-- Logs begin at Mo 2017-01-02 10:36:27 CET, end at Mo 2017-01-02 12:55:02 CET. --
Jan 02 10:36:27 hostname kernel: ACPI: RSDP 0x00000000000F0450 000024 (v02 INTEL )
Jan 02 10:36:27 hostname kernel: ACPI: XSDT 0x00000000BC6B8070 000064 (v01 INTEL  DQ67OW   01072009 AMI  00010013)
Jan 02 10:36:27 hostname kernel: ACPI: FACP 0x00000000BC6BFB50 0000F4 (v04 INTEL  DQ67OW   01072009 AMI  00010013)
Jan 02 10:36:27 hostname kernel: ACPI: DSDT 0x00000000BC6B8168 0079E1 (v02 INTEL  DQ67OW   00000016 INTL 20051117)
Jan 02 10:36:27 hostname kernel: ACPI: FACS 0x00000000BC8D7F80 000040
Jan 02 10:36:27 hostname kernel: ACPI: APIC 0x00000000BC6BFC48 000092 (v03 INTEL  DQ67OW   01072009 AMI  00010013)
Jan 02 10:36:27 hostname kernel: ACPI: TCPA 0x00000000BC6BFCE0 000032 (v02 INTEL  DQ67OW   00000001 MSFT 01000013)
Jan 02 10:36:27 hostname kernel: ACPI: SSDT 0x00000000BC6BFD18 0001D6 (v01 INTEL  DQ67OW   00000001 MSFT 03000001)
Jan 02 10:36:27 hostname kernel: ACPI: MCFG 0x00000000BC6BFEF0 00003C (v01 INTEL  DQ67OW   01072009 MSFT 00000097)
Jan 02 10:36:27 hostname kernel: ACPI: HPET 0x00000000BC6BFF30 000038 (v01 INTEL  DQ67OW   01072009 AMI. 00000004)
Jan 02 10:36:27 hostname kernel: ACPI: ASF! 0x00000000BC6BFF68 0000A0 (v32 INTEL  DQ67OW   00000001 TFSM 000F4240)
Jan 02 10:36:27 hostname kernel: ACPI: DMAR 0x00000000BC6C0008 0000E8 (v01 INTEL  DQ67OW   00000001 INTL 00000001)
Jan 02 10:36:27 hostname kernel: ACPI: 2 ACPI AML tables successfully acquired and loaded
Jan 02 10:36:27 hostname kernel: ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
Jan 02 10:36:27 hostname kernel: ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
Jan 02 10:36:27 hostname kernel:  #2 #3 #4 #5 #6 #7
Jan 02 10:36:27 hostname kernel: PCCT header not found.
Jan 02 10:36:27 hostname kernel: ACPI: Executed 1 blocks of module-level executable AML code
Jan 02 10:36:27 hostname kernel: ACPI: Dynamic OEM Table Load:
Jan 02 10:36:27 hostname kernel: ACPI: SSDT 0xFFFF88042BBC1800 0006F4 (v01 AMI    IST      00000001 MSFT 03000001)
Jan 02 10:36:27 hostname kernel: ACPI: Dynamic OEM Table Load:
Jan 02 10:36:27 hostname kernel: ACPI: SSDT 0xFFFF88042B720300 0000E4 (v01 AMI    CST      00000001 MSFT 03000001)
Jan 02 10:36:27 hostname kernel: pmd_set_huge: Cannot satisfy [mem 0xe0000000-0xe0200000] with a huge-page mapping due to MTRR override.
Jan 02 10:36:27 hostname kernel: ACPI: Enabled 3 GPEs in block 00 to 3F
Jan 02 10:36:27 hostname kernel: pci 0000:00:02.0: BIOS left Intel GPU interrupts enabled; disabling
Jan 02 10:36:27 hostname kernel: i915: unknown parameter 'i915_enable_rc6' ignored
Jan 02 10:36:27 hostname kernel: i915: unknown parameter 'i915_enable_fbc' ignored
Jan 02 10:36:27 hostname kernel: i915: unknown parameter 'lvds_downclock' ignored
Jan 02 10:36:27 hostname kernel: Setting dangerous option semaphores - tainting kernel
Jan 02 10:36:27 hostname systemd-fstab-generator[469]: Checking was requested for "none", but it is not a device.
Jan 02 10:36:31 hostname systemd-udevd[574]: Process '/lib/udev/hdparm' failed with exit code 5.
Jan 02 10:36:31 hostname systemd-udevd[592]: Process '/lib/udev/hdparm' failed with exit code 5.
Jan 02 10:36:31 hostname systemd-udevd[588]: Process '/sbin/mdadm --incremental /dev/sda3 --offroot' failed with exit code 1.
Jan 02 10:36:31 hostname systemd-udevd[590]: Process '/sbin/mdadm --incremental /dev/sdb3 --offroot' failed with exit code 1.
Jan 02 10:36:32 hostname systemd-tmpfiles[713]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Jan 02 10:36:32 hostname kernel: BTRFS error (device dm-0): could not find root 8
Jan 02 10:36:32 hostname kernel: BTRFS error (device dm-0): could not find root 8
Jan 02 10:36:36 hostname kernel: cgroup: new mount options do not match the existing superblock, will be ignored
Jan 02 10:37:03 hostname acpid[909]: input device has been disconnected, fd 6
Jan 02 10:45:03 hostname mdadm[964]: RebuildStarted event detected on md device /dev/md/0
Jan 02 10:45:03 hostname mdadm[964]: RebuildFinished event detected on md device /dev/md/0
Jan 02 10:47:43 hostname acpid[909]: input device has been disconnected, fd 6
Jan 02 10:50:40 hostname systemd-tmpfiles[2907]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Jan 02 10:51:08 hostname acpid[909]: input device has been disconnected, fd 6
Jan 02 11:01:43 hostname mdadm[964]: RebuildStarted event detected on md device /dev/md/0
Jan 02 11:03:30 hostname kernel: INFO: task postgres:1410 blocked for more than 120 seconds.
Jan 02 11:03:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:03:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:03:30 hostname kernel:  ffff88042910faa8 ffff880425a51c00 ffff88042b991c00 ffff880426b8b800
Jan 02 11:03:30 hostname kernel:  ffff880429110000 ffff88042b379c20 ffff88042b379c18 ffff880426b8b800
Jan 02 11:03:30 hostname kernel:  ffff88042af3ad10 ffff88042910fac0 ffffffff818333f5 7fffffffffffffff
Jan 02 11:03:30 hostname kernel: Call Trace:
Jan 02 11:03:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:03:30 hostname kernel:  [<ffffffff81836515>] schedule_timeout+0x1b5/0x270
Jan 02 11:03:30 hostname kernel:  [<ffffffff810ac545>] ? wake_up_process+0x15/0x20
Jan 02 11:03:30 hostname kernel:  [<ffffffff810985c1>] ? insert_work+0x81/0xc0
Jan 02 11:03:30 hostname kernel:  [<ffffffff81833e53>] wait_for_completion+0xb3/0x140
Jan 02 11:03:30 hostname kernel:  [<ffffffff810ac5c0>] ? wake_up_q+0x70/0x70
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04cfd97>] btrfs_async_run_delayed_refs+0x127/0x150 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04ebde7>] __btrfs_end_transaction+0x1f7/0x340 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04ebf40>] btrfs_end_transaction+0x10/0x20 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04fa639>] btrfs_create+0x79/0x210 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffff8121a525>] vfs_create+0xc5/0x120
Jan 02 11:03:30 hostname kernel:  [<ffffffff8121dcec>] path_openat+0x120c/0x1330
Jan 02 11:03:30 hostname kernel:  [<ffffffff8171db12>] ? skb_free_datagram_locked+0x82/0xc0
Jan 02 11:03:30 hostname kernel:  [<ffffffff8121f001>] do_filp_open+0x91/0x100
Jan 02 11:03:30 hostname kernel:  [<ffffffff8122c8f6>] ? __alloc_fd+0x46/0x190
Jan 02 11:03:30 hostname kernel:  [<ffffffff8120d858>] do_sys_open+0x138/0x2a0
Jan 02 11:03:30 hostname kernel:  [<ffffffff8120d9de>] SyS_open+0x1e/0x20
Jan 02 11:03:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 11:03:30 hostname kernel: INFO: task apt-check:4525 blocked for more than 120 seconds.
Jan 02 11:03:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:03:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:03:30 hostname kernel:  ffff8803dc1a7b28 ffff8803e886c600 ffff88042b992a00 ffff880425a53800
Jan 02 11:03:30 hostname kernel:  ffff8803dc1a8000 ffff88042741c3e0 ffff88042741c3d8 ffff880425a53800
Jan 02 11:03:30 hostname kernel:  ffff88042af3bed8 ffff8803dc1a7b40 ffffffff818333f5 7fffffffffffffff
Jan 02 11:03:30 hostname kernel: Call Trace:
Jan 02 11:03:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:03:30 hostname kernel:  [<ffffffff81836515>] schedule_timeout+0x1b5/0x270
Jan 02 11:03:30 hostname kernel:  [<ffffffff810ac545>] ? wake_up_process+0x15/0x20
Jan 02 11:03:30 hostname kernel:  [<ffffffff810985c1>] ? insert_work+0x81/0xc0
Jan 02 11:03:30 hostname kernel:  [<ffffffff81833e53>] wait_for_completion+0xb3/0x140
Jan 02 11:03:30 hostname kernel:  [<ffffffff810ac5c0>] ? wake_up_q+0x70/0x70
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04cfd97>] btrfs_async_run_delayed_refs+0x127/0x150 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04ebde7>] __btrfs_end_transaction+0x1f7/0x340 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04ebf40>] btrfs_end_transaction+0x10/0x20 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04f11f1>] btrfs_dirty_inode+0x61/0xd0 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffffc04f12df>] btrfs_update_time+0x7f/0xc0 [btrfs]
Jan 02 11:03:30 hostname kernel:  [<ffffffff8122b358>] touch_atime+0xa8/0xd0
Jan 02 11:03:30 hostname kernel:  [<ffffffff81190927>] generic_file_read_iter+0x537/0x5c0
Jan 02 11:03:30 hostname kernel:  [<ffffffff81213b93>] ? cp_new_stat+0x153/0x180
Jan 02 11:03:30 hostname kernel:  [<ffffffff8120e1d4>] new_sync_read+0x94/0xd0
Jan 02 11:03:30 hostname kernel:  [<ffffffff8120e236>] __vfs_read+0x26/0x40
Jan 02 11:03:30 hostname kernel:  [<ffffffff8120e7f6>] vfs_read+0x86/0x130
Jan 02 11:03:30 hostname kernel:  [<ffffffff8120f545>] SyS_read+0x55/0xc0
Jan 02 11:03:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 11:59:30 hostname kernel: INFO: task postgres:1360 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff880429583e48 ffff880429583e20 ffff88042b991c00 ffff880035a72a00
Jan 02 11:59:30 hostname kernel:  ffff880429584000 ffff880424a3074c ffff880035a72a00 00000000ffffffff
Jan 02 11:59:30 hostname kernel:  ffff880424a30750 ffff880429583e60 ffffffff818333f5 ffff880424a30748
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183369e>] schedule_preempt_disabled+0xe/0x10
Jan 02 11:59:30 hostname kernel:  [<ffffffff818352d9>] __mutex_lock_slowpath+0xb9/0x130
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183536f>] mutex_lock+0x1f/0x30
Jan 02 11:59:30 hostname kernel:  [<ffffffff8122cde1>] __fdget_pos+0x41/0x50
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120f5de>] SyS_write+0x2e/0xc0
Jan 02 11:59:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 11:59:30 hostname kernel: INFO: task postgres:1361 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff8804295e3b88 0001000000000001 ffff88042b990e00 ffff8800b6f54600
Jan 02 11:59:30 hostname kernel:  ffff8804295e4000 ffff8804250879f0 ffff880425087800 ffff8804250879f0
Jan 02 11:59:30 hostname kernel:  0000000000000001 ffff8804295e3ba0 ffffffff818333f5 ffff880428570bd0
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04e9fd3>] wait_current_trans.isra.21+0xd3/0x120 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff810c4240>] ? wake_atomic_t_function+0x60/0x60
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04eb8f5>] start_transaction+0x2c5/0x4b0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04ebaf8>] btrfs_start_transaction+0x18/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04fa60a>] btrfs_create+0x4a/0x210 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff8121a525>] vfs_create+0xc5/0x120
Jan 02 11:59:30 hostname kernel:  [<ffffffff8121dcec>] path_openat+0x120c/0x1330
Jan 02 11:59:30 hostname kernel:  [<ffffffff8171db12>] ? skb_free_datagram_locked+0x82/0xc0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8121f001>] do_filp_open+0x91/0x100
Jan 02 11:59:30 hostname kernel:  [<ffffffff8122c8f6>] ? __alloc_fd+0x46/0x190
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120d858>] do_sys_open+0x138/0x2a0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120d9de>] SyS_open+0x1e/0x20
Jan 02 11:59:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 11:59:30 hostname kernel: INFO: task postgres:1409 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff8804290cfe48 ffff8804290cfe20 ffffffff81e11500 ffff880426b8f000
Jan 02 11:59:30 hostname kernel:  ffff8804290d0000 ffff880426803a4c ffff880426b8f000 00000000ffffffff
Jan 02 11:59:30 hostname kernel:  ffff880426803a50 ffff8804290cfe60 ffffffff818333f5 ffff880426803a48
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183369e>] schedule_preempt_disabled+0xe/0x10
Jan 02 11:59:30 hostname kernel:  [<ffffffff818352d9>] __mutex_lock_slowpath+0xb9/0x130
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183536f>] mutex_lock+0x1f/0x30
Jan 02 11:59:30 hostname kernel:  [<ffffffff8122cde1>] __fdget_pos+0x41/0x50
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120f5de>] SyS_write+0x2e/0xc0
Jan 02 11:59:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 11:59:30 hostname kernel: INFO: task postgres:1410 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff88042910fb88 0001000000000001 ffff88042b991c00 ffff880426b8b800
Jan 02 11:59:30 hostname kernel:  ffff880429110000 ffff8804250879f0 ffff880425087800 ffff8804250879f0
Jan 02 11:59:30 hostname kernel:  0000000000000001 ffff88042910fba0 ffffffff818333f5 ffff880428570bd0
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04e9fd3>] wait_current_trans.isra.21+0xd3/0x120 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff810c4240>] ? wake_atomic_t_function+0x60/0x60
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04eb8f5>] start_transaction+0x2c5/0x4b0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04ebaf8>] btrfs_start_transaction+0x18/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04fa60a>] btrfs_create+0x4a/0x210 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff8121a525>] vfs_create+0xc5/0x120
Jan 02 11:59:30 hostname kernel:  [<ffffffff8121dcec>] path_openat+0x120c/0x1330
Jan 02 11:59:30 hostname kernel:  [<ffffffff8171db12>] ? skb_free_datagram_locked+0x82/0xc0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8121f001>] do_filp_open+0x91/0x100
Jan 02 11:59:30 hostname kernel:  [<ffffffff8122c8f6>] ? __alloc_fd+0x46/0x190
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120d858>] do_sys_open+0x138/0x2a0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120d9de>] SyS_open+0x1e/0x20
Jan 02 11:59:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 11:59:30 hostname kernel: INFO: task kworker/u16:0:8239 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff8803d2217c48 ffff8800b7f836f0 ffffffff81e11500 ffff8800b6ea4600
Jan 02 11:59:30 hostname kernel:  ffff8803d2218000 ffff8804250879f0 ffff880425087800 ffff8804250879f0
Jan 02 11:59:30 hostname kernel:  0000000000000001 ffff8803d2217c60 ffffffff818333f5 ffff880428570bd0
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04e9fd3>] wait_current_trans.isra.21+0xd3/0x120 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff810c4240>] ? wake_atomic_t_function+0x60/0x60
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04eb8a5>] start_transaction+0x275/0x4b0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04ebb37>] btrfs_join_transaction+0x17/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04f42a5>] btrfs_finish_ordered_io+0x435/0x650 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04f47a5>] finish_ordered_fn+0x15/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc051ceba>] btrfs_scrubparity_helper+0xca/0x2f0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc051d16e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a575>] process_one_work+0x165/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a8db>] worker_thread+0x4b/0x4c0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a890>] ? process_one_work+0x480/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0c08>] kthread+0xd8/0xf0
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0b30>] ? kthread_create_on_node+0x1e0/0x1e0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183788f>] ret_from_fork+0x3f/0x70
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0b30>] ? kthread_create_on_node+0x1e0/0x1e0
Jan 02 11:59:30 hostname kernel: INFO: task kworker/u16:3:9250 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff8803d20cfc48 ffff88042a228810 ffff88042b995400 ffff8800b6ea6200
Jan 02 11:59:30 hostname kernel:  ffff8803d20d0000 ffff8804250879f0 ffff880425087800 ffff8804250879f0
Jan 02 11:59:30 hostname kernel:  0000000000000001 ffff8803d20cfc60 ffffffff818333f5 ffff880428570bd0
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04e9fd3>] wait_current_trans.isra.21+0xd3/0x120 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff810c4240>] ? wake_atomic_t_function+0x60/0x60
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04eb8a5>] start_transaction+0x275/0x4b0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04ebb37>] btrfs_join_transaction+0x17/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04f42a5>] btrfs_finish_ordered_io+0x435/0x650 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04f47a5>] finish_ordered_fn+0x15/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc051ceba>] btrfs_scrubparity_helper+0xca/0x2f0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc051d16e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a575>] process_one_work+0x165/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a8db>] worker_thread+0x4b/0x4c0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a890>] ? process_one_work+0x480/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a890>] ? process_one_work+0x480/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0c08>] kthread+0xd8/0xf0
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0b30>] ? kthread_create_on_node+0x1e0/0x1e0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183788f>] ret_from_fork+0x3f/0x70
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0b30>] ? kthread_create_on_node+0x1e0/0x1e0
Jan 02 11:59:30 hostname kernel: INFO: task kworker/u16:2:13965 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff8800a456fc48 ffff8800b7f28bf8 ffff88042b995400 ffff8800b6f32a00
Jan 02 11:59:30 hostname kernel:  ffff8800a4570000 ffff8804250879f0 ffff880425087800 ffff8804250879f0
Jan 02 11:59:30 hostname kernel:  0000000000000001 ffff8800a456fc60 ffffffff818333f5 ffff880428570bd0
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04e9fd3>] wait_current_trans.isra.21+0xd3/0x120 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff810c4240>] ? wake_atomic_t_function+0x60/0x60
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04eb8a5>] start_transaction+0x275/0x4b0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04ebb37>] btrfs_join_transaction+0x17/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04f42a5>] btrfs_finish_ordered_io+0x435/0x650 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04f47a5>] finish_ordered_fn+0x15/0x20 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc051ceba>] btrfs_scrubparity_helper+0xca/0x2f0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc051d16e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a575>] process_one_work+0x165/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a8db>] worker_thread+0x4b/0x4c0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8109a890>] ? process_one_work+0x480/0x480
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0c08>] kthread+0xd8/0xf0
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0b30>] ? kthread_create_on_node+0x1e0/0x1e0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8183788f>] ret_from_fork+0x3f/0x70
Jan 02 11:59:30 hostname kernel:  [<ffffffff810a0b30>] ? kthread_create_on_node+0x1e0/0x1e0
Jan 02 11:59:30 hostname kernel: INFO: task postgres:15026 blocked for more than 120 seconds.
Jan 02 11:59:30 hostname kernel:       Tainted: G     U          4.4.0-57-generic #78-Ubuntu
Jan 02 11:59:30 hostname kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 02 11:59:30 hostname kernel:  ffff8803d240fba8 ffff88042a228810 ffffffff81e11500 ffff8803e8868e00
Jan 02 11:59:30 hostname kernel:  ffff8803d2410000 ffff88042a22882c ffff88042a228810 0000000000003000
Jan 02 11:59:30 hostname kernel:  ffff88042ade1f60 ffff8803d240fbc0 ffffffff818333f5 0000000000003fff
Jan 02 11:59:30 hostname kernel: Call Trace:
Jan 02 11:59:30 hostname kernel:  [<ffffffff818333f5>] schedule+0x35/0x80
Jan 02 11:59:30 hostname kernel:  [<ffffffffc050a012>] lock_extent_bits+0x1a2/0x1f0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff810c4240>] ? wake_atomic_t_function+0x60/0x60
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04fcfc0>] lock_and_cleanup_extent_if_need+0xe0/0x1f0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffffc04fe116>] __btrfs_buffered_write+0x1d6/0x5f0 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff811be283>] ? wp_page_copy.isra.56+0x333/0x550
Jan 02 11:59:30 hostname kernel:  [<ffffffffc0501a11>] btrfs_file_write_iter+0x171/0x560 [btrfs]
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120df5b>] new_sync_write+0x9b/0xe0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120dfc6>] __vfs_write+0x26/0x40
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120e949>] vfs_write+0xa9/0x1a0
Jan 02 11:59:30 hostname kernel:  [<ffffffff8120f605>] SyS_write+0x55/0xc0
Jan 02 11:59:30 hostname kernel:  [<ffffffff818374f2>] entry_SYSCALL_64_fastpath+0x16/0x71
Jan 02 12:08:24 hostname mdadm[964]: Rebuild20 event detected on md device /dev/md/0
Jan 02 12:11:03 hostname systemd-fstab-generator[17945]: Checking was requested for "none", but it is not a device.