dmesg

[722027.625044] wlan0: associated
[726790.354905] INFO: task kworker/u:0:9887 blocked for more than 120 seconds.
[726790.354910] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[726790.354912] kworker/u:0     D ffff88014073a080     0  9887      2 0x00000000
[726790.354917]  ffff880032699b78 0000000000000046 ffff88014073a080 ffff880032699fd8
[726790.354921]  ffff880032699fd8 ffff880032699fd8 ffff88022fb80000 ffff88014073a080
[726790.354924]  ffff880170afc400 ffff880227e41f90 ffff880227e41fc0 0000000000000008
[726790.354928] Call Trace:
[726790.354943]  [<ffffffffa06a19a7>] ? iwlagn_tx_skb+0x687/0xca0 [iwldvm]
[726790.354949]  [<ffffffff810926aa>] ? update_curr+0x7a/0x1b0
[726790.354956]  [<ffffffff814b8649>] schedule+0x29/0x70
[726790.354959]  [<ffffffff814b6034>] schedule_timeout+0x1f4/0x260
[726790.354965]  [<ffffffff8108ad25>] ? check_preempt_curr+0x85/0xa0
[726790.354968]  [<ffffffff814b791b>] wait_for_common+0xcb/0x160
[726790.354972]  [<ffffffff8108d770>] ? try_to_wake_up+0x2e0/0x2e0
[726790.354975]  [<ffffffff814b79cd>] wait_for_completion+0x1d/0x20
[726790.354981]  [<ffffffff8107b3ae>] kthread_create_on_node+0xae/0x130
[726790.354986]  [<ffffffff8126a74c>] ? ida_get_new_above+0x6c/0x2a0
[726790.354990]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[726790.354993]  [<ffffffff81072fcb>] create_worker+0x1bb/0x200
[726790.354997]  [<ffffffff8106862b>] ? mod_timer+0x10b/0x240
[726790.355000]  [<ffffffff810751a8>] manage_workers+0x188/0x290
[726790.355003]  [<ffffffff810767dc>] worker_thread+0x3ac/0x400
[726790.355006]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[726790.355009]  [<ffffffff8107b150>] kthread+0xc0/0xd0
[726790.355014]  [<ffffffff81010000>] ? perf_trace_xen_mmu_set_pte_at+0xb0/0x100
[726790.355017]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[726790.355022]  [<ffffffff814c106c>] ret_from_fork+0x7c/0xb0
[726790.355025]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[726910.287144] INFO: task kworker/u:0:9887 blocked for more than 120 seconds.
[726910.287149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[726910.287151] kworker/u:0     D ffff88014073a080     0  9887      2 0x00000000
[726910.287155]  ffff880032699b78 0000000000000046 ffff88014073a080 ffff880032699fd8
[726910.287159]  ffff880032699fd8 ffff880032699fd8 ffff88022fb80000 ffff88014073a080
[726910.287162]  ffff880170afc400 ffff880227e41f90 ffff880227e41fc0 0000000000000008
[726910.287166] Call Trace:
[726910.287180]  [<ffffffffa06a19a7>] ? iwlagn_tx_skb+0x687/0xca0 [iwldvm]
[726910.287185]  [<ffffffff810926aa>] ? update_curr+0x7a/0x1b0
[726910.287191]  [<ffffffff814b8649>] schedule+0x29/0x70
[726910.287195]  [<ffffffff814b6034>] schedule_timeout+0x1f4/0x260
[726910.287200]  [<ffffffff8108ad25>] ? check_preempt_curr+0x85/0xa0
[726910.287203]  [<ffffffff814b791b>] wait_for_common+0xcb/0x160
[726910.287206]  [<ffffffff8108d770>] ? try_to_wake_up+0x2e0/0x2e0
[726910.287210]  [<ffffffff814b79cd>] wait_for_completion+0x1d/0x20
[726910.287216]  [<ffffffff8107b3ae>] kthread_create_on_node+0xae/0x130
[726910.287221]  [<ffffffff8126a74c>] ? ida_get_new_above+0x6c/0x2a0
[726910.287224]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[726910.287228]  [<ffffffff81072fcb>] create_worker+0x1bb/0x200
[726910.287232]  [<ffffffff8106862b>] ? mod_timer+0x10b/0x240
[726910.287235]  [<ffffffff810751a8>] manage_workers+0x188/0x290
[726910.287238]  [<ffffffff810767dc>] worker_thread+0x3ac/0x400
[726910.287241]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[726910.287244]  [<ffffffff8107b150>] kthread+0xc0/0xd0
[726910.287250]  [<ffffffff81010000>] ? perf_trace_xen_mmu_set_pte_at+0xb0/0x100
[726910.287253]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[726910.287258]  [<ffffffff814c106c>] ret_from_fork+0x7c/0xb0
[726910.287261]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[727030.222728] INFO: task kworker/u:0:9887 blocked for more than 120 seconds.
[727030.222733] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[727030.222735] kworker/u:0     D ffff88014073a080     0  9887      2 0x00000000
[727030.222739]  ffff880032699b78 0000000000000046 ffff88014073a080 ffff880032699fd8
[727030.222743]  ffff880032699fd8 ffff880032699fd8 ffff88022fb80000 ffff88014073a080
[727030.222746]  ffff880170afc400 ffff880227e41f90 ffff880227e41fc0 0000000000000008
[727030.222750] Call Trace:
[727030.222765]  [<ffffffffa06a19a7>] ? iwlagn_tx_skb+0x687/0xca0 [iwldvm]
[727030.222771]  [<ffffffff810926aa>] ? update_curr+0x7a/0x1b0
[727030.222778]  [<ffffffff814b8649>] schedule+0x29/0x70
[727030.222781]  [<ffffffff814b6034>] schedule_timeout+0x1f4/0x260
[727030.222786]  [<ffffffff8108ad25>] ? check_preempt_curr+0x85/0xa0
[727030.222790]  [<ffffffff814b791b>] wait_for_common+0xcb/0x160
[727030.222793]  [<ffffffff8108d770>] ? try_to_wake_up+0x2e0/0x2e0
[727030.222796]  [<ffffffff814b79cd>] wait_for_completion+0x1d/0x20
[727030.222803]  [<ffffffff8107b3ae>] kthread_create_on_node+0xae/0x130
[727030.222808]  [<ffffffff8126a74c>] ? ida_get_new_above+0x6c/0x2a0
[727030.222811]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[727030.222814]  [<ffffffff81072fcb>] create_worker+0x1bb/0x200
[727030.222819]  [<ffffffff8106862b>] ? mod_timer+0x10b/0x240
[727030.222822]  [<ffffffff810751a8>] manage_workers+0x188/0x290
[727030.222825]  [<ffffffff810767dc>] worker_thread+0x3ac/0x400
[727030.222827]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[727030.222831]  [<ffffffff8107b150>] kthread+0xc0/0xd0
[727030.222836]  [<ffffffff81010000>] ? perf_trace_xen_mmu_set_pte_at+0xb0/0x100
[727030.222839]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[727030.222843]  [<ffffffff814c106c>] ret_from_fork+0x7c/0xb0
[727030.222847]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[727150.154971] INFO: task kworker/u:0:9887 blocked for more than 120 seconds.
[727150.154976] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[727150.154978] kworker/u:0     D ffff88014073a080     0  9887      2 0x00000000
[727150.154983]  ffff880032699b78 0000000000000046 ffff88014073a080 ffff880032699fd8
[727150.154987]  ffff880032699fd8 ffff880032699fd8 ffff88022fb80000 ffff88014073a080
[727150.154990]  ffff880170afc400 ffff880227e41f90 ffff880227e41fc0 0000000000000008
[727150.154993] Call Trace:
[727150.155007]  [<ffffffffa06a19a7>] ? iwlagn_tx_skb+0x687/0xca0 [iwldvm]
[727150.155013]  [<ffffffff810926aa>] ? update_curr+0x7a/0x1b0
[727150.155020]  [<ffffffff814b8649>] schedule+0x29/0x70
[727150.155023]  [<ffffffff814b6034>] schedule_timeout+0x1f4/0x260
[727150.155028]  [<ffffffff8108ad25>] ? check_preempt_curr+0x85/0xa0
[727150.155031]  [<ffffffff814b791b>] wait_for_common+0xcb/0x160
[727150.155035]  [<ffffffff8108d770>] ? try_to_wake_up+0x2e0/0x2e0
[727150.155037]  [<ffffffff814b79cd>] wait_for_completion+0x1d/0x20
[727150.155044]  [<ffffffff8107b3ae>] kthread_create_on_node+0xae/0x130
[727150.155049]  [<ffffffff8126a74c>] ? ida_get_new_above+0x6c/0x2a0
[727150.155052]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[727150.155056]  [<ffffffff81072fcb>] create_worker+0x1bb/0x200
[727150.155060]  [<ffffffff8106862b>] ? mod_timer+0x10b/0x240
[727150.155063]  [<ffffffff810751a8>] manage_workers+0x188/0x290
[727150.155066]  [<ffffffff810767dc>] worker_thread+0x3ac/0x400
[727150.155069]  [<ffffffff81076430>] ? rescuer_thread+0x240/0x240
[727150.155072]  [<ffffffff8107b150>] kthread+0xc0/0xd0
[727150.155077]  [<ffffffff81010000>] ? perf_trace_xen_mmu_set_pte_at+0xb0/0x100
[727150.155080]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[727150.155084]  [<ffffffff814c106c>] ret_from_fork+0x7c/0xb0
[727150.155088]  [<ffffffff8107b090>] ? kthread_freezable_should_stop+0x70/0x70
[727173.858493] SysRq : Terminate All Tasks