[  318.302387] TARGET_CORE[iSCSI]: Unsupported SCSI Opcode 0x85, sending CHECK_CONDITION.
[  318.302721] TARGET_CORE[iSCSI]: Unsupported SCSI Opcode 0x85, sending CHECK_CONDITION.
[  607.084836] ABORT_TASK: Found referenced iSCSI task_tag: 111
[  639.630399] iSCSI Login timeout on Network Portal 192.168.1.2:3260
[  840.464027] INFO: task kworker/u98:2:384 blocked for more than 120 seconds.
[  840.466149]       Not tainted 3.16.7-031607-generic #201410301735
[  840.468010] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.470425] kworker/u98:2   D 0000000000000005     0   384      2 0x00000000
[  840.470443] Workqueue: tmr-iblock target_tmr_work [target_core_mod]
[  840.470445]  ffff883fcf9abbe8 0000000000000046 0000000000000000 ffff883fcf9abfd8
[  840.470447]  00000000000143c0 00000000000143c0 ffff881fd29b9e60 ffff883fcf8c6540
[  840.470449]  ffff883fcf9abb01 ffff883fd03d96f8 7fffffffffffffff 7fffffffffffffff
[  840.470450] Call Trace:
[  840.470458]  [<ffffffff81792919>] schedule+0x29/0x70
[  840.470460]  [<ffffffff81791d35>] schedule_timeout+0x1b5/0x210
[  840.470464]  [<ffffffff810cf048>] ? console_unlock.part.16+0x228/0x2a0
[  840.470466]  [<ffffffff810cf0da>] ? console_unlock+0x1a/0x30
[  840.470468]  [<ffffffff81793bb7>] wait_for_completion+0xa7/0x160
[  840.470471]  [<ffffffff810a7d20>] ? try_to_wake_up+0x290/0x290
[  840.470477]  [<ffffffffc0487bdf>] transport_wait_for_tasks+0x6f/0x150 [target_core_mod]
[  840.470483]  [<ffffffffc0485259>] core_tmr_abort_task+0x169/0x240 [target_core_mod]
[  840.470487]  [<ffffffffc0487adf>] target_tmr_work+0xcf/0xf0 [target_core_mod]
[  840.470492]  [<ffffffff8108e6ff>] process_one_work+0x17f/0x4c0
[  840.470494]  [<ffffffff8108f46b>] worker_thread+0x11b/0x3f0
[  840.470496]  [<ffffffff8108f350>] ? create_and_start_worker+0x80/0x80
[  840.470499]  [<ffffffff81096479>] kthread+0xc9/0xe0
[  840.470501]  [<ffffffff810963b0>] ? flush_kthread_worker+0xb0/0xb0
[  840.470503]  [<ffffffff817966fc>] ret_from_fork+0x7c/0xb0
[  840.470504]  [<ffffffff810963b0>] ? flush_kthread_worker+0xb0/0xb0
[  840.470513] INFO: task iscsi_trx:2005 blocked for more than 120 seconds.
[  840.472538]       Not tainted 3.16.7-031607-generic #201410301735
[  840.474447] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.476829] iscsi_trx       D 0000000000000001     0  2005      2 0x00000000
[  840.476830]  ffff883fd0d07ba8 0000000000000046 ffff883fd0d07b68 ffff883fd0d07fd8
[  840.476832]  00000000000143c0 00000000000143c0 ffff881fd297ef60 ffff883fce9c5100
[  840.476846]  ffff883fd0d07b88 ffff883fd03d70f8 7fffffffffffffff 7fffffffffffffff
[  840.476848] Call Trace:
[  840.476850]  [<ffffffff81792919>] schedule+0x29/0x70
[  840.476852]  [<ffffffff81791d35>] schedule_timeout+0x1b5/0x210
[  840.476854]  [<ffffffff81780df8>] ? __slab_free+0xee/0x234
[  840.476861]  [<ffffffff810135c6>] ? __switch_to+0xf6/0x5c0
[  840.476869]  [<ffffffff81793bb7>] wait_for_completion+0xa7/0x160
[  840.476872]  [<ffffffff810a7d20>] ? try_to_wake_up+0x290/0x290
[  840.476877]  [<ffffffffc0487bdf>] transport_wait_for_tasks+0x6f/0x150 [target_core_mod]
[  840.476889]  [<ffffffffc05ad0b8>] ? iscsit_remove_cmd_from_response_queue+0xe8/0x120 [iscsi_target_mod]
[  840.476919]  [<ffffffffc0489ba5>] transport_generic_free_cmd+0xc5/0xe0 [target_core_mod]
[  840.476925]  [<ffffffffc05ae3a6>] iscsit_free_cmd+0x96/0x160 [iscsi_target_mod]
[  840.476930]  [<ffffffffc05b7434>] iscsit_close_connection+0x3c4/0x640 [iscsi_target_mod]
[  840.476935]  [<ffffffffc05a2aa3>] iscsit_take_action_for_connection_exit+0x83/0x110 [iscsi_target_mod]
[  840.476940]  [<ffffffffc05b64fe>] iscsi_target_rx_thread+0x22e/0x320 [iscsi_target_mod]
[  840.476944]  [<ffffffffc05b62d0>] ? iscsi_target_tx_thread+0x210/0x210 [iscsi_target_mod]
[  840.476946]  [<ffffffff81096479>] kthread+0xc9/0xe0
[  840.476948]  [<ffffffff810963b0>] ? flush_kthread_worker+0xb0/0xb0
[  840.476949]  [<ffffffff817966fc>] ret_from_fork+0x7c/0xb0
[  840.476951]  [<ffffffff810963b0>] ? flush_kthread_worker+0xb0/0xb0
[  840.476953] INFO: task iscsi_np:2036 blocked for more than 120 seconds.
[  840.478985]       Not tainted 3.16.7-031607-generic #201410301735
[  840.480819] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.483253] iscsi_np        D 0000000000000015     0  2036      2 0x00000004
[  840.483254]  ffff883fd1043bf8 0000000000000046 ffff88407fffaf00 ffff883fd1043fd8
[  840.483255]  00000000000143c0 00000000000143c0 ffff881fd2a446e0 ffff883fd10b1440
[  840.483257]  ffffffffc05c21c9 ffff883fd29df160 7fffffffffffffff 7fffffffffffffff
[  840.483258] Call Trace:
[  840.483260]  [<ffffffff81792919>] schedule+0x29/0x70
[  840.483262]  [<ffffffff81791d35>] schedule_timeout+0x1b5/0x210
[  840.483266]  [<ffffffff811c7081>] ? __kmalloc_track_caller+0x51/0x220
[  840.483270]  [<ffffffffc059b431>] ? iscsi_update_param_value+0x31/0x90 [iscsi_target_mod]
[  840.483272]  [<ffffffff81793bb7>] wait_for_completion+0xa7/0x160
[  840.483273]  [<ffffffff810a7d20>] ? try_to_wake_up+0x290/0x290
[  840.483277]  [<ffffffffc05b69d5>] iscsit_stop_session+0x1b5/0x1d0 [iscsi_target_mod]
[  840.483282]  [<ffffffffc05a615d>] iscsi_check_for_session_reinstatement+0x1cd/0x260 [iscsi_target_mod]
[  840.483286]  [<ffffffffc05a8c5b>] iscsi_target_handle_csg_one+0xdb/0x180 [iscsi_target_mod]
[  840.483290]  [<ffffffffc05a8dec>] iscsi_target_do_login+0xec/0x160 [iscsi_target_mod]
[  840.483294]  [<ffffffffc05a98f7>] iscsi_target_start_negotiation+0x27/0xb0 [iscsi_target_mod]
[  840.483298]  [<ffffffffc05a7a24>] __iscsi_target_login_thread+0x274/0x640 [iscsi_target_mod]
[  840.483302]  [<ffffffffc05a7df0>] ? __iscsi_target_login_thread+0x640/0x640 [iscsi_target_mod]
[  840.483306]  [<ffffffffc05a7e18>] iscsi_target_login_thread+0x28/0x40 [iscsi_target_mod]
[  840.483307]  [<ffffffff81096479>] kthread+0xc9/0xe0
[  840.483309]  [<ffffffff810963b0>] ? flush_kthread_worker+0xb0/0xb0
[  840.483310]  [<ffffffff817966fc>] ret_from_fork+0x7c/0xb0
[  840.483312]  [<ffffffff810963b0>] ? flush_kthread_worker+0xb0/0xb0