И это всё МОЁ
Здравствуйте.
Ubuntu 16.04 + iscsitarget, инициаторы - на винде.
Пару раз схватил такую ошибку, syslog:
Jul 24 18:47:21 fserver kernel: [32517.546779] INFO: task ietd:4218 blocked for more than 120 seconds.
Jul 24 18:47:21 fserver kernel: [32517.547110] Tainted: G OE 4.4.0-154-generic #181-Ubuntu
Jul 24 18:47:21 fserver kernel: [32517.547448] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 24 18:47:21 fserver kernel: [32517.547809] ietd D ffff8801f6ebfd88 0 4218 1 0x00000000
Jul 24 18:47:21 fserver kernel: [32517.547813] ffff8801f6ebfd88 ffffffff81737793 ffffffff81e13500 ffff8801f7be2a00
Jul 24 18:47:21 fserver kernel: [32517.547815] ffff8801f6ec0000 ffffffffc049c2c4 ffff8801f7be2a00 00000000ffffffff
Jul 24 18:47:21 fserver kernel: [32517.547817] ffffffffc049c2c8 ffff8801f6ebfda0 ffffffff8185f205 ffffffffc049c2c0
Jul 24 18:47:21 fserver kernel: [32517.547820] Call Trace:
Jul 24 18:47:21 fserver kernel: [32517.547826] [<ffffffff81737793>] ? ___sys_recvmsg+0x163/0x1f0
Jul 24 18:47:21 fserver kernel: [32517.547830] [<ffffffff8185f205>] schedule+0x35/0x80
Jul 24 18:47:21 fserver kernel: [32517.547832] [<ffffffff8185f55e>] schedule_preempt_disabled+0xe/0x10
Jul 24 18:47:21 fserver kernel: [32517.547834] [<ffffffff818613f7>] __mutex_lock_slowpath+0xb7/0x130
Jul 24 18:47:21 fserver kernel: [32517.547836] [<ffffffff8186148f>] mutex_lock+0x1f/0x30
Jul 24 18:47:21 fserver kernel: [32517.547841] [<ffffffffc048f258>] target_lookup_by_id+0x18/0x60 [iscsi_trgt]
Jul 24 18:47:21 fserver kernel: [32517.547845] [<ffffffffc048d642>] ioctl+0x82/0x3b0 [iscsi_trgt]
Jul 24 18:47:21 fserver kernel: [32517.547848] [<ffffffff8123d984>] ? mntput+0x24/0x40
Jul 24 18:47:21 fserver kernel: [32517.547851] [<ffffffff8123051f>] do_vfs_ioctl+0x2af/0x4b0
Jul 24 18:47:21 fserver kernel: [32517.547854] [<ffffffff817381f1>] ? __sys_recvmsg+0x51/0x90
Jul 24 18:47:21 fserver kernel: [32517.547856] [<ffffffff81230799>] SyS_ioctl+0x79/0x90
Jul 24 18:47:21 fserver kernel: [32517.547859] [<ffffffff81863b9b>] entry_SYSCALL_64_fastpath+0x22/0xcb
Jul 24 18:49:21 fserver kernel: [32637.537748] INFO: task ietd:4218 blocked for more than 120 seconds.
Jul 24 18:49:21 fserver kernel: [32637.538130] Tainted: G OE 4.4.0-154-generic #181-Ubuntu
Jul 24 18:49:21 fserver kernel: [32637.538522] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 24 18:49:21 fserver kernel: [32637.538936] ietd D ffff8801f6ebfd88 0 4218 1 0x00000000
Jul 24 18:49:21 fserver kernel: [32637.538940] ffff8801f6ebfd88 ffffffff81737793 ffffffff81e13500 ffff8801f7be2a00
Jul 24 18:49:21 fserver kernel: [32637.538942] ffff8801f6ec0000 ffffffffc049c2c4 ffff8801f7be2a00 00000000ffffffff
Jul 24 18:49:21 fserver kernel: [32637.538944] ffffffffc049c2c8 ffff8801f6ebfda0 ffffffff8185f205 ffffffffc049c2c0
Jul 24 18:49:21 fserver kernel: [32637.538947] Call Trace:
Jul 24 18:49:21 fserver kernel: [32637.538953] [<ffffffff81737793>] ? ___sys_recvmsg+0x163/0x1f0
Jul 24 18:49:21 fserver kernel: [32637.538957] [<ffffffff8185f205>] schedule+0x35/0x80
Jul 24 18:49:21 fserver kernel: [32637.538959] [<ffffffff8185f55e>] schedule_preempt_disabled+0xe/0x10
Jul 24 18:49:21 fserver kernel: [32637.538962] [<ffffffff818613f7>] __mutex_lock_slowpath+0xb7/0x130
Jul 24 18:49:21 fserver kernel: [32637.538964] [<ffffffff8186148f>] mutex_lock+0x1f/0x30
Jul 24 18:49:21 fserver kernel: [32637.538969] [<ffffffffc048f258>] target_lookup_by_id+0x18/0x60 [iscsi_trgt]
Jul 24 18:49:21 fserver kernel: [32637.538973] [<ffffffffc048d642>] ioctl+0x82/0x3b0 [iscsi_trgt]
Jul 24 18:49:21 fserver kernel: [32637.538976] [<ffffffff8123d984>] ? mntput+0x24/0x40
Jul 24 18:49:21 fserver kernel: [32637.538979] [<ffffffff8123051f>] do_vfs_ioctl+0x2af/0x4b0
Jul 24 18:49:21 fserver kernel: [32637.538982] [<ffffffff817381f1>] ? __sys_recvmsg+0x51/0x90
Jul 24 18:49:21 fserver kernel: [32637.538984] [<ffffffff81230799>] SyS_ioctl+0x79/0x90
Jul 24 18:49:21 fserver kernel: [32637.538987] [<ffffffff81863b9b>] entry_SYSCALL_64_fastpath+0x22/0xcb
Что это такое?