Aug  6 08:44:20 ubuntu1504srv kernel: [  840.013697] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014518] kworker/0:0     D ffff88005ad43a88     0  5304      2 0x00000000
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014529] Workqueue: events hot_add_req [hv_balloon]
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014531]  ffff88005ad43a88 ffff88005c39f5c0 0000000000014240 ffff88005ad43fd8
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014533]  0000000000014240 ffff8800583e93a0 ffff88005c39f5c0 0000000000000000
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014535]  ffff88005a272c98 ffff88005a272c9c ffff88005c39f5c0 00000000ffffffff
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014538] Call Trace:
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014546]  [<ffffffff817c72d9>] schedule_preempt_disabled+0x29/0x70
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014549]  [<ffffffff817c9195>] __mutex_lock_slowpath+0x95/0x100
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014552]  [<ffffffff817c9223>] mutex_lock+0x23/0x40
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014555]  [<ffffffff81507c41>] device_attach+0x21/0xb0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014557]  [<ffffffff815070e0>] bus_probe_device+0xa0/0xc0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014561]  [<ffffffff81504ccf>] device_add+0x4df/0x6c0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014564]  [<ffffffff81504ece>] device_register+0x1e/0x30
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014567]  [<ffffffff8151dd30>] init_memory_block+0xd0/0xf0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014570]  [<ffffffff8151de71>] register_new_memory+0x91/0xa0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014573]  [<ffffffff817bb12a>] __add_pages+0x12a/0x220
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014577]  [<ffffffff810616e1>] arch_add_memory+0x71/0xf0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014579]  [<ffffffff817bb3b6>] ? add_memory+0x56/0x220
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014582]  [<ffffffff817c9216>] ? mutex_lock+0x16/0x40
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014584]  [<ffffffff817bb4de>] add_memory+0x17e/0x220
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014587]  [<ffffffffc0349346>] hot_add_req+0x336/0xff0 [hv_balloon]
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014591]  [<ffffffff8108fd58>] process_one_work+0x158/0x430
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014593]  [<ffffffff8109089b>] worker_thread+0x5b/0x530
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014595]  [<ffffffff81090840>] ? rescuer_thread+0x3a0/0x3a0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014598]  [<ffffffff81095939>] kthread+0xc9/0xe0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014600]  [<ffffffff81095870>] ? kthread_create_on_node+0x1c0/0x1c0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014603]  [<ffffffff817cb658>] ret_from_fork+0x58/0x90
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014606]  [<ffffffff81095870>] ? kthread_create_on_node+0x1c0/0x1c0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.014608] INFO: task systemd-udevd:5317 blocked for more than 120 seconds.
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.015446]       Not tainted 3.19.0-26-generic #27~lp1294283
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012] systemd-udevd   D ffff88000002fc88     0  5317    245 0x00000004
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  ffff88000002fc88 ffff88003664c4b0 0000000000014240 ffff88000002ffd8
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  0000000000014240 ffff88005c0dce80 ffff88003664c4b0 000000000002fcc8
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  ffffffff81c712a8 ffffffff81c712ac ffff88003664c4b0 00000000ffffffff
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012] Call Trace:
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff817c72d9>] schedule_preempt_disabled+0x29/0x70
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff817c9195>] __mutex_lock_slowpath+0x95/0x100
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff817c9223>] mutex_lock+0x23/0x40
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff811dacfd>] mem_hotplug_begin+0x2d/0x60
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff817bb5ac>] online_pages+0x2c/0x590
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff811ac793>] ? handle_mm_fault+0xa53/0xff0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff811b2cb3>] ? mmap_region+0x1d3/0x600
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff8151d9e8>] memory_subsys_online+0x138/0x1a0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff8150568d>] device_online+0x6d/0xa0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff8151d82b>] store_mem_state+0x5b/0xe0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff81502978>] dev_attr_store+0x18/0x30
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff8126faca>] sysfs_kf_write+0x3a/0x50
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff8126ecc7>] kernfs_fop_write+0x127/0x180
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff811f4eb7>] vfs_write+0xb7/0x1f0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff811f5ac6>] SyS_write+0x46/0xb0
Aug  6 08:44:20 ubuntu1504srv kernel: [  840.016012]  [<ffffffff817cb70d>] system_call_fastpath+0x16/0x1b
Aug  6 08:34:38 ubuntu1504srv systemd[1]: message repeated 41 times: [ Time has been changed]
Aug  6 08:45:25 ubuntu1504srv systemd[1]: Starting Cleanup of Temporary Directories...
Aug  6 08:45:25 ubuntu1504srv systemd-tmpfiles[5378]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Aug  6 08:45:25 ubuntu1504srv systemd[1]: Started Cleanup of Temporary Directories.
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.012030] INFO: task kworker/0:0:5304 blocked for more than 120 seconds.
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.013031]       Not tainted 3.19.0-26-generic #27~lp1294283
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.013924] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014836] kworker/0:0     D ffff88005ad43a88     0  5304      2 0x00000000
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014848] Workqueue: events hot_add_req [hv_balloon]
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014850]  ffff88005ad43a88 ffff88005c39f5c0 0000000000014240 ffff88005ad43fd8
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014852]  0000000000014240 ffff8800583e93a0 ffff88005c39f5c0 0000000000000000
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014854]  ffff88005a272c98 ffff88005a272c9c ffff88005c39f5c0 00000000ffffffff
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014857] Call Trace:
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014865]  [<ffffffff817c72d9>] schedule_preempt_disabled+0x29/0x70
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014868]  [<ffffffff817c9195>] __mutex_lock_slowpath+0x95/0x100
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014870]  [<ffffffff817c9223>] mutex_lock+0x23/0x40
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014874]  [<ffffffff81507c41>] device_attach+0x21/0xb0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014876]  [<ffffffff815070e0>] bus_probe_device+0xa0/0xc0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014880]  [<ffffffff81504ccf>] device_add+0x4df/0x6c0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014883]  [<ffffffff81504ece>] device_register+0x1e/0x30
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014886]  [<ffffffff8151dd30>] init_memory_block+0xd0/0xf0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014889]  [<ffffffff8151de71>] register_new_memory+0x91/0xa0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014892]  [<ffffffff817bb12a>] __add_pages+0x12a/0x220
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014896]  [<ffffffff810616e1>] arch_add_memory+0x71/0xf0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014898]  [<ffffffff817bb3b6>] ? add_memory+0x56/0x220
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014901]  [<ffffffff817c9216>] ? mutex_lock+0x16/0x40
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014903]  [<ffffffff817bb4de>] add_memory+0x17e/0x220
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014906]  [<ffffffffc0349346>] hot_add_req+0x336/0xff0 [hv_balloon]
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014910]  [<ffffffff8108fd58>] process_one_work+0x158/0x430
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014912]  [<ffffffff8109089b>] worker_thread+0x5b/0x530
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014914]  [<ffffffff81090840>] ? rescuer_thread+0x3a0/0x3a0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014917]  [<ffffffff81095939>] kthread+0xc9/0xe0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014919]  [<ffffffff81095870>] ? kthread_create_on_node+0x1c0/0x1c0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014922]  [<ffffffff817cb658>] ret_from_fork+0x58/0x90
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014924]  [<ffffffff81095870>] ? kthread_create_on_node+0x1c0/0x1c0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.014927] INFO: task systemd-udevd:5317 blocked for more than 120 seconds.
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.015817]       Not tainted 3.19.0-26-generic #27~lp1294283
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.016470] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017364] systemd-udevd   D ffff88000002fc88     0  5317    245 0x00000004
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017367]  ffff88000002fc88 ffff88003664c4b0 0000000000014240 ffff88000002ffd8
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017369]  0000000000014240 ffff88005c0dce80 ffff88003664c4b0 000000000002fcc8
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017371]  ffffffff81c712a8 ffffffff81c712ac ffff88003664c4b0 00000000ffffffff
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017373] Call Trace:
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017377]  [<ffffffff817c72d9>] schedule_preempt_disabled+0x29/0x70
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017380]  [<ffffffff817c9195>] __mutex_lock_slowpath+0x95/0x100
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017382]  [<ffffffff817c9223>] mutex_lock+0x23/0x40
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017387]  [<ffffffff811dacfd>] mem_hotplug_begin+0x2d/0x60
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017390]  [<ffffffff817bb5ac>] online_pages+0x2c/0x590
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017394]  [<ffffffff811ac793>] ? handle_mm_fault+0xa53/0xff0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017396]  [<ffffffff811b2cb3>] ? mmap_region+0x1d3/0x600
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017399]  [<ffffffff8151d9e8>] memory_subsys_online+0x138/0x1a0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017401]  [<ffffffff8150568d>] device_online+0x6d/0xa0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017403]  [<ffffffff8151d82b>] store_mem_state+0x5b/0xe0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017407]  [<ffffffff81502978>] dev_attr_store+0x18/0x30
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017411]  [<ffffffff8126faca>] sysfs_kf_write+0x3a/0x50
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017414]  [<ffffffff8126ecc7>] kernfs_fop_write+0x127/0x180
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017418]  [<ffffffff811f4eb7>] vfs_write+0xb7/0x1f0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017420]  [<ffffffff811f5ac6>] SyS_write+0x46/0xb0
Aug  6 08:46:20 ubuntu1504srv kernel: [  960.017423]  [<ffffffff817cb70d>] system_call_fastpath+0x16/0x1b
Aug  6 08:47:30 ubuntu1504srv systemd[1]: Cannot determine UID from slice user-0.slice
Aug  6 08:47:30 ubuntu1504srv systemd[1]: Started Session 2 of user root.
Aug  6 08:47:30 ubuntu1504srv systemd[1]: Starting Session 2 of user root.