0x143 [ 4573.321208]    [] __driver_attach+0x58/0x7b [ 4573.321219]    [] bus_for_each_dev+0x54/0x8a [ 4573.321230]    [] driver_attach+0x1c/0x1e [ 4573.321240]    [] bus_add_driver+0xb2/0x1e6 [ 4573.321251]    [] driver_register+0xb6/0x121 [ 4573.321262]    [] acpi_bus_register_driver+0x3e/0x43 [ 4573.321273]    [] acpi_pci_root_init+0x19/0x28 [ 4573.321283]    [] do_one_initcall+0x65/0x153 [ 4573.321294]    [] kernel_init+0x12d/0x183 [ 4573.321304]    [] child_rip+0xa/0x20 [ 4573.321313]    [] 0xffffffffffffffff [ 4573.321323] [ 4573.321328]  ... acquired at: [ 4573.321332]    [] __lock_acquire+0xa88/0xc22 [ 4573.321344]    [] lock_acquire+0xf6/0x11a [ 4573.321355]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.321366]    [] pci_bus_read_config_word+0x3c/0x88 [ 4573.321377]    [] pci_find_capability+0x2c/0x71 [ 4573.321388]    [] iwl_power_initialize+0x63/0xd4 [iwlcore] [ 4573.321415]    [] iwl3945_apm_init+0xf/0xc3 [iwl3945] [ 4573.321437]    [] iwl3945_hw_nic_init+0x3b/0x3bc [iwl3945] [ 4573.321459]    [] __iwl3945_up+0x14d/0x24a [iwl3945] [ 4573.321479]    [] iwl3945_mac_start+0x5f8/0x794 [iwl3945] [ 4573.321499]    [] ieee80211_open+0x2a1/0x6dd [mac80211] [ 4573.321532]    [] dev_open+0x7c/0xbd [ 4573.321542]    [] dev_change_flags+0xba/0x180 [ 4573.321553]    [] do_setlink+0x307/0x3cf [ 4573.321564]    [] rtnl_setlink+0x12b/0x142 [ 4573.321575]    [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.321586]    [] netlink_rcv_skb+0x3e/0x8d [ 4573.321597]    [] rtnetlink_rcv+0x29/0x33 [ 4573.321608]    [] netlink_unicast+0x117/0x180 [ 4573.321619]    [] netlink_sendmsg+0x277/0x28a [ 4573.321630]    [] __sock_sendmsg+0x59/0x62 [ 4573.321641]    [] sock_sendmsg+0xc7/0xe0 [ 4573.321652]    [] sys_sendmsg+0x214/0x29b [ 4573.321662]    [] system_call_fastpath+0x16/0x1b [ 4573.321674]    [] 0xffffffffffffffff [ 4573.321685] [ 4573.321689]  -> (&rxq->lock){..-...} ops: 286984 { [ 4573.321704]     IN-SOFTIRQ-W at: [ 4573.321711] [] 0xffffffffffffffff [ 4573.321722]     INITIAL USE at: [ 4573.321729] [] __lock_acquire+0x337/0xc22 [ 4573.321742] [] lock_acquire+0xf6/0x11a [ 4573.321754] [] _spin_lock_irqsave+0x41/0x54 [ 4573.321767] [] iwl3945_rx_allocate+0x31/0x119 [iwl3945] [ 4573.321790] [] iwl3945_rx_replenish+0x1c/0x43 [iwl3945] [ 4573.321812] [] iwl3945_hw_nic_init+0x10b/0x3bc [iwl3945] [ 4573.321835] [] __iwl3945_up+0x14d/0x24a [iwl3945] [ 4573.321856] [] iwl3945_mac_start+0x5f8/0x794 [iwl3945] [ 4573.321877] [] ieee80211_open+0x2a1/0x6dd [mac80211] [ 4573.321911] [] dev_open+0x7c/0xbd [ 4573.321923] [] dev_change_flags+0xba/0x180 [ 4573.321934] [] do_setlink+0x307/0x3cf [ 4573.321946] [] rtnl_setlink+0x12b/0x142 [ 4573.321958] [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.321971] [] netlink_rcv_skb+0x3e/0x8d [ 4573.321984] [] rtnetlink_rcv+0x29/0x33 [ 4573.321996] [] netlink_unicast+0x117/0x180 [ 4573.322008] [] netlink_sendmsg+0x277/0x28a [ 4573.322020] [] __sock_sendmsg+0x59/0x62 [ 4573.322033] [] sock_sendmsg+0xc7/0xe0 [ 4573.322045] [] sys_sendmsg+0x214/0x29b [ 4573.322057] [] system_call_fastpath+0x16/0x1b [ 4573.322070] [] 0xffffffffffffffff [ 4573.322082]   } [ 4573.322087]   ... key      at: [] __key.38359+0x0/0xffffffffffff4dcc [iwlcore] [ 4573.322112]   -> (&n->list_lock){-.-...} ops: 938988 { [ 4573.322127]      IN-HARDIRQ-W at: [ 4573.322134] [] 0xffffffffffffffff [ 4573.322146]      IN-SOFTIRQ-W at: [ 4573.322153] [] 0xffffffffffffffff [ 4573.322164]      INITIAL USE at: [ 4573.322171] [] __lock_acquire+0x337/0xc22 [ 4573.322184] [] lock_acquire+0xf6/0x11a [ 4573.322197] [] _spin_lock+0x36/0x43 [ 4573.322209] [] unfreeze_slab+0x57/0x124 [ 4573.322223] [] __slab_alloc+0x147/0x557 [ 4573.322236] [] __kmalloc+0xef/0x14d [ 4573.322248] [] kmem_cache_create+0x211/0x2fb [ 4573.322261] [] key_init+0x1f/0xb1 [ 4573.322273] [] start_kernel+0x393/0x3e6 [ 4573.322285] [] x86_64_start_reservations+0xaa/0xae [ 4573.322299] [] x86_64_start_kernel+0xe1/0xe8 [ 4573.322311] [] 0xffffffffffffffff [ 4573.322322]    } [ 4573.322327]    ... key      at: [] __key.25306+0x0/0x8 [ 4573.322339]   ... acquired at: [ 4573.322344]    [] __lock_acquire+0xa88/0xc22 [ 4573.322356]    [] lock_acquire+0xf6/0x11a [ 4573.322366]    [] _spin_lock+0x36/0x43 [ 4573.322378]    [] unfreeze_slab+0x57/0x124 [ 4573.322389]    [] __slab_alloc+0x147/0x557 [ 4573.322399]    [] __kmalloc_track_caller+0xeb/0x149 [ 4573.322411]    [] __alloc_skb+0x66/0x13a [ 4573.322423]    [] iwl3945_rx_allocate+0x4f/0x119 [iwl3945] [ 4573.322445]    [] iwl3945_rx_replenish+0x1c/0x43 [iwl3945] [ 4573.322465]    [] iwl3945_hw_nic_init+0x10b/0x3bc [iwl3945] [ 4573.322487]    [] __iwl3945_up+0x14d/0x24a [iwl3945] [ 4573.322506]    [] iwl3945_mac_start+0x5f8/0x794 [iwl3945] [ 4573.322526]    [] ieee80211_open+0x2a1/0x6dd [mac80211] [ 4573.322558]    [] dev_open+0x7c/0xbd [ 4573.322568]    [] dev_change_flags+0xba/0x180 [ 4573.322579]    [] do_setlink+0x307/0x3cf [ 4573.322590]    [] rtnl_setlink+0x12b/0x142 [ 4573.322600]    [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.322612]    [] netlink_rcv_skb+0x3e/0x8d [ 4573.322623]    [] rtnetlink_rcv+0x29/0x33 [ 4573.322634]    [] netlink_unicast+0x117/0x180 [ 4573.322645]    [] netlink_sendmsg+0x277/0x28a [ 4573.322656]    [] __sock_sendmsg+0x59/0x62 [ 4573.322667]    [] sock_sendmsg+0xc7/0xe0 [ 4573.322677]    [] sys_sendmsg+0x214/0x29b [ 4573.322688]    [] system_call_fastpath+0x16/0x1b [ 4573.322700]    [] 0xffffffffffffffff [ 4573.322710] [ 4573.322714]   -> (&zone->lock){..-...} ops: 128829 { [ 4573.322729]      IN-SOFTIRQ-W at: [ 4573.322736] [] 0xffffffffffffffff [ 4573.322748]      INITIAL USE at: [ 4573.322755] [] __lock_acquire+0x337/0xc22 [ 4573.322768] [] lock_acquire+0xf6/0x11a [ 4573.322780] [] _spin_lock+0x36/0x43 [ 4573.322793] [] free_pages_bulk+0x2b/0x8b [ 4573.322805] [] free_hot_cold_page+0x14c/0x1be [ 4573.322817] [] free_hot_page+0xb/0xd [ 4573.322828] [] __free_pages+0x26/0x2f [ 4573.322840] [] __free_pages_bootmem+0x7e/0x80 [ 4573.322853] [] free_all_bootmem_core+0xf3/0x1c2 [ 4573.322867] [] free_all_bootmem+0x10/0x12 [ 4573.322879] [] mem_init+0x1e/0x161 [ 4573.322891] [] start_kernel+0x325/0x3e6 [ 4573.322902] [] x86_64_start_reservations+0xaa/0xae [ 4573.322916] [] x86_64_start_kernel+0xe1/0xe8 [ 4573.322929] [] 0xffffffffffffffff [ 4573.322940]    } [ 4573.322944]    ... key      at: [] __key.30048+0x0/0x8 [ 4573.322955]   ... acquired at: [ 4573.322959]    [] __lock_acquire+0xa88/0xc22 [ 4573.322971]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] get_page_from_freelist+0x313/0x5df [ 4573.322981]    [] __alloc_pages_internal+0x101/0x463 [ 4573.322981]    [] alloc_slab_page+0x20/0x26 [ 4573.322981]    [] __slab_alloc+0x246/0x557 [ 4573.322981]    [] __kmalloc_track_caller+0xeb/0x149 [ 4573.322981]    [] __alloc_skb+0x66/0x13a [ 4573.322981]    [] iwl3945_rx_allocate+0x4f/0x119 [iwl3945] [ 4573.322981]    [] iwl3945_rx_replenish+0x1c/0x43 [iwl3945] [ 4573.322981]    [] iwl3945_hw_nic_init+0x10b/0x3bc [iwl3945] [ 4573.322981]    [] __iwl3945_up+0x14d/0x24a [iwl3945] [ 4573.322981]    [] iwl3945_mac_start+0x5f8/0x794 [iwl3945] [ 4573.322981]    [] ieee80211_open+0x2a1/0x6dd [mac80211] [ 4573.322981]    [] dev_open+0x7c/0xbd [ 4573.322981]    [] dev_change_flags+0xba/0x180 [ 4573.322981]    [] do_setlink+0x307/0x3cf [ 4573.322981]    [] rtnl_setlink+0x12b/0x142 [ 4573.322981]    [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.322981]    [] netlink_rcv_skb+0x3e/0x8d [ 4573.322981]    [] rtnetlink_rcv+0x29/0x33 [ 4573.322981]    [] netlink_unicast+0x117/0x180 [ 4573.322981]    [] netlink_sendmsg+0x277/0x28a [ 4573.322981]    [] __sock_sendmsg+0x59/0x62 [ 4573.322981]    [] sock_sendmsg+0xc7/0xe0 [ 4573.322981]    [] sys_sendmsg+0x214/0x29b [ 4573.322981]    [] system_call_fastpath+0x16/0x1b [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] iwl3945_rx_queue_restock+0x2e/0x135 [iwl3945] [ 4573.322981]    [] iwl3945_rx_replenish+0x2f/0x43 [iwl3945] [ 4573.322981]    [] iwl3945_hw_nic_init+0x10b/0x3bc [iwl3945] [ 4573.322981]    [] __iwl3945_up+0x14d/0x24a [iwl3945] [ 4573.322981]    [] iwl3945_mac_start+0x5f8/0x794 [iwl3945] [ 4573.322981]    [] ieee80211_open+0x2a1/0x6dd [mac80211] [ 4573.322981]    [] dev_open+0x7c/0xbd [ 4573.322981]    [] dev_change_flags+0xba/0x180 [ 4573.322981]    [] do_setlink+0x307/0x3cf [ 4573.322981]    [] rtnl_setlink+0x12b/0x142 [ 4573.322981]    [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.322981]    [] netlink_rcv_skb+0x3e/0x8d [ 4573.322981]    [] rtnetlink_rcv+0x29/0x33 [ 4573.322981]    [] netlink_unicast+0x117/0x180 [ 4573.322981]    [] netlink_sendmsg+0x277/0x28a [ 4573.322981]    [] __sock_sendmsg+0x59/0x62 [ 4573.322981]    [] sock_sendmsg+0xc7/0xe0 [ 4573.322981]    [] sys_sendmsg+0x214/0x29b [ 4573.322981]    [] system_call_fastpath+0x16/0x1b [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  -> (&base->lock){..-...} ops: 2511018 { [ 4573.322981]     IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] lock_timer_base+0x26/0x4a [ 4573.322981] [] __mod_timer+0x3a/0xe6 [ 4573.322981] [] mod_timer+0x1c/0x1e [ 4573.322981] [] con_init+0xc5/0x23b [ 4573.322981] [] console_init+0x19/0x2b [ 4573.322981] [] start_kernel+0x27a/0x3e6 [ 4573.322981] [] x86_64_start_reservations+0xaa/0xae [ 4573.322981] [] x86_64_start_kernel+0xe1/0xe8 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]   } [ 4573.322981]   ... key      at: [] __key.23361+0x0/0x8 [ 4573.322981]  ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  -> (&q->lock){-.-.-.} ops: 26125342 { [ 4573.322981]     IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     IN-RECLAIM_FS-W at: [ 4573.322981] [] __lock_acquire+0x31e/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] prepare_to_wait+0x1c/0x5e [ 4573.322981] [] kswapd+0xd8/0x65f [ 4573.322981] [] kthread+0x56/0x83 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irq+0x3c/0x49 [ 4573.322981] [] wait_for_common+0x35/0xfb [ 4573.322981] [] wait_for_completion+0x18/0x1a [ 4573.322981] [] kthread_create+0xa8/0x163 [ 4573.322981] [] migration_call+0x47/0x496 [ 4573.322981] [] migration_init+0x22/0x58 [ 4573.322981] [] do_one_initcall+0x65/0x153 [ 4573.322981] [] kernel_init+0x64/0x183 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]   } [ 4573.322981]   ... key      at: [] __key.17866+0x0/0x8 [ 4573.322981]   -> (&rq->lock){-.-.-.} ops: 10029772 { [ 4573.322981]      IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      IN-RECLAIM_FS-W at: [ 4573.322981] [] __lock_acquire+0x31e/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock+0x36/0x43 [ 4573.322981] [] task_rq_lock+0x3e/0x70 [ 4573.322981] [] set_cpus_allowed_ptr+0x1c/0x105 [ 4573.322981] [] kswapd+0x6f/0x65f [ 4573.322981] [] kthread+0x56/0x83 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] rq_attach_root+0x16/0xcb [ 4573.322981] [] sched_init+0x35a/0x4e9 [ 4573.322981] [] start_kernel+0x18e/0x3e6 [ 4573.322981] [] x86_64_start_reservations+0xaa/0xae [ 4573.322981] [] x86_64_start_kernel+0xe1/0xe8 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]    } [ 4573.322981]    ... key      at: [] __key.45720+0x0/0x8 [ 4573.322981]    -> (&vec->lock){-.-...} ops: 24940 { [ 4573.322981]       IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]       IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]       INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] cpupri_set+0xd3/0x135 [ 4573.322981] [] rq_online_rt+0x6a/0x6e [ 4573.322981] [] set_rq_online+0x48/0x55 [ 4573.322981] [] rq_attach_root+0xa1/0xcb [ 4573.322981] [] sched_init+0x35a/0x4e9 [ 4573.322981] [] start_kernel+0x18e/0x3e6 [ 4573.322981] [] x86_64_start_reservations+0xaa/0xae [ 4573.322981] [] x86_64_start_kernel+0xe1/0xe8 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     } [ 4573.322981]     ... key      at: [] __key.14696+0x0/0x38 [ 4573.322981]    ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] cpupri_set+0xd3/0x135 [ 4573.322981]    [] rq_online_rt+0x6a/0x6e [ 4573.322981]    [] set_rq_online+0x48/0x55 [ 4573.322981]    [] rq_attach_root+0xa1/0xcb [ 4573.322981]    [] sched_init+0x35a/0x4e9 [ 4573.322981]    [] start_kernel+0x18e/0x3e6 [ 4573.322981]    [] x86_64_start_reservations+0xaa/0xae [ 4573.322981]    [] x86_64_start_kernel+0xe1/0xe8 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]    -> (&rt_b->rt_runtime_lock){-.-...} ops: 4564 { [ 4573.322981]       IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]       IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]       INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock+0x36/0x43 [ 4573.322981] [] enqueue_task_rt+0x199/0x253 [ 4573.322981] [] enqueue_task+0x5b/0x66 [ 4573.322981] [] activate_task+0x28/0x31 [ 4573.322981] [] try_to_wake_up+0x1c0/0x2fa [ 4573.322981] [] wake_up_process+0x10/0x12 [ 4573.322981] [] migration_call+0xd7/0x496 [ 4573.322981] [] migration_init+0x44/0x58 [ 4573.322981] [] do_one_initcall+0x65/0x153 [ 4573.322981] [] kernel_init+0x64/0x183 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     } [ 4573.322981]     ... key      at: [] __key.37731+0x0/0x8 [ 4573.322981]     -> (&cpu_base->lock){-.-...} ops: 9825156 { [ 4573.322981]        IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]        IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]        INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] lock_hrtimer_base+0x25/0x4b [ 4573.322981] [] __hrtimer_start_range_ns+0x33/0x1de [ 4573.322981] [] enqueue_task_rt+0x1e5/0x253 [ 4573.322981] [] enqueue_task+0x5b/0x66 [ 4573.322981] [] activate_task+0x28/0x31 [ 4573.322981] [] try_to_wake_up+0x1c0/0x2fa [ 4573.322981] [] wake_up_process+0x10/0x12 [ 4573.322981] [] migration_call+0xd7/0x496 [ 4573.322981] [] migration_init+0x44/0x58 [ 4573.322981] [] do_one_initcall+0x65/0x153 [ 4573.322981] [] kernel_init+0x64/0x183 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      } [ 4573.322981]      ... key      at: [] __key.19924+0x0/0x8 [ 4573.322981]     ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] lock_hrtimer_base+0x25/0x4b [ 4573.322981]    [] __hrtimer_start_range_ns+0x33/0x1de [ 4573.322981]    [] enqueue_task_rt+0x1e5/0x253 [ 4573.322981]    [] enqueue_task+0x5b/0x66 [ 4573.322981]    [] activate_task+0x28/0x31 [ 4573.322981]    [] try_to_wake_up+0x1c0/0x2fa [ 4573.322981]    [] wake_up_process+0x10/0x12 [ 4573.322981]    [] migration_call+0xd7/0x496 [ 4573.322981]    [] migration_init+0x44/0x58 [ 4573.322981]    [] do_one_initcall+0x65/0x153 [ 4573.322981]    [] kernel_init+0x64/0x183 [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]     -> (&rt_rq->rt_runtime_lock){-.-...} ops: 17246 { [ 4573.322981]        IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]        IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]        INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock+0x36/0x43 [ 4573.322981] [] update_curr_rt+0x98/0x123 [ 4573.322981] [] dequeue_task_rt+0x1f/0x74 [ 4573.322981] [] dequeue_task+0xd1/0xdc [ 4573.322981] [] deactivate_task+0x28/0x31 [ 4573.322981] [] __schedule+0x1b0/0x88c [ 4573.322981] [] schedule+0x13/0x3d [ 4573.322981] [] migration_thread+0x19f/0x245 [ 4573.322981] [] kthread+0x56/0x83 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      } [ 4573.322981]      ... key      at: [] __key.45675+0x0/0x8 [ 4573.322981]     ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock+0x36/0x43 [ 4573.322981]    [] __enable_runtime+0x38/0x78 [ 4573.322981]    [] rq_online_rt+0x4e/0x6e [ 4573.322981]    [] set_rq_online+0x48/0x55 [ 4573.322981]    [] migration_call+0x114/0x496 [ 4573.322981]    [] notifier_call_chain+0x5e/0x92 [ 4573.322981]    [] raw_notifier_call_chain+0xf/0x11 [ 4573.322981]    [] _cpu_up+0xe0/0x12f [ 4573.322981]    [] cpu_up+0x63/0x78 [ 4573.322981]    [] kernel_init+0xb5/0x183 [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]    ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock+0x36/0x43 [ 4573.322981]    [] enqueue_task_rt+0x199/0x253 [ 4573.322981]    [] enqueue_task+0x5b/0x66 [ 4573.322981]    [] activate_task+0x28/0x31 [ 4573.322981]    [] try_to_wake_up+0x1c0/0x2fa [ 4573.322981]    [] wake_up_process+0x10/0x12 [ 4573.322981]    [] migration_call+0xd7/0x496 [ 4573.322981]    [] migration_init+0x44/0x58 [ 4573.322981]    [] do_one_initcall+0x65/0x153 [ 4573.322981]    [] kernel_init+0x64/0x183 [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]    ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock+0x36/0x43 [ 4573.322981]    [] update_curr_rt+0x98/0x123 [ 4573.322981]    [] dequeue_task_rt+0x1f/0x74 [ 4573.322981]    [] dequeue_task+0xd1/0xdc [ 4573.322981]    [] deactivate_task+0x28/0x31 [ 4573.322981]    [] __schedule+0x1b0/0x88c [ 4573.322981]    [] schedule+0x13/0x3d [ 4573.322981]    [] migration_thread+0x19f/0x245 [ 4573.322981]    [] kthread+0x56/0x83 [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]    -> (&rq->lock/1){..-...} ops: 10367 { [ 4573.322981]       IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]       INITIAL USE at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     } [ 4573.322981]     ... key      at: [] __key.45720+0x1/0x8 [ 4573.322981]     -> (&sig->cputimer.lock){-.-...} ops: 463719 { [ 4573.322981]        IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]        IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]        INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] thread_group_cputimer+0x2d/0xb6 [ 4573.322981] [] posix_cpu_timers_exit_group+0x15/0x3b [ 4573.322981] [] release_task+0xce/0x3fc [ 4573.322981] [] do_exit+0x6c0/0x74e [ 4573.322981] [] usermodehelper_disable+0x0/0xbf [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      } [ 4573.322981]      ... key      at: [] __key.15573+0x0/0x8 [ 4573.322981]     ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]    ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]    ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]   ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock+0x36/0x43 [ 4573.322981]    [] task_rq_lock+0x3e/0x70 [ 4573.322981]    [] try_to_wake_up+0x7b/0x2fa [ 4573.322981]    [] default_wake_function+0xd/0xf [ 4573.322981]    [] __wake_up_common+0x46/0x76 [ 4573.322981]    [] complete+0x38/0x4b [ 4573.322981]    [] kthreadd+0xfe/0x12f [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]   -> (&ep->lock){..-...} ops: 105 { [ 4573.322981]      IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]      INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] sys_epoll_ctl+0x293/0x486 [ 4573.322981] [] system_call_fastpath+0x16/0x1b [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]    } [ 4573.322981]    ... key      at: [] __key.22593+0x0/0x10 [ 4573.322981]    ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock+0x36/0x43 [ 4573.322981]    [] task_rq_lock+0x3e/0x70 [ 4573.322981]    [] try_to_wake_up+0x7b/0x2fa [ 4573.322981]    [] default_wake_function+0xd/0xf [ 4573.322981]    [] __wake_up_common+0x46/0x76 [ 4573.322981]    [] __wake_up_locked+0x13/0x15 [ 4573.322981]    [] ep_poll_callback+0xa6/0xe9 [ 4573.322981]    [] __wake_up_common+0x46/0x76 [ 4573.322981]    [] __wake_up_sync_key+0x43/0x5b [ 4573.322981]    [] __wake_up_sync+0xb/0xd [ 4573.322981]    [] pipe_write+0x4d4/0x507 [ 4573.322981]    [] do_sync_write+0xe7/0x12d [ 4573.322981]    [] vfs_write+0xab/0x105 [ 4573.322981]    [] sys_write+0x47/0x70 [ 4573.322981]    [] system_call_fastpath+0x16/0x1b [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]   ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] ep_poll_callback+0x1e/0xe9 [ 4573.322981]    [] __wake_up_common+0x46/0x76 [ 4573.322981]    [] __wake_up_sync_key+0x43/0x5b [ 4573.322981]    [] __wake_up_sync+0xb/0xd [ 4573.322981]    [] pipe_write+0x4d4/0x507 [ 4573.322981]    [] do_sync_write+0xe7/0x12d [ 4573.322981]    [] vfs_write+0xab/0x105 [ 4573.322981]    [] sys_write+0x47/0x70 [ 4573.322981]    [] system_call_fastpath+0x16/0x1b [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  -> (&cwq->lock){-.-...} ops: 532654 { [ 4573.322981]     IN-HARDIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] __queue_work+0x18/0x3e [ 4573.322981] [] queue_work_on+0x45/0x4e [ 4573.322981] [] queue_work+0x29/0x5f [ 4573.322981] [] call_usermodehelper_exec+0x91/0xee [ 4573.322981] [] kobject_uevent_env+0x3e5/0x423 [ 4573.322981] [] kobject_uevent+0xb/0xd [ 4573.322981] [] kset_register+0x37/0x3f [ 4573.322981] [] bus_register+0xa5/0x230 [ 4573.322981] [] platform_bus_init+0x2c/0x44 [ 4573.322981] [] driver_init+0x1d/0x29 [ 4573.322981] [] kernel_init+0x11a/0x183 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]   } [ 4573.322981]   ... key      at: [] __key.23556+0x0/0x8 [ 4573.322981]   ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] __wake_up+0x22/0x50 [ 4573.322981]    [] insert_work+0xcd/0xd9 [ 4573.322981]    [] __queue_work+0x2a/0x3e [ 4573.322981]    [] queue_work_on+0x45/0x4e [ 4573.322981]    [] queue_work+0x29/0x5f [ 4573.322981]    [] call_usermodehelper_exec+0x91/0xee [ 4573.322981]    [] kobject_uevent_env+0x3e5/0x423 [ 4573.322981]    [] kobject_uevent+0xb/0xd [ 4573.322981]    [] kset_register+0x37/0x3f [ 4573.322981]    [] bus_register+0xa5/0x230 [ 4573.322981]    [] platform_bus_init+0x2c/0x44 [ 4573.322981]    [] driver_init+0x1d/0x29 [ 4573.322981]    [] kernel_init+0x11a/0x183 [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  ... acquired at: [ 4573.322981]    [] __lock_acquire+0xa88/0xc22 [ 4573.322981]    [] lock_acquire+0xf6/0x11a [ 4573.322981]    [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981]    [] __queue_work+0x18/0x3e [ 4573.322981]    [] queue_work_on+0x45/0x4e [ 4573.322981]    [] queue_work+0x29/0x5f [ 4573.322981]    [] iwl_scan_initiate+0x86/0xb5 [iwlcore] [ 4573.322981]    [] iwl_mac_hw_scan+0x10d/0x159 [iwlcore] [ 4573.322981]    [] ieee80211_start_scan+0x90/0x2b4 [mac80211] [ 4573.322981]    [] ieee80211_sta_work+0x728/0x8ed [mac80211] [ 4573.322981]    [] worker_thread+0x24b/0x367 [ 4573.322981]    [] kthread+0x56/0x83 [ 4573.322981]    [] child_rip+0xa/0x20 [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  -> (&priv->hcmd_lock){..-...} ops: 1345 { [ 4573.322981]     IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] _spin_lock_irqsave+0x41/0x54 [ 4573.322981] [] iwl_enqueue_hcmd+0xf0/0x254 [iwlcore] [ 4573.322981] [] iwl_send_cmd_sync+0xad/0x2cc [iwlcore] [ 4573.322981] [] iwl_send_cmd_pdu+0x39/0x3b [iwlcore] [ 4573.322981] [] iwl_send_bt_config+0x3c/0x3e [iwlcore] [ 4573.322981] [] iwl3945_bg_alive_start+0x17c/0x2de [iwl3945] [ 4573.322981] [] worker_thread+0x24b/0x367 [ 4573.322981] [] kthread+0x56/0x83 [ 4573.322981] [] child_rip+0xa/0x20 [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]   } [ 4573.322981]   ... key      at: [] __key.41489+0x0/0xffffffffffff8660 [iwl3945] [ 4573.322981]  ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  -> (&list->lock#5){..-...} ops: 326314 { [ 4573.322981]     IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     INITIAL USE at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]   } [ 4573.322981]   ... key      at: [] __key.18500+0x0/0xffffffffffff5060 [mac80211] [ 4573.322981]  ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981]  -> (&(&priv->scan_check)->timer){+.-...} ops: 87 { [ 4573.322981]     HARDIRQ-ON-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     IN-SOFTIRQ-W at: [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]     INITIAL USE at: [ 4573.322981] [] __lock_acquire+0x337/0xc22 [ 4573.322981] [] lock_acquire+0xf6/0x11a [ 4573.322981] [] del_timer_sync+0x3c/0x83 [ 4573.322981] [] iwl3945_mac_add_interface+0x137/0x1a7 [iwl3945] [ 4573.322981] [] ieee80211_open+0x4ce/0x6dd [mac80211] [ 4573.322981] [] dev_open+0x7c/0xbd [ 4573.322981] [] dev_change_flags+0xba/0x180 [ 4573.322981] [] do_setlink+0x307/0x3cf [ 4573.322981] [] rtnl_setlink+0x12b/0x142 [ 4573.322981] [] rtnetlink_rcv_msg+0x1d8/0x1f9 [ 4573.322981] [] netlink_rcv_skb+0x3e/0x8d [ 4573.322981] [] rtnetlink_rcv+0x29/0x33 [ 4573.322981] [] netlink_unicast+0x117/0x180 [ 4573.322981] [] netlink_sendmsg+0x277/0x28a [ 4573.322981] [] __sock_sendmsg+0x59/0x62 [ 4573.322981] [] sock_sendmsg+0xc7/0xe0 [ 4573.322981] [] sys_sendmsg+0x214/0x29b [ 4573.322981] [] system_call_fastpath+0x16/0x1b [ 4573.322981] [] 0xffffffffffffffff [ 4573.322981]   } [ 4573.322981]   ... key      at: [] __key.41436+0x0/0xffffffffffff8640 [iwl3945] [ 4573.322981]  ... acquired at: [ 4573.322981]    [] 0xffffffffffffffff [ 4573.322981] [ 4573.322981] [ 4573.322981] stack backtrace: [ 4573.322981] Pid: 0, comm: swapper Not tainted 2.6.30-rc4 #3 [ 4573.322981] Call Trace: [ 4573.322981]    [] print_irq_inversion_bug+0x123/0x131 [ 4573.322981]  [] ? check_usage_backwards+0x0/0x53 [ 4573.322981]  [] check_usage_backwards+0x4a/0x53 [ 4573.322981]  [] mark_lock+0x130/0x22c [ 4573.322981]  [] __lock_acquire+0x2ba/0xc22 [ 4573.322981]  [] lock_acquire+0xf6/0x11a [ 4573.322981]  [] ? run_timer_softirq+0x13c/0x26e [ 4573.322981]  [] ? delayed_work_timer_fn+0x0/0x43 [ 4573.322981]  [] run_timer_softirq+0x1d7/0x26e [ 4573.322981]  [] ? run_timer_softirq+0x13c/0x26e [ 4573.322981]  [] ? __do_softirq+0x54/0x1fa [ 4573.322981]  [] __do_softirq+0xe6/0x1fa [ 4573.322981]  [] call_softirq+0x1c/0x34 [ 4573.322981]  [] do_softirq+0x39/0x8e [ 4573.322981]  [] irq_exit+0x45/0x99 [ 4573.322981]  [] do_IRQ+0xaf/0xc6 [ 4573.322981]  [] ret_from_intr+0x0/0xf [ 4573.322981]    [] acpi_os_acquire_lock+0x9/0xb [ 4573.322981]  [] ? acpi_idle_enter_bm+0x250/0x27e [ 4573.322981]  [] ? acpi_idle_enter_bm+0x246/0x27e [ 4573.322981]  [] cpuidle_idle_call+0x92/0xcd [ 4573.322981]  [] cpu_idle+0x9c/0x100 [ 4573.322981]  [] rest_init+0x75/0x77 [ 4573.322981]  [] start_kernel+0x3db/0x3e6 [ 4573.322981]  [] x86_64_start_reservations+0xaa/0xae [ 4573.322981]  [] x86_64_start_kernel+0xe1/0xe8