[ 246.636660] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=18002 jiffies) [ 246.636674] INFO: Stall ended before state dump start [ 402.421522] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU [ 426.743477] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 0, t=72034 jiffies) [ 426.743498] INFO: Stall ended before state dump start [ 606.850126] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=126066 jiffies) [ 606.850148] INFO: Stall ended before state dump start [ 706.030782] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU [ 786.956778] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=180098 jiffies) [ 786.956800] INFO: Stall ended before state dump start [ 806.421054] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU [ 826.035165] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU [ 961.480003] INFO: task NetworkManager:456 blocked for more than 120 seconds. [ 961.480011] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.480017] NetworkManager D 0000000100027821 0 456 1 0x00000000 [ 961.480024] ffff88022cea7a18 0000000000000082 ffff880200000000 ffff88022cea7fd8 [ 961.480032] ffff880230ceeae0 ffff88022cea7fd8 ffff88022cea7fd8 ffff88022cea7fd8 [ 961.480039] ffffffff8180d020 ffff880230ceeae0 ffff88022cea7fd8 ffff88022cea7fd8 [ 961.480045] Call Trace: [ 961.480059] [] ? select_task_rq_fair+0x593/0xa90 [ 961.480067] [] ? __slab_free+0x32a/0x44b [ 961.480073] [] schedule+0x3f/0x60 [ 961.480078] [] __mutex_lock_slowpath+0x154/0x370 [ 961.480084] [] mutex_lock+0x16/0x30 [ 961.480091] [] ? __alloc_skb+0x4b/0x240 [ 961.480097] [] rtnl_lock+0x15/0x20 [ 961.480102] [] rtnetlink_rcv+0x16/0x40 [ 961.480108] [] netlink_unicast+0x2d9/0x320 [ 961.480114] [] netlink_sendmsg+0x2c6/0x320 [ 961.480120] [] sock_sendmsg+0x10e/0x130 [ 961.480128] [] ? __pollwait+0xf0/0xf0 [ 961.480133] [] ? sock_sendmsg+0x10e/0x130 [ 961.480138] [] ? __pollwait+0xf0/0xf0 [ 961.480143] [] ? move_addr_to_kernel+0x51/0x60 [ 961.480148] [] ? verify_iovec+0x4a/0xd0 [ 961.480154] [] __sys_sendmsg+0x39c/0x3b0 [ 961.480160] [] ? fget_light+0x92/0x100 [ 961.480166] [] ? sys_sendto+0x158/0x190 [ 961.480171] [] ? fget_light+0x92/0x100 [ 961.480176] [] sys_sendmsg+0x49/0x90 [ 961.480183] [] system_call_fastpath+0x16/0x1b [ 961.480189] INFO: task ntpd:479 blocked for more than 120 seconds. [ 961.480192] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.480196] ntpd D 0000000100026c65 0 479 1 0x00000004 [ 961.480202] ffff88022cdc1cc8 0000000000000086 ffff880200000000 00000000000000db [ 961.480208] ffff880230cece60 ffff88022cdc1fd8 ffff88022cdc1fd8 ffff88022cdc1fd8 [ 961.480214] ffffffff8180d020 ffff880230cece60 ffff88022cdc1c18 ffffffff8123da84 [ 961.480221] Call Trace: [ 961.480226] [] ? timerqueue_add+0x74/0xc0 [ 961.480233] [] ? enqueue_hrtimer+0x39/0xf0 [ 961.480239] [] ? __hrtimer_start_range_ns+0x1a5/0x4e0 [ 961.480244] [] schedule+0x3f/0x60 [ 961.480250] [] __mutex_lock_slowpath+0x154/0x370 [ 961.480255] [] mutex_lock+0x16/0x30 [ 961.480261] [] rtnl_lock+0x15/0x20 [ 961.480265] [] dev_ioctl+0x345/0x610 [ 961.480271] [] ? security_sk_alloc+0x16/0x20 [ 961.480277] [] ? sk_prot_alloc+0x87/0x290 [ 961.480282] [] ? __mutex_init+0x2e/0x30 [ 961.480288] [] ? sock_update_classid+0x6f/0x90 [ 961.480293] [] sock_do_ioctl+0x5d/0x70 [ 961.480298] [] sock_ioctl+0x6d/0x2c0 [ 961.480303] [] ? alloc_file+0x2b/0xd0 [ 961.480309] [] do_vfs_ioctl+0x8f/0x500 [ 961.480313] [] ? sock_alloc_file+0xa4/0x120 [ 961.480319] [] ? fd_install+0x62/0x80 [ 961.480324] [] sys_ioctl+0x91/0xa0 [ 961.480329] [] ? sys_socket+0x40/0x70 [ 961.480335] [] system_call_fastpath+0x16/0x1b [ 961.480340] INFO: task wpa_supplicant:488 blocked for more than 120 seconds. [ 961.480343] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.480347] wpa_supplicant D ffff880230cef200 0 488 1 0x00000000 [ 961.480353] ffff88023079f758 0000000000000086 0000000000000000 0000000000000000 [ 961.480359] ffff880230cef200 ffff88023079ffd8 ffff88023079ffd8 ffff88023079ffd8 [ 961.480365] ffff880230cedca0 ffff880230cef200 ffff880230cef4f0 0000000000000000 [ 961.480371] Call Trace: [ 961.480377] [] ? load_balance+0xbf/0x830 [ 961.480383] [] ? __slab_free+0x32a/0x44b [ 961.480388] [] schedule+0x3f/0x60 [ 961.480393] [] schedule_timeout+0x305/0x390 [ 961.480399] [] ? __mutex_lock_slowpath+0x263/0x370 [ 961.480428] [] ? is_mesh_bss+0x80/0x80 [cfg80211] [ 961.480434] [] wait_for_common+0xc8/0x160 [ 961.480439] [] ? try_to_wake_up+0x290/0x290 [ 961.480446] [] ? __call_rcu+0x170/0x170 [ 961.480451] [] wait_for_completion+0x1d/0x20 [ 961.480457] [] wait_rcu_gp+0x46/0x50 [ 961.480463] [] ? wait_rcu_gp+0x50/0x50 [ 961.480468] [] synchronize_rcu+0x24/0x30 [ 961.480486] [] __ieee80211_key_destroy+0x1b/0x90 [mac80211] [ 961.480500] [] __ieee80211_key_free+0x42/0x50 [mac80211] [ 961.480513] [] ieee80211_del_key+0x8a/0xe0 [mac80211] [ 961.480525] [] nl80211_del_key+0x110/0x170 [cfg80211] [ 961.480535] [] genl_rcv_msg+0x1d5/0x250 [ 961.480541] [] ? genl_rcv+0x40/0x40 [ 961.480546] [] netlink_rcv_skb+0xa9/0xd0 [ 961.480551] [] ? __alloc_skb+0x4b/0x240 [ 961.480557] [] genl_rcv+0x25/0x40 [ 961.480562] [] netlink_unicast+0x2d9/0x320 [ 961.480567] [] netlink_sendmsg+0x2c6/0x320 [ 961.480573] [] sock_sendmsg+0x10e/0x130 [ 961.480579] [] ? kmem_cache_free+0x2f/0x150 [ 961.480586] [] ? __sigqueue_free+0x3d/0x50 [ 961.480591] [] ? move_addr_to_kernel+0x51/0x60 [ 961.480596] [] ? verify_iovec+0x4a/0xd0 [ 961.480601] [] __sys_sendmsg+0x39c/0x3b0 [ 961.480606] [] ? sock_destroy_inode+0x33/0x40 [ 961.480611] [] ? kmem_cache_free+0x2f/0x150 [ 961.480616] [] ? d_free+0x5d/0x70 [ 961.480620] [] ? d_kill+0xe0/0x140 [ 961.480626] [] ? mntput_no_expire+0x30/0xe0 [ 961.480631] [] ? mntput+0x1f/0x30 [ 961.480636] [] sys_sendmsg+0x49/0x90 [ 961.480642] [] system_call_fastpath+0x16/0x1b [ 967.063428] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=234130 jiffies) [ 967.063450] INFO: Stall ended before state dump start [ 1081.480208] INFO: task NetworkManager:456 blocked for more than 120 seconds. [ 1081.480216] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.480221] NetworkManager D 0000000100027821 0 456 1 0x00000000 [ 1081.480228] ffff88022cea7a18 0000000000000082 ffff880200000000 ffff88022cea7fd8 [ 1081.480236] ffff880230ceeae0 ffff88022cea7fd8 ffff88022cea7fd8 ffff88022cea7fd8 [ 1081.480243] ffffffff8180d020 ffff880230ceeae0 ffff88022cea7fd8 ffff88022cea7fd8 [ 1081.480249] Call Trace: [ 1081.480263] [] ? select_task_rq_fair+0x593/0xa90 [ 1081.480271] [] ? __slab_free+0x32a/0x44b [ 1081.480277] [] schedule+0x3f/0x60 [ 1081.480282] [] __mutex_lock_slowpath+0x154/0x370 [ 1081.480288] [] mutex_lock+0x16/0x30 [ 1081.480295] [] ? __alloc_skb+0x4b/0x240 [ 1081.480301] [] rtnl_lock+0x15/0x20 [ 1081.480306] [] rtnetlink_rcv+0x16/0x40 [ 1081.480313] [] netlink_unicast+0x2d9/0x320 [ 1081.480318] [] netlink_sendmsg+0x2c6/0x320 [ 1081.480324] [] sock_sendmsg+0x10e/0x130 [ 1081.480331] [] ? __pollwait+0xf0/0xf0 [ 1081.480336] [] ? sock_sendmsg+0x10e/0x130 [ 1081.480342] [] ? __pollwait+0xf0/0xf0 [ 1081.480347] [] ? move_addr_to_kernel+0x51/0x60 [ 1081.480352] [] ? verify_iovec+0x4a/0xd0 [ 1081.480357] [] __sys_sendmsg+0x39c/0x3b0 [ 1081.480364] [] ? fget_light+0x92/0x100 [ 1081.480369] [] ? sys_sendto+0x158/0x190 [ 1081.480374] [] ? fget_light+0x92/0x100 [ 1081.480379] [] sys_sendmsg+0x49/0x90 [ 1081.480386] [] system_call_fastpath+0x16/0x1b [ 1081.480391] INFO: task ntpd:479 blocked for more than 120 seconds. [ 1081.480395] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.480398] ntpd D 0000000100026c65 0 479 1 0x00000004 [ 1081.480404] ffff88022cdc1cc8 0000000000000086 ffff880200000000 00000000000000db [ 1081.480411] ffff880230cece60 ffff88022cdc1fd8 ffff88022cdc1fd8 ffff88022cdc1fd8 [ 1081.480417] ffffffff8180d020 ffff880230cece60 ffff88022cdc1c18 ffffffff8123da84 [ 1081.480423] Call Trace: [ 1081.480429] [] ? timerqueue_add+0x74/0xc0 [ 1081.480436] [] ? enqueue_hrtimer+0x39/0xf0 [ 1081.480441] [] ? __hrtimer_start_range_ns+0x1a5/0x4e0 [ 1081.480447] [] schedule+0x3f/0x60 [ 1081.480452] [] __mutex_lock_slowpath+0x154/0x370 [ 1081.480457] [] mutex_lock+0x16/0x30 [ 1081.480462] [] rtnl_lock+0x15/0x20 [ 1081.480467] [] dev_ioctl+0x345/0x610 [ 1081.480473] [] ? security_sk_alloc+0x16/0x20 [ 1081.480479] [] ? sk_prot_alloc+0x87/0x290 [ 1081.480484] [] ? __mutex_init+0x2e/0x30 [ 1081.480489] [] ? sock_update_classid+0x6f/0x90 [ 1081.480495] [] sock_do_ioctl+0x5d/0x70 [ 1081.480499] [] sock_ioctl+0x6d/0x2c0 [ 1081.480504] [] ? alloc_file+0x2b/0xd0 [ 1081.480510] [] do_vfs_ioctl+0x8f/0x500 [ 1081.480515] [] ? sock_alloc_file+0xa4/0x120 [ 1081.480520] [] ? fd_install+0x62/0x80 [ 1081.480525] [] sys_ioctl+0x91/0xa0 [ 1081.480530] [] ? sys_socket+0x40/0x70 [ 1081.480536] [] system_call_fastpath+0x16/0x1b [ 1081.480541] INFO: task wpa_supplicant:488 blocked for more than 120 seconds. [ 1081.480544] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.480547] wpa_supplicant D ffff880230cef200 0 488 1 0x00000000 [ 1081.480553] ffff88023079f758 0000000000000086 0000000000000000 0000000000000000 [ 1081.480559] ffff880230cef200 ffff88023079ffd8 ffff88023079ffd8 ffff88023079ffd8 [ 1081.480565] ffff880230cedca0 ffff880230cef200 ffff880230cef4f0 0000000000000000 [ 1081.480571] Call Trace: [ 1081.480577] [] ? load_balance+0xbf/0x830 [ 1081.480584] [] ? __slab_free+0x32a/0x44b [ 1081.480588] [] schedule+0x3f/0x60 [ 1081.480593] [] schedule_timeout+0x305/0x390 [ 1081.480599] [] ? __mutex_lock_slowpath+0x263/0x370 [ 1081.480627] [] ? is_mesh_bss+0x80/0x80 [cfg80211] [ 1081.480632] [] wait_for_common+0xc8/0x160 [ 1081.480638] [] ? try_to_wake_up+0x290/0x290 [ 1081.480645] [] ? __call_rcu+0x170/0x170 [ 1081.480650] [] wait_for_completion+0x1d/0x20 [ 1081.480656] [] wait_rcu_gp+0x46/0x50 [ 1081.480661] [] ? wait_rcu_gp+0x50/0x50 [ 1081.480666] [] synchronize_rcu+0x24/0x30 [ 1081.480683] [] __ieee80211_key_destroy+0x1b/0x90 [mac80211] [ 1081.480697] [] __ieee80211_key_free+0x42/0x50 [mac80211] [ 1081.480710] [] ieee80211_del_key+0x8a/0xe0 [mac80211] [ 1081.480722] [] nl80211_del_key+0x110/0x170 [cfg80211] [ 1081.480732] [] genl_rcv_msg+0x1d5/0x250 [ 1081.480737] [] ? genl_rcv+0x40/0x40 [ 1081.480742] [] netlink_rcv_skb+0xa9/0xd0 [ 1081.480748] [] ? __alloc_skb+0x4b/0x240 [ 1081.480753] [] genl_rcv+0x25/0x40 [ 1081.480758] [] netlink_unicast+0x2d9/0x320 [ 1081.480763] [] netlink_sendmsg+0x2c6/0x320 [ 1081.480768] [] sock_sendmsg+0x10e/0x130 [ 1081.480775] [] ? kmem_cache_free+0x2f/0x150 [ 1081.480781] [] ? __sigqueue_free+0x3d/0x50 [ 1081.480786] [] ? move_addr_to_kernel+0x51/0x60 [ 1081.480791] [] ? verify_iovec+0x4a/0xd0 [ 1081.480796] [] __sys_sendmsg+0x39c/0x3b0 [ 1081.480801] [] ? sock_destroy_inode+0x33/0x40 [ 1081.480806] [] ? kmem_cache_free+0x2f/0x150 [ 1081.480811] [] ? d_free+0x5d/0x70 [ 1081.480815] [] ? d_kill+0xe0/0x140 [ 1081.480821] [] ? mntput_no_expire+0x30/0xe0 [ 1081.480826] [] ? mntput+0x1f/0x30 [ 1081.480831] [] sys_sendmsg+0x49/0x90 [ 1081.480837] [] system_call_fastpath+0x16/0x1b [ 1081.480851] INFO: task dropbox:789 blocked for more than 120 seconds. [ 1081.480854] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.480858] dropbox D 00000001000284fc 0 789 1 0x00000000 [ 1081.480863] ffff880221e1daf8 0000000000000082 ffff880200000000 ffffffff8106d3db [ 1081.480870] ffff88022a41b1e0 ffff880221e1dfd8 ffff880221e1dfd8 ffff880221e1dfd8 [ 1081.480876] ffff880231dcce60 ffff88022a41b1e0 ffff880221e5ca80 ffff880221e5cb60 [ 1081.480882] Call Trace: [ 1081.480886] [] ? local_bh_enable+0xab/0xc0 [ 1081.480892] [] ? ip_finish_output+0x18e/0x310 [ 1081.480898] [] ? ip_mc_output+0x188/0x260 [ 1081.480902] [] ? ip_make_skb+0xea/0x110 [ 1081.480908] [] schedule+0x3f/0x60 [ 1081.480912] [] __mutex_lock_slowpath+0x154/0x370 [ 1081.480918] [] mutex_lock+0x16/0x30 [ 1081.480923] [] ? __alloc_skb+0x4b/0x240 [ 1081.480928] [] rtnl_lock+0x15/0x20 [ 1081.480933] [] rtnetlink_rcv+0x16/0x40 [ 1081.480939] [] netlink_unicast+0x2d9/0x320 [ 1081.480944] [] netlink_sendmsg+0x2c6/0x320 [ 1081.480949] [] sock_sendmsg+0x10e/0x130 [ 1081.480954] [] ? __kmalloc+0x15b/0x1a0 [ 1081.480959] [] ? sk_prot_alloc+0x13b/0x290 [ 1081.480965] [] ? __wake_up+0x53/0x70 [ 1081.480970] [] ? fget_light+0x92/0x100 [ 1081.480975] [] sys_sendto+0x13d/0x190 [ 1081.480980] [] ? fd_install+0x62/0x80 [ 1081.480985] [] ? sock_map_fd+0x2a/0x40 [ 1081.480991] [] system_call_fastpath+0x16/0x1b [ 1081.481003] INFO: task chromium:1757 blocked for more than 120 seconds. [ 1081.481007] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.481010] chromium D ffff8801d9149fd8 0 1757 604 0x00000000 [ 1081.481016] ffff8801d9149af8 0000000000000082 ffff88023ed13470 0000000000000001 [ 1081.481022] ffff8801dc3e4020 ffff8801d9149fd8 ffff8801d9149fd8 ffff8801d9149fd8 [ 1081.481028] ffff8801d8e28e40 ffff8801dc3e4020 ffff88022cf0c400 ffff8801dc3e4068 [ 1081.481034] Call Trace: [ 1081.481040] [] ? zone_statistics+0x99/0xc0 [ 1081.481047] [] ? __switch_to+0x20e/0x2f0 [ 1081.481053] [] schedule+0x3f/0x60 [ 1081.481057] [] __mutex_lock_slowpath+0x154/0x370 [ 1081.481063] [] mutex_lock+0x16/0x30 [ 1081.481068] [] ? __alloc_skb+0x4b/0x240 [ 1081.481073] [] rtnl_lock+0x15/0x20 [ 1081.481078] [] rtnetlink_rcv+0x16/0x40 [ 1081.481084] [] netlink_unicast+0x2d9/0x320 [ 1081.481089] [] netlink_sendmsg+0x2c6/0x320 [ 1081.481094] [] sock_sendmsg+0x10e/0x130 [ 1081.481100] [] ? __wake_up+0x53/0x70 [ 1081.481105] [] ? fget_light+0x92/0x100 [ 1081.481110] [] sys_sendto+0x13d/0x190 [ 1081.481115] [] ? fd_install+0x62/0x80 [ 1081.481120] [] ? sock_map_fd+0x2a/0x40 [ 1081.481126] [] system_call_fastpath+0x16/0x1b [ 1081.481130] INFO: task chromium:1758 blocked for more than 120 seconds. [ 1081.481133] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.481137] chromium D ffff8801d914bfd8 0 1758 604 0x00000000 [ 1081.481142] ffff8801d914baf8 0000000000000082 ffff880200000001 ffff88022cf0c240 [ 1081.481148] ffff8801dc3e4740 ffff8801d914bfd8 ffff8801d914bfd8 ffff8801d914bfd8 [ 1081.481155] ffff8801d8f57200 ffff8801dc3e4740 0000000000000147 0000000100000001 [ 1081.481161] Call Trace: [ 1081.481166] [] ? __switch_to+0x20e/0x2f0 [ 1081.481171] [] schedule+0x3f/0x60 [ 1081.481176] [] __mutex_lock_slowpath+0x154/0x370 [ 1081.481181] [] mutex_lock+0x16/0x30 [ 1081.481186] [] ? __alloc_skb+0x4b/0x240 [ 1081.481191] [] rtnl_lock+0x15/0x20 [ 1081.481196] [] rtnetlink_rcv+0x16/0x40 [ 1081.481202] [] netlink_unicast+0x2d9/0x320 [ 1081.481207] [] netlink_sendmsg+0x2c6/0x320 [ 1081.481212] [] sock_sendmsg+0x10e/0x130 [ 1081.481217] [] ? __kmalloc+0x15b/0x1a0 [ 1081.481222] [] ? sk_prot_alloc+0x13b/0x290 [ 1081.481227] [] ? __wake_up+0x53/0x70 [ 1081.481233] [] ? fget_light+0x92/0x100 [ 1081.481238] [] sys_sendto+0x13d/0x190 [ 1081.481243] [] ? fd_install+0x62/0x80 [ 1081.481248] [] ? sock_map_fd+0x2a/0x40 [ 1081.481253] [] system_call_fastpath+0x16/0x1b [ 1081.481258] INFO: task chromium:1783 blocked for more than 120 seconds. [ 1081.481261] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1081.481265] chromium D ffff8801dc009fd8 0 1783 604 0x00000000 [ 1081.481270] ffff8801dc009af8 0000000000000082 ffff880200000001 ffff88022cf0c240 [ 1081.481277] ffff8801d918ce60 ffff8801dc009fd8 ffff8801dc009fd8 ffff8801dc009fd8 [ 1081.481283] ffff8801dc3e4740 ffff8801d918ce60 0000000000000145 0000000100000001 [ 1081.481289] Call Trace: [ 1081.481294] [] ? __switch_to+0x20e/0x2f0 [ 1081.481299] [] schedule+0x3f/0x60 [ 1081.481304] [] __mutex_lock_slowpath+0x154/0x370 [ 1081.481309] [] mutex_lock+0x16/0x30 [ 1081.481315] [] ? __alloc_skb+0x4b/0x240 [ 1081.481320] [] rtnl_lock+0x15/0x20 [ 1081.481325] [] rtnetlink_rcv+0x16/0x40 [ 1081.481330] [] netlink_unicast+0x2d9/0x320 [ 1081.481335] [] netlink_sendmsg+0x2c6/0x320 [ 1081.481341] [] sock_sendmsg+0x10e/0x130 [ 1081.481346] [] ? sock_alloc_inode+0x1d/0xc0 [ 1081.481351] [] ? __kmalloc+0x15b/0x1a0 [ 1081.481356] [] ? sk_prot_alloc+0x13b/0x290 [ 1081.481361] [] ? __wake_up+0x53/0x70 [ 1081.481366] [] ? fget_light+0x92/0x100 [ 1081.481371] [] sys_sendto+0x13d/0x190 [ 1081.481376] [] ? fd_install+0x62/0x80 [ 1081.481381] [] ? sock_map_fd+0x2a/0x40 [ 1081.481387] [] system_call_fastpath+0x16/0x1b [ 1147.169964] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=288162 jiffies) [ 1147.169985] INFO: Stall ended before state dump start