From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.deathmatch.net ([72.66.92.28]:2613 "EHLO mail.deathmatch.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753886AbZHQPMy (ORCPT ); Mon, 17 Aug 2009 11:12:54 -0400 Date: Mon, 17 Aug 2009 11:12:23 -0400 From: Bob Copeland To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net Subject: 2.6.31-rc6 lockdep report Message-ID: <20090817151223.GA13125@hash.localnet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Haven't looked at it yet, I just hit this one while riding the train this morning and connecting to someone's adhoc station. [43559.227490] wlan0: Selected IBSS BSSID 2a:51:0a:35:5c:a1 based on configured SSID [43559.258660] ath5k phy0: bf=efb0b680 bf_skb=(null) [43559.291501] phy0: Adding new IBSS station 00:21:e9:94:5e:93 (dev=wlan0) [43559.291518] phy0: Allocated STA 00:21:e9:94:5e:93 [43559.292327] phy0: Inserted STA 00:21:e9:94:5e:93 [43633.646820] phy0: Adding new IBSS station 00:1e:c2:3b:f4:e3 (dev=wlan0) [43633.646838] phy0: Allocated STA 00:1e:c2:3b:f4:e3 [43633.646859] [43633.646860] ========================================================= [43633.646864] [ INFO: possible irq lock inversion dependency detected ] [43633.646867] 2.6.31-rc6 #179 [43633.646870] --------------------------------------------------------- [43633.646873] cc1/18756 just changed the state of lock: [43633.646876] (&local->sta_lock){..-...}, at: [] sta_info_insert+0x91/0x174 [mac80211] [43633.646900] but this lock took another, SOFTIRQ-unsafe lock in the past: [43633.646903] (todo_lock){+.+...} [43633.646906] [43633.646907] and interrupts could create inverse lock ordering between them. [43633.646908] [43633.646911] [43633.646912] other info that might help us debug this: [43633.646915] 2 locks held by cc1/18756: [43633.646918] #0: (&sc->rxbuflock){+.-.-.}, at: [] ath5k_tasklet_rx+0x34/0x56c [ath5k] [43633.646936] #1: (rcu_read_lock){.+.+..}, at: [] __ieee80211_rx+0x9f/0x581 [mac80211] [43633.646959] [43633.646960] the first lock's dependencies: [43633.646963] -> (&local->sta_lock){..-...} ops: 0 { [43633.646969] IN-SOFTIRQ-W at: [43633.646973] [] __lock_acquire+0x558/0x12d3 [43633.646981] [] lock_acquire+0xac/0xc9 [43633.646986] [] _spin_lock_irqsave+0x36/0x69 [43633.646993] [] sta_info_insert+0x91/0x174 [mac80211] [43633.647009] [] ieee80211_ibss_add_sta+0x119/0x12a [mac80211] [43633.647009] [] __ieee80211_rx_handle_packet+0x349/0x552 [mac80211] [43633.647009] [] __ieee80211_rx+0x500/0x581 [mac80211] [43633.647009] [] ath5k_tasklet_rx+0x51b/0x56c [ath5k] [43633.647009] [] tasklet_action+0x93/0xe6 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] do_IRQ+0x88/0x9c [43633.647009] [] common_interrupt+0x2e/0x34 [43633.647009] [] 0xffffffff [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] sta_info_insert+0x91/0x174 [mac80211] [43633.647009] [] ieee80211_rx_mgmt_assoc_resp+0x5fd/0xa13 [mac80211] [43633.647009] [] ieee80211_sta_work+0x776/0xd3b [mac80211] [43633.647009] [] worker_thread+0x1aa/0x287 [43633.647009] [] kthread+0x70/0x75 [43633.647009] [] kernel_thread_helper+0x7/0x10 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] __key.38684+0x0/0xffff0e77 [mac80211] [43633.647009] -> (&local->key_lock){......} ops: 0 { [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] ieee80211_todo_for_each_key+0x2e/0x79 [mac80211] [43633.647009] [] ieee80211_enable_keys+0x56/0x5b [mac80211] [43633.647009] [] ieee80211_open+0x47a/0x5f4 [mac80211] [43633.647009] [] dev_open+0x8b/0xc0 [43633.647009] [] dev_change_flags+0x9b/0x14c [43633.647009] [] do_setlink+0x2a2/0x348 [43633.647009] [] rtnl_setlink+0xe5/0xe9 [43633.647009] [] rtnetlink_rcv_msg+0x18a/0x1a0 [43633.647009] [] netlink_rcv_skb+0x35/0x7d [43633.647009] [] rtnetlink_rcv+0x20/0x27 [43633.647009] [] netlink_unicast+0x1b1/0x212 [43633.647009] [] netlink_sendmsg+0x223/0x230 [43633.647009] [] sock_sendmsg+0xcc/0xe2 [43633.647009] [] sys_sendmsg+0x14e/0x19b [43633.647009] [] sys_socketcall+0x147/0x170 [43633.647009] [] sysenter_do_call+0x12/0x36 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] __key.38909+0x0/0xffff0ea7 [mac80211] [43633.647009] -> (todo_lock){+.+...} ops: 0 { [43633.647009] HARDIRQ-ON-W at: [43633.647009] [] __lock_acquire+0x5ae/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock+0x2d/0x5d [43633.647009] [] __ieee80211_key_todo+0x1cb/0x1ef [mac80211] [43633.647009] [] ieee80211_key_todo+0x19/0x25 [mac80211] [43633.647009] [] ieee80211_todo_for_each_key+0x72/0x79 [mac80211] [43633.647009] [] ieee80211_enable_keys+0x56/0x5b [mac80211] [43633.647009] [] ieee80211_open+0x47a/0x5f4 [mac80211] [43633.647009] [] dev_open+0x8b/0xc0 [43633.647009] [] dev_change_flags+0x9b/0x14c [43633.647009] [] do_setlink+0x2a2/0x348 [43633.647009] [] rtnl_setlink+0xe5/0xe9 [43633.647009] [] rtnetlink_rcv_msg+0x18a/0x1a0 [43633.647009] [] netlink_rcv_skb+0x35/0x7d [43633.647009] [] rtnetlink_rcv+0x20/0x27 [43633.647009] [] netlink_unicast+0x1b1/0x212 [43633.647009] [] netlink_sendmsg+0x223/0x230 [43633.647009] [] sock_sendmsg+0xcc/0xe2 [43633.647009] [] sys_sendmsg+0x14e/0x19b [43633.647009] [] sys_socketcall+0x147/0x170 [43633.647009] [] sysenter_do_call+0x12/0x36 [43633.647009] [] 0xffffffff [43633.647009] SOFTIRQ-ON-W at: [43633.647009] [] __lock_acquire+0x5cd/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock+0x2d/0x5d [43633.647009] [] __ieee80211_key_todo+0x1cb/0x1ef [mac80211] [43633.647009] [] ieee80211_key_todo+0x19/0x25 [mac80211] [43633.647009] [] ieee80211_todo_for_each_key+0x72/0x79 [mac80211] [43633.647009] [] ieee80211_enable_keys+0x56/0x5b [mac80211] [43633.647009] [] ieee80211_open+0x47a/0x5f4 [mac80211] [43633.647009] [] dev_open+0x8b/0xc0 [43633.647009] [] dev_change_flags+0x9b/0x14c [43633.647009] [] do_setlink+0x2a2/0x348 [43633.647009] [] rtnl_setlink+0xe5/0xe9 [43633.647009] [] rtnetlink_rcv_msg+0x18a/0x1a0 [43633.647009] [] netlink_rcv_skb+0x35/0x7d [43633.647009] [] rtnetlink_rcv+0x20/0x27 [43633.647009] [] netlink_unicast+0x1b1/0x212 [43633.647009] [] netlink_sendmsg+0x223/0x230 [43633.647009] [] sock_sendmsg+0xcc/0xe2 [43633.647009] [] sys_sendmsg+0x14e/0x19b [43633.647009] [] sys_socketcall+0x147/0x170 [43633.647009] [] sysenter_do_call+0x12/0x36 [43633.647009] [] 0xffffffff [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock+0x2d/0x5d [43633.647009] [] __ieee80211_key_todo+0x1cb/0x1ef [mac80211] [43633.647009] [] ieee80211_key_todo+0x19/0x25 [mac80211] [43633.647009] [] ieee80211_todo_for_each_key+0x72/0x79 [mac80211] [43633.647009] [] ieee80211_enable_keys+0x56/0x5b [mac80211] [43633.647009] [] ieee80211_open+0x47a/0x5f4 [mac80211] [43633.647009] [] dev_open+0x8b/0xc0 [43633.647009] [] dev_change_flags+0x9b/0x14c [43633.647009] [] do_setlink+0x2a2/0x348 [43633.647009] [] rtnl_setlink+0xe5/0xe9 [43633.647009] [] rtnetlink_rcv_msg+0x18a/0x1a0 [43633.647009] [] netlink_rcv_skb+0x35/0x7d [43633.647009] [] rtnetlink_rcv+0x20/0x27 [43633.647009] [] netlink_unicast+0x1b1/0x212 [43633.647009] [] netlink_sendmsg+0x223/0x230 [43633.647009] [] sock_sendmsg+0xcc/0xe2 [43633.647009] [] sys_sendmsg+0x14e/0x19b [43633.647009] [] sys_socketcall+0x147/0x170 [43633.647009] [] sysenter_do_call+0x12/0x36 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] todo_lock+0x10/0xffff114b [mac80211] [43633.647009] -> (&cwq->lock){-.-.-.} ops: 0 { [43633.647009] IN-HARDIRQ-W at: [43633.647009] [] __lock_acquire+0x539/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __queue_work+0x17/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] __acpi_os_execute+0xf1/0x119 [43633.647009] [] acpi_os_execute+0xf/0x11 [43633.647009] [] acpi_ec_gpe_handler+0x6f/0xa3 [43633.647009] [] acpi_ev_gpe_dispatch+0x51/0x10f [43633.647009] [] acpi_ev_gpe_detect+0x8c/0xce [43633.647009] [] acpi_ev_sci_xrupt_handler+0x1a/0x20 [43633.647009] [] acpi_irq+0x13/0x2e [43633.647009] [] handle_IRQ_event+0x6a/0x12f [43633.647009] [] handle_fasteoi_irq+0x7e/0xb5 [43633.647009] [] handle_irq+0x40/0x4b [43633.647009] [] do_IRQ+0x49/0x9c [43633.647009] [] common_interrupt+0x2e/0x34 [43633.647009] [] finish_task_switch+0x6c/0xe8 [43633.647009] [] schedule+0x7af/0x81f [43633.647009] [] cpu_idle+0x79/0x88 [43633.647009] [] rest_init+0x6c/0x6e [43633.647009] [] start_kernel+0x28b/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] IN-SOFTIRQ-W at: [43633.647009] [] __lock_acquire+0x558/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __queue_work+0x17/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] kblockd_schedule_work+0x12/0x14 [43633.647009] [] as_antic_timeout+0x58/0xa4 [43633.647009] [] run_timer_softirq+0x17b/0x1f0 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] smp_apic_timer_interrupt+0x73/0x81 [43633.647009] [] apic_timer_interrupt+0x2f/0x34 [43633.647009] [] cpu_idle+0x53/0x88 [43633.647009] [] rest_init+0x6c/0x6e [43633.647009] [] start_kernel+0x28b/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] IN-RECLAIM_FS-W at: [43633.647009] [] __lock_acquire+0x608/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __queue_work+0x17/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] kblockd_schedule_work+0x12/0x14 [43633.647009] [] blk_unplug_timeout+0x57/0x5b [43633.647009] [] run_timer_softirq+0x17b/0x1f0 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] smp_apic_timer_interrupt+0x73/0x81 [43633.647009] [] apic_timer_interrupt+0x2f/0x34 [43633.647009] [] destroy_inode+0x32/0x35 [43633.647009] [] generic_delete_inode+0xe4/0xe8 [43633.647009] [] iput+0x50/0x53 [43633.647009] [] sysfs_d_iput+0x28/0x2b [43633.647009] [] dentry_iput+0x96/0xb8 [43633.647009] [] d_kill+0x21/0x3b [43633.647009] [] __shrink_dcache_sb+0x1d3/0x255 [43633.647009] [] shrink_dcache_memory+0xd9/0x15e [43633.647009] [] shrink_slab+0xda/0x15f [43633.647009] [] kswapd+0x401/0x587 [43633.647009] [] kthread+0x70/0x75 [43633.647009] [] kernel_thread_helper+0x7/0x10 [43633.647009] [] 0xffffffff [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __queue_work+0x17/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] call_usermodehelper_exec+0x8f/0xe1 [43633.647009] [] kobject_uevent_env+0x333/0x368 [43633.647009] [] kobject_uevent+0xa/0xc [43633.647009] [] kset_register+0x2e/0x34 [43633.647009] [] bus_register+0xe4/0x232 [43633.647009] [] platform_bus_init+0x23/0x38 [43633.647009] [] driver_init+0x1c/0x28 [43633.647009] [] kernel_init+0xf2/0x16a [43633.647009] [] kernel_thread_helper+0x7/0x10 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] __key.25893+0x0/0x8 [43633.647009] -> (key#3){-.-.-.} ops: 0 { [43633.647009] IN-HARDIRQ-W at: [43633.647009] [] __lock_acquire+0x539/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __wake_up+0x1a/0x40 [43633.647009] [] insert_work+0x9a/0xa3 [43633.647009] [] __queue_work+0x26/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] __acpi_os_execute+0xf1/0x119 [43633.647009] [] acpi_os_execute+0xf/0x11 [43633.647009] [] acpi_ec_gpe_handler+0x6f/0xa3 [43633.647009] [] acpi_ev_gpe_dispatch+0x51/0x10f [43633.647009] [] acpi_ev_gpe_detect+0x8c/0xce [43633.647009] [] acpi_ev_sci_xrupt_handler+0x1a/0x20 [43633.647009] [] acpi_irq+0x13/0x2e [43633.647009] [] handle_IRQ_event+0x6a/0x12f [43633.647009] [] handle_fasteoi_irq+0x7e/0xb5 [43633.647009] [] handle_irq+0x40/0x4b [43633.647009] [] do_IRQ+0x49/0x9c [43633.647009] [] common_interrupt+0x2e/0x34 [43633.647009] [] finish_task_switch+0x6c/0xe8 [43633.647009] [] schedule+0x7af/0x81f [43633.647009] [] cpu_idle+0x79/0x88 [43633.647009] [] rest_init+0x6c/0x6e [43633.647009] [] start_kernel+0x28b/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] IN-SOFTIRQ-W at: [43633.647009] [] __lock_acquire+0x558/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __wake_up+0x1a/0x40 [43633.647009] [] insert_work+0x9a/0xa3 [43633.647009] [] __queue_work+0x26/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] kblockd_schedule_work+0x12/0x14 [43633.647009] [] as_antic_timeout+0x58/0xa4 [43633.647009] [] run_timer_softirq+0x17b/0x1f0 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] smp_apic_timer_interrupt+0x73/0x81 [43633.647009] [] apic_timer_interrupt+0x2f/0x34 [43633.647009] [] cpu_idle+0x53/0x88 [43633.647009] [] rest_init+0x6c/0x6e [43633.647009] [] start_kernel+0x28b/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] IN-RECLAIM_FS-W at: [43633.647009] [] __lock_acquire+0x608/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] __wake_up+0x1a/0x40 [43633.647009] [] insert_work+0x9a/0xa3 [43633.647009] [] __queue_work+0x26/0x34 [43633.647009] [] queue_work_on+0x40/0x49 [43633.647009] [] queue_work+0x26/0x4a [43633.647009] [] kblockd_schedule_work+0x12/0x14 [43633.647009] [] blk_unplug_timeout+0x57/0x5b [43633.647009] [] run_timer_softirq+0x17b/0x1f0 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] smp_apic_timer_interrupt+0x73/0x81 [43633.647009] [] apic_timer_interrupt+0x2f/0x34 [43633.647009] [] destroy_inode+0x32/0x35 [43633.647009] [] generic_delete_inode+0xe4/0xe8 [43633.647009] [] iput+0x50/0x53 [43633.647009] [] sysfs_d_iput+0x28/0x2b [43633.647009] [] dentry_iput+0x96/0xb8 [43633.647009] [] d_kill+0x21/0x3b [43633.647009] [] __shrink_dcache_sb+0x1d3/0x255 [43633.647009] [] shrink_dcache_memory+0xd9/0x15e [43633.647009] [] shrink_slab+0xda/0x15f [43633.647009] [] kswapd+0x401/0x587 [43633.647009] [] kthread+0x70/0x75 [43633.647009] [] kernel_thread_helper+0x7/0x10 [43633.647009] [] 0xffffffff [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] prepare_to_wait+0x1c/0x4c [43633.647009] [] worker_thread+0x78/0x287 [43633.647009] [] kthread+0x70/0x75 [43633.647009] [] kernel_thread_helper+0x7/0x10 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] __key.25894+0x0/0x8 [43633.647009] -> (&rq->lock){-.-.-.} ops: 0 { [43633.647009] IN-HARDIRQ-W at: [43633.647009] [] __lock_acquire+0x539/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock+0x2d/0x5d [43633.647009] [] scheduler_tick+0x36/0x1dc [43633.647009] [] update_process_times+0x47/0x53 [43633.647009] [] tick_periodic+0x6c/0x79 [43633.647009] [] tick_handle_periodic+0x1d/0x76 [43633.647009] [] timer_interrupt+0x3e/0x45 [43633.647009] [] handle_IRQ_event+0x6a/0x12f [43633.647009] [] handle_level_irq+0x87/0xcd [43633.647009] [] handle_irq+0x40/0x4b [43633.647009] [] do_IRQ+0x49/0x9c [43633.647009] [] common_interrupt+0x2e/0x34 [43633.647009] [] get_from_free_list+0x32/0x39 [43633.647009] [] idr_get_empty_slot+0x26/0x1e7 [43633.647009] [] ida_get_new_above+0x30/0x166 [43633.647009] [] alloc_vfsmnt+0x57/0x11d [43633.647009] [] vfs_kern_mount+0x2b/0x7b [43633.647009] [] kern_mount_data+0x15/0x17 [43633.647009] [] sysfs_init+0x50/0xa0 [43633.647009] [] mnt_init+0x87/0x147 [43633.647009] [] vfs_caches_init+0xd9/0xeb [43633.647009] [] start_kernel+0x263/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] IN-SOFTIRQ-W at: [43633.647009] [] __lock_acquire+0x558/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock+0x2d/0x5d [43633.647009] [] task_rq_lock+0x3b/0x65 [43633.647009] [] try_to_wake_up+0x31/0x20b [43633.647009] [] wake_up_process+0x14/0x16 [43633.647009] [] process_timeout+0xd/0xf [43633.647009] [] run_timer_softirq+0x17b/0x1f0 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] smp_apic_timer_interrupt+0x73/0x81 [43633.647009] [] apic_timer_interrupt+0x2f/0x34 [43633.647009] [] cpu_idle+0x53/0x88 [43633.647009] [] rest_init+0x6c/0x6e [43633.647009] [] start_kernel+0x28b/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] IN-RECLAIM_FS-W at: [43633.647009] [] __lock_acquire+0x608/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock+0x2d/0x5d [43633.647009] [] task_rq_lock+0x3b/0x65 [43633.647009] [] set_cpus_allowed_ptr+0x1a/0xdc [43633.647009] [] kswapd+0x5e/0x587 [43633.647009] [] kthread+0x70/0x75 [43633.647009] [] kernel_thread_helper+0x7/0x10 [43633.647009] [] 0xffffffff [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] rq_attach_root+0x17/0xa9 [43633.647009] [] sched_init+0x290/0x3a1 [43633.647009] [] start_kernel+0x15d/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] __key.51718+0x0/0x8 [43633.647009] -> (&vec->lock){..-...} ops: 0 { [43633.647009] IN-SOFTIRQ-W at: [43633.647009] [] __lock_acquire+0x558/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] cpupri_set+0x66/0xf0 [43633.647009] [] enqueue_task_rt+0xd3/0x232 [43633.647009] [] enqueue_task+0x2f/0x3b [43633.647009] [] activate_task+0x24/0x2a [43633.647009] [] try_to_wake_up+0xcb/0x20b [43633.647009] [] wake_up_process+0x14/0x16 [43633.647009] [] rebalance_domains+0x2d7/0x3b6 [43633.647009] [] run_rebalance_domains+0x34/0xa7 [43633.647009] [] __do_softirq+0xdb/0x1ac [43633.647009] [] do_softirq+0x30/0x48 [43633.647009] [] irq_exit+0x3d/0x74 [43633.647009] [] smp_apic_timer_interrupt+0x73/0x81 [43633.647009] [] apic_timer_interrupt+0x2f/0x34 [43633.647009] [] cpuidle_idle_call+0x6a/0xa3 [43633.647009] [] cpu_idle+0x53/0x88 [43633.647009] [] start_secondary+0x1ad/0x1b4 [43633.647009] [] 0xffffffff [43633.647009] INITIAL USE at: [43633.647009] [] __lock_acquire+0x61e/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] cpupri_set+0xa9/0xf0 [43633.647009] [] rq_online_rt+0x5e/0x61 [43633.647009] [] set_rq_online+0x40/0x4a [43633.647009] [] rq_attach_root+0x86/0xa9 [43633.647009] [] sched_init+0x290/0x3a1 [43633.647009] [] start_kernel+0x15d/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] } [43633.647009] ... key at: [] __key.14809+0x0/0x28 [43633.647009] ... acquired at: [43633.647009] [] __lock_acquire+0xff0/0x12d3 [43633.647009] [] lock_acquire+0xac/0xc9 [43633.647009] [] _spin_lock_irqsave+0x36/0x69 [43633.647009] [] cpupri_set+0xa9/0xf0 [43633.647009] [] rq_online_rt+0x5e/0x61 [43633.647009] [] set_rq_online+0x40/0x4a [43633.647009] [] rq_attach_root+0x86/0xa9 [43633.647009] [] sched_init+0x290/0x3a1 [43633.647009] [] start_kernel+0x15d/0x290 [43633.647009] [] __init_begin+0x38/0x40 [43633.647009] [] 0xffffffff [43633.647009] [43633.647009] -> (&rt_b->rt_runtime_lock){..-...} ops: 0 { [43633.647009] IN-SOFTIRQ-W at: [43633.647009] [] __lock_acquire+0x558/0x12d3 [43633.647009] [