On Fri, Apr 04 2014, Alan Stern wrote:
> No error messages about hung-up tasks 120 seconds later?
Sorry. I had forgotten to wait 2 minutes...
Here again the log with information about hung-up tasks.
--
Peter
[ 97.307415] PM: Syncing filesystems ... done.
[ 97.412888] PM: Preparing system for mem sleep
[ 97.419642] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 97.421484] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 97.422709] PM: Entering mem sleep
[ 97.423072] usb 6-3: usb suspend, wakeup 0
[ 97.423075] usb usb7: usb auto-resume
[ 97.423082] ohci-pci 0000:00:14.5: resume root hub
[ 97.423092] usb 5-2: usb suspend, wakeup 0
[ 97.423183] hub 6-0:1.0: hub_suspend
[ 97.423216] usb usb4: usb auto-resume
[ 97.423229] ohci-pci 0000:00:13.0: resume root hub
[ 97.423254] usb usb3: usb auto-resume
[ 97.423263] usb usb6: bus suspend, wakeup 0
[ 97.423266] ehci-pci 0000:00:13.2: suspend root hub
[ 97.423300] ohci-pci 0000:00:12.1: resume root hub
[ 97.423365] usb usb2: usb auto-resume
[ 97.423392] ohci-pci 0000:00:12.0: resume root hub
[ 97.423555] usb usb1: usb auto-resume
[ 97.423590] ehci-pci 0000:00:12.2: resume root hub
[ 97.423634] hub 1-0:1.0: hub_resume
[ 97.423712] sd 2:0:0:0: [sdb] Synchronizing SCSI cache
[ 97.423715] hub 1-0:1.0: hub_suspend
[ 97.423726] usb usb1: bus suspend, wakeup 0
[ 97.423728] ehci-pci 0000:00:12.2: suspend root hub
[ 97.423921] sd 2:0:0:0: [sdb] Stopping disk
[ 97.423955] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 100.252067] r8169 0000:02:00.0 eth0: link up
[ 102.511114] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 102.551786] ata3.00: configured for UDMA/133
[ 102.553080] sd 2:0:0:0: [sdb] Starting disk
[ 104.119856] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 104.136871] ata1.00: configured for UDMA/133
[ 104.141082] sd 0:0:0:0: [sda] Starting disk
[ 241.758504] INFO: task s2ram:2466 blocked for more than 120 seconds.
[ 241.762604] Not tainted 3.12.15-peter #11
[ 241.766582] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 241.770653] s2ram D ffff88012fc92f80 0 2466 2382 0x00000000
[ 241.774820] ffff880121b6dc60 0000000000000086 ffff880121b6dfd8 0000000000012f80
[ 241.779018] ffff880121b6dfd8 0000000000012f80 ffff880129136100 ffff8801215cf0f8
[ 241.783217] 7fffffffffffffff ffff8801215cf0f0 ffff880129136100 0000000000000000
[ 241.787481] Call Trace:
[ 241.791722] [<ffffffff815637d4>] schedule+0x24/0x70
[ 241.796046] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 241.800407] [<ffffffff8140235f>] ? input_pass_values.part.4+0x4f/0x160
[ 241.804839] [<ffffffff8109c6de>] ? ktime_get+0x3e/0xc0
[ 241.809302] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 241.813824] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 241.818353] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 241.822916] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 241.827472] [<ffffffff813ac761>] dpm_resume+0x111/0x240
[ 241.832060] [<ffffffff813acaac>] dpm_resume_end+0xc/0x20
[ 241.836627] [<ffffffff81088bbd>] suspend_devices_and_enter+0x21d/0x440
[ 241.841219] [<ffffffff81088f50>] pm_suspend+0x170/0x250
[ 241.845802] [<ffffffff81087f87>] state_store+0x97/0xa0
[ 241.850366] [<ffffffff812b44cf>] kobj_attr_store+0xf/0x20
[ 241.854900] [<ffffffff811d45b1>] sysfs_write_file+0xc1/0x140
[ 241.859422] [<ffffffff811665d8>] vfs_write+0xb8/0x1e0
[ 241.863912] [<ffffffff81167004>] SyS_write+0x44/0xa0
[ 241.868356] [<ffffffff8156c862>] system_call_fastpath+0x16/0x1b
[ 241.872849] INFO: task kworker/u12:95:2557 blocked for more than 120 seconds.
[ 241.877386] Not tainted 3.12.15-peter #11
[ 241.881942] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 241.886611] kworker/u12:95 D ffff88012fc92f80 0 2557 2 0x00000000
[ 241.891355] Workqueue: events_unbound async_run_entry_fn
[ 241.896108] ffff8800cd06bb50 0000000000000046 ffff8800cd06bfd8 0000000000012f80
[ 241.900978] ffff8800cd06bfd8 0000000000012f80 ffff880129580700 ffff880121133540
[ 241.905857] 0000000000000000 ffff8800cd06bbc0 ffff8800cd06bc34 0000000000001388
[ 241.910801] Call Trace:
[ 241.915686] [<ffffffff815637d4>] schedule+0x24/0x70
[ 241.920660] [<ffffffffa00e3675>] usb_kill_urb+0x75/0xb0 [usbcore]
[ 241.925654] [<ffffffff81067ca0>] ? wake_up_atomic_t+0x30/0x30
[ 241.930681] [<ffffffffa00e3d78>] usb_start_wait_urb+0xc8/0x150 [usbcore]
[ 241.935743] [<ffffffffa00e3ebc>] usb_control_msg+0xbc/0x100 [usbcore]
[ 241.940833] [<ffffffffa00e4163>] usb_get_status+0x73/0xc0 [usbcore]
[ 241.945932] [<ffffffffa00dcb4c>] usb_port_resume+0x2ac/0x5c0 [usbcore]
[ 241.951052] [<ffffffffa00efd80>] generic_resume+0x10/0x30 [usbcore]
[ 241.956206] [<ffffffffa00e726f>] usb_resume_both+0xff/0x140 [usbcore]
[ 241.961337] [<ffffffffa00d7240>] ? usb_dev_thaw+0x10/0x10 [usbcore]
[ 241.966468] [<ffffffffa00e7daa>] usb_resume+0x1a/0xd0 [usbcore]
[ 241.971593] [<ffffffffa00d7240>] ? usb_dev_thaw+0x10/0x10 [usbcore]
[ 241.976744] [<ffffffffa00d724e>] usb_dev_resume+0xe/0x10 [usbcore]
[ 241.981926] [<ffffffff813aafe4>] dpm_run_callback+0x44/0x90
[ 241.987152] [<ffffffff813ab12e>] device_resume+0xbe/0x1e0
[ 241.992414] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 241.997710] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.003015] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.008362] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.013703] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.019092] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.024394] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.029662] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.034887] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.040107] INFO: task kworker/u12:96:2558 blocked for more than 120 seconds.
[ 242.045357] Not tainted 3.12.15-peter #11
[ 242.050566] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.055841] kworker/u12:96 D ffff88012fcd2f80 0 2558 2 0x00000000
[ 242.061241] Workqueue: events_unbound async_run_entry_fn
[ 242.066591] ffff8800cd06dca0 0000000000000046 ffff8800cd06dfd8 0000000000012f80
[ 242.072086] ffff8800cd06dfd8 0000000000012f80 ffff880129582740 ffff880121098150
[ 242.077576] 7fffffffffffffff ffff880121098148 ffff880129582740 0000000000000180
[ 242.083038] Call Trace:
[ 242.088428] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.093829] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 242.099218] [<ffffffff810793c0>] ? __enqueue_entity+0x70/0x80
[ 242.104606] [<ffffffff8107a153>] ? select_task_rq_fair+0x563/0x700
[ 242.109978] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 242.115334] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 242.120680] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 242.125987] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 242.131265] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 242.136493] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.141729] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.146929] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.152123] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.157324] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.162466] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.167630] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.172783] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.177968] INFO: task kworker/u12:97:2559 blocked for more than 120 seconds.
[ 242.183190] Not tainted 3.12.15-peter #11
[ 242.188407] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.193719] kworker/u12:97 D ffff88012fcd2f80 0 2559 2 0x00000000
[ 242.199098] Workqueue: events_unbound async_run_entry_fn
[ 242.204475] ffff8800cd06fca0 0000000000000046 ffff8800cd06ffd8 0000000000012f80
[ 242.209973] ffff8800cd06ffd8 0000000000012f80 ffff880129584780 ffff8801215cf0f8
[ 242.215492] 7fffffffffffffff ffff8801215cf0f0 ffff880129584780 0000000000000180
[ 242.221015] Call Trace:
[ 242.226461] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.231968] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 242.237411] [<ffffffff810793c0>] ? __enqueue_entity+0x70/0x80
[ 242.242854] [<ffffffff8107a153>] ? select_task_rq_fair+0x563/0x700
[ 242.248309] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 242.253793] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 242.259272] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 242.264701] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 242.270087] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 242.275417] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.280695] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.285940] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.291139] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.296356] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.301532] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.306700] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.311851] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.317019] INFO: task kworker/u12:98:2560 blocked for more than 120 seconds.
[ 242.322229] Not tainted 3.12.15-peter #11
[ 242.327428] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.332716] kworker/u12:98 D ffff88012fcd2f80 0 2560 2 0x00000000
[ 242.338068] Workqueue: events_unbound async_run_entry_fn
[ 242.343399] ffff8800cd071ca0 0000000000000046 ffff8800cd071fd8 0000000000012f80
[ 242.348829] ffff8800cd071fd8 0000000000012f80 ffff8801295887c0 ffff880121098150
[ 242.354248] 7fffffffffffffff ffff880121098148 ffff8801295887c0 0000000000000180
[ 242.359674] Call Trace:
[ 242.365021] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.370407] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 242.375799] [<ffffffff810793c0>] ? __enqueue_entity+0x70/0x80
[ 242.381177] [<ffffffff8107a153>] ? select_task_rq_fair+0x563/0x700
[ 242.386566] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 242.391969] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 242.397377] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 242.402770] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 242.408159] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 242.413528] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.418893] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.424252] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.429593] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.434943] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.440239] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.445535] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.450774] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.455994] INFO: task kworker/u12:110:2572 blocked for more than 120 seconds.
[ 242.461227] Not tainted 3.12.15-peter #11
[ 242.466418] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.471703] kworker/u12:110 D ffff88012fc12f80 0 2572 2 0x00000000
[ 242.477043] Workqueue: events_unbound async_run_entry_fn
[ 242.482321] ffff8800cd089b50 0000000000000046 ffff8800cd089fd8 0000000000012f80
[ 242.487705] ffff8800cd089fd8 0000000000012f80 ffff8801295ac280 ffff8801265c5600
[ 242.493098] 0000000000000000 ffff8800cd089bc0 ffff8800cd089c34 0000000000001388
[ 242.498523] Call Trace:
[ 242.503881] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.509292] [<ffffffffa00e3675>] usb_kill_urb+0x75/0xb0 [usbcore]
[ 242.514707] [<ffffffff81067ca0>] ? wake_up_atomic_t+0x30/0x30
[ 242.520150] [<ffffffffa00e3d78>] usb_start_wait_urb+0xc8/0x150 [usbcore]
[ 242.525631] [<ffffffffa00e3ebc>] usb_control_msg+0xbc/0x100 [usbcore]
[ 242.531124] [<ffffffffa00e4163>] usb_get_status+0x73/0xc0 [usbcore]
[ 242.536627] [<ffffffffa00dcb4c>] usb_port_resume+0x2ac/0x5c0 [usbcore]
[ 242.542200] [<ffffffffa00efd80>] generic_resume+0x10/0x30 [usbcore]
[ 242.547782] [<ffffffffa00e726f>] usb_resume_both+0xff/0x140 [usbcore]
[ 242.553362] [<ffffffffa00d7240>] ? usb_dev_thaw+0x10/0x10 [usbcore]
[ 242.558945] [<ffffffffa00e7daa>] usb_resume+0x1a/0xd0 [usbcore]
[ 242.564517] [<ffffffffa00d7240>] ? usb_dev_thaw+0x10/0x10 [usbcore]
[ 242.570095] [<ffffffffa00d724e>] usb_dev_resume+0xe/0x10 [usbcore]
[ 242.575644] [<ffffffff813aafe4>] dpm_run_callback+0x44/0x90
[ 242.581148] [<ffffffff813ab12e>] device_resume+0xbe/0x1e0
[ 242.586608] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 242.592008] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.597356] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.602672] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.607944] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.613231] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.618488] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.623721] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.628954] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.634226] INFO: task kworker/u12:111:2573 blocked for more than 120 seconds.
[ 242.639551] Not tainted 3.12.15-peter #11
[ 242.644865] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.650275] kworker/u12:111 D ffff88012fcd2f80 0 2573 2 0x00000000
[ 242.655678] Workqueue: events_unbound async_run_entry_fn
[ 242.661070] ffff8800cd08bca0 0000000000000046 ffff8800cd08bfd8 0000000000012f80
[ 242.666588] ffff8800cd08bfd8 0000000000012f80 ffff8801295ae2c0 ffff8801294e3950
[ 242.672109] 7fffffffffffffff ffff8801294e3948 ffff8801295ae2c0 0000000000000180
[ 242.677653] Call Trace:
[ 242.683131] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.688654] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 242.694169] [<ffffffff810793c0>] ? __enqueue_entity+0x70/0x80
[ 242.699675] [<ffffffff8107a153>] ? select_task_rq_fair+0x563/0x700
[ 242.705180] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 242.710681] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 242.716170] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 242.721605] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 242.726998] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 242.732333] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.737621] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.742878] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.748088] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.753316] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.758513] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.763702] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.768876] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.774070] INFO: task kworker/u12:112:2574 blocked for more than 120 seconds.
[ 242.779331] Not tainted 3.12.15-peter #11
[ 242.784585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.789932] kworker/u12:112 D ffff88012fcd2f80 0 2574 2 0x00000000
[ 242.795341] Workqueue: events_unbound async_run_entry_fn
[ 242.800737] ffff8800cd08dca0 0000000000000046 ffff8800cd08dfd8 0000000000012f80
[ 242.806254] ffff8800cd08dfd8 0000000000012f80 ffff8801295b0300 ffff8801216c78f8
[ 242.811787] 7fffffffffffffff ffff8801216c78f0 ffff8801295b0300 0000000000000180
[ 242.817339] Call Trace:
[ 242.822823] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.828354] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 242.833877] [<ffffffff810793c0>] ? __enqueue_entity+0x70/0x80
[ 242.839394] [<ffffffff8107a153>] ? select_task_rq_fair+0x563/0x700
[ 242.844908] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 242.850415] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 242.855908] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 242.861348] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 242.866750] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 242.872089] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 242.877382] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 242.882644] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 242.887857] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 242.893090] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 242.898283] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.903464] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 242.908629] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 242.913813] INFO: task kworker/u12:113:2575 blocked for more than 120 seconds.
[ 242.919039] Not tainted 3.12.15-peter #11
[ 242.924227] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.929530] kworker/u12:113 D ffff88012fcd2f80 0 2575 2 0x00000000
[ 242.934893] Workqueue: events_unbound async_run_entry_fn
[ 242.940311] ffff8800cd08fca0 0000000000000046 ffff8800cd08ffd8 0000000000012f80
[ 242.945817] ffff8800cd08ffd8 0000000000012f80 ffff8801295b4340 ffff8801294e3950
[ 242.951317] 7fffffffffffffff ffff8801294e3948 ffff8801295b4340 0000000000000180
[ 242.956818] Call Trace:
[ 242.962245] [<ffffffff815637d4>] schedule+0x24/0x70
[ 242.967710] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 242.973176] [<ffffffff810793c0>] ? __enqueue_entity+0x70/0x80
[ 242.978634] [<ffffffff8107a153>] ? select_task_rq_fair+0x563/0x700
[ 242.984104] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 242.989582] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 242.995069] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 243.000542] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 243.006015] [<ffffffff813ab268>] async_resume+0x18/0x40
[ 243.011471] [<ffffffff8106da72>] async_run_entry_fn+0x32/0x130
[ 243.016920] [<ffffffff8105fe12>] process_one_work+0x172/0x410
[ 243.022363] [<ffffffff81060a19>] worker_thread+0x119/0x390
[ 243.027789] [<ffffffff81060900>] ? manage_workers.isra.25+0x2a0/0x2a0
[ 243.033223] [<ffffffff81066f4b>] kthread+0xbb/0xc0
[ 243.038601] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 243.043976] [<ffffffff8156c7bc>] ret_from_fork+0x7c/0xb0
[ 243.049295] [<ffffffff81066e90>] ? kthread_create_on_node+0x110/0x110
[ 363.112477] INFO: task s2ram:2466 blocked for more than 120 seconds.
[ 363.117812] Not tainted 3.12.15-peter #11
[ 363.122999] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 363.128290] s2ram D ffff88012fc92f80 0 2466 2382 0x00000000
[ 363.133631] ffff880121b6dc60 0000000000000086 ffff880121b6dfd8 0000000000012f80
[ 363.138980] ffff880121b6dfd8 0000000000012f80 ffff880129136100 ffff8801215cf0f8
[ 363.144314] 7fffffffffffffff ffff8801215cf0f0 ffff880129136100 0000000000000000
[ 363.149689] Call Trace:
[ 363.154992] [<ffffffff815637d4>] schedule+0x24/0x70
[ 363.160331] [<ffffffff81560f39>] schedule_timeout+0x209/0x2a0
[ 363.165665] [<ffffffff8140235f>] ? input_pass_values.part.4+0x4f/0x160
[ 363.171015] [<ffffffff8109c6de>] ? ktime_get+0x3e/0xc0
[ 363.176361] [<ffffffff81562611>] wait_for_completion+0x91/0x100
[ 363.181727] [<ffffffff81075900>] ? wake_up_state+0x10/0x10
[ 363.187104] [<ffffffff813ab05f>] dpm_wait+0x2f/0x40
[ 363.192473] [<ffffffff813ab0e0>] device_resume+0x70/0x1e0
[ 363.197837] [<ffffffff813ac761>] dpm_resume+0x111/0x240
[ 363.203194] [<ffffffff813acaac>] dpm_resume_end+0xc/0x20
[ 363.208526] [<ffffffff81088bbd>] suspend_devices_and_enter+0x21d/0x440
[ 363.213878] [<ffffffff81088f50>] pm_suspend+0x170/0x250
[ 363.219208] [<ffffffff81087f87>] state_store+0x97/0xa0
[ 363.224512] [<ffffffff812b44cf>] kobj_attr_store+0xf/0x20
[ 363.229809] [<ffffffff811d45b1>] sysfs_write_file+0xc1/0x140
[ 363.235067] [<ffffffff811665d8>] vfs_write+0xb8/0x1e0
[ 363.240277] [<ffffffff81167004>] SyS_write+0x44/0xa0
[ 363.245412] [<ffffffff8156c862>] system_call_fastpath+0x16/0x1b
