Ошибки в протоколах
Периодически обнаруживаю у себя такое:
May 19 23:27:24 dana kernel: [324437.406837] ata3.01: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0x0
May 19 23:27:24 dana kernel: [324437.406841] ata3.01: SError: { DevExch }
May 19 23:27:24 dana kernel: [324437.406847] ata3.00: hard resetting link
May 19 23:27:25 dana kernel: [324438.137560] ata3.01: hard resetting link
May 19 23:27:26 dana dbus[3235]: [system] Rejected send message, 7 matched rules; type="method_call", sender=":1.155" (uid=0 pid=12284 comm="dbus-send --print-reply --system
--dest=org.freede") interface="org.freedesktop.NetworkManager" member="sleep" error name="(unset)" requested_reply="0" destination="org.freedesktop.NetworkManager" (uid=0 pid=3889
comm="/usr/sbin/NetworkManager ")
May 19 23:27:26 dana kernel: [324439.015194] ata3.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
May 19 23:27:26 dana kernel: [324439.015208] ata3.01: SATA link down (SStatus 0 SControl 300)
May 19 23:27:26 dana kernel: [324439.039652] ata3.00: configured for UDMA/133
May 19 23:27:26 dana kernel: [324439.176967] type=1400 audit(1368991646.175:2446153): apparmor="ALLOWED" operation="capable" parent=12276 profile="/bin/which" pid=12277
comm="which" capability=1 capname="dac_override"
May 19 23:29:46 dana kernel: [324442.926211] PM: Syncing filesystems ... done.
May 19 23:29:49 dana kernel: [324442.931534] Freezing user space processes ... (elapsed 0.02 seconds) done.
May 19 23:29:49 dana kernel: [324442.960765] PM: Preallocating image memory... done (allocated 613761 pages)
May 19 23:29:49 dana kernel: [324552.845364] PM: Allocated 2455044 kbytes in 110.17 seconds (22.28 MB/s)
May 19 23:29:49 dana kernel: [324552.845366] Freezing remaining freezable tasks ...
May 19 23:29:49 dana kernel: [324572.793802] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze, wq_busy=0):
May 19 23:29:49 dana kernel: [324572.795493] khugepaged D 0000000000000001 0 32 2 0x00800000
May 19 23:29:49 dana kernel: [324572.795496] ffff880102b35dc0 0000000000000046 ffff880068368ed8 ffff8801297412c0
May 19 23:29:50 dana kernel: [324572.795498] ffff88012974bfd8 ffff88012974bfd8 ffff88012974bfd8 ffff8801297412c0
May 19 23:29:50 dana kernel: [324572.795501] ffff88012974b800 ffff88012974b800 ffff88012974b9b0 ffff8801297412c0
May 19 23:29:50 dana kernel: [324572.795503] Call Trace:
May 19 23:29:50 dana kernel: [324572.795509] [<ffffffff810a4770>] ? __lock_page+0x70/0x70
May 19 23:29:50 dana kernel: [324572.795513] [<ffffffff814dafd8>] ? io_schedule+0x88/0xd0
May 19 23:29:50 dana kernel: [324572.795515] [<ffffffff810a4779>] ? sleep_on_page+0x9/0x10
May 19 23:29:50 dana kernel: [324572.795517] [<ffffffff814db6af>] ? __wait_on_bit+0x4f/0x80
May 19 23:29:50 dana kernel: [324572.795519] [<ffffffff810a4890>] ? wait_on_page_bit+0x70/0x80
May 19 23:29:50 dana kernel: [324572.795522] [<ffffffff81059840>] ? autoremove_wake_function+0x30/0x30
May 19 23:29:50 dana kernel: [324572.795525] [<ffffffff810b25e6>] ? shrink_page_list+0x266/0x8a0
May 19 23:29:50 dana kernel: [324572.795528] [<ffffffff810b1d19>] ? isolate_lru_pages+0x1b9/0x320
May 19 23:29:50 dana kernel: [324572.795530] [<ffffffff810b3117>] ? shrink_inactive_list+0x297/0x3e0
May 19 23:29:50 dana kernel: [324572.795532] [<ffffffff810b3942>] ? shrink_zone+0x3f2/0x4d0
May 19 23:29:50 dana kernel: [324572.795534] [<ffffffff810b3d85>] ? do_try_to_free_pages+0x105/0x410
May 19 23:29:50 dana kernel: [324572.795536] [<ffffffff810b41d8>] ? try_to_free_pages+0x78/0x80
May 19 23:29:50 dana kernel: [324572.795538] [<ffffffff810ac626>] ? __alloc_pages_nodemask+0x476/0x830
May 19 23:29:50 dana kernel: [324572.795541] [<ffffffff810e6dd3>] ? khugepaged+0x953/0x1250
May 19 23:29:50 dana kernel: [324572.795544] [<ffffffff810335ce>] ? dequeue_task_fair+0xce/0x100
May 19 23:29:50 dana kernel: [324572.795546] [<ffffffff81059810>] ? finish_wait+0x90/0x90
May 19 23:29:50 dana kernel: [324572.795548] [<ffffffff810e6480>] ? collect_mm_slot+0xa0/0xa0
May 19 23:29:50 dana kernel: [324572.795550] [<ffffffff810593be>] ? kthread+0x7e/0x90
May 19 23:29:50 dana kernel: [324572.795553] [<ffffffff814de6b4>] ? kernel_thread_helper+0x4/0x10
May 19 23:29:50 dana kernel: [324572.795555] [<ffffffff81059340>] ? kthread_worker_fn+0x170/0x170
May 19 23:29:50 dana kernel: [324572.795557] [<ffffffff814de6b0>] ? gs_change+0xb/0xb
May 19 23:29:50 dana kernel: [324572.795588]
May 19 23:29:50 dana kernel: [324572.847247] Restarting tasks ... done.
...
May 19 23:30:43 dana kernel: [324635.826670] ata3.01: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0x0
May 19 23:30:43 dana kernel: [324635.826677] ata3.01: SError: { DevExch }
May 19 23:30:43 dana kernel: [324635.826687] ata3.00: hard resetting link
May 19 23:30:44 dana kernel: [324636.551523] ata3.01: hard resetting link
May 19 23:30:44 dana kernel: [324637.429232] ata3.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
May 19 23:30:44 dana kernel: [324637.429242] ata3.01: SATA link down (SStatus 0 SControl 300)
May 19 23:30:44 dana kernel: [324637.457495] ata3.00: configured for UDMA/133
...
May 19 23:34:41 dana kernel: [324873.350841] ata3.01: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0x0
May 19 23:34:41 dana kernel: [324873.350845] ata3.01: SError: { DevExch }
May 19 23:34:41 dana kernel: [324873.350851] ata3.00: hard resetting link
May 19 23:34:42 dana kernel: [324874.072916] ata3.01: hard resetting link
May 19 23:34:43 dana kernel: [324874.950568] ata3.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
May 19 23:34:43 dana kernel: [324874.950582] ata3.01: SATA link down (SStatus 0 SControl 300)
May 19 23:34:43 dana kernel: [324874.975067] ata3.00: configured for UDMA/133
...
May 20 20:34:09 dana kernel: [324880.941776] Freezing user space processes ... (elapsed 0.01 seconds) done.
May 20 20:34:09 dana kernel: [324880.954728] PM: Preallocating image memory... done (allocated 613701 pages)
May 20 20:34:09 dana kernel: [324918.298336] PM: Allocated 2454804 kbytes in 37.44 seconds (65.56 MB/s)
Что это:
May 19 23:27:24 dana kernel: [324437.406837] ata3.01: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0x0
May 19 23:27:24 dana kernel: [324437.406841] ata3.01: SError: { DevExch }
May 19 23:27:24 dana kernel: [324437.406847] ata3.00: hard resetting link
May 19 23:27:25 dana kernel: [324438.137560] ata3.01: hard resetting link
И как с ним бороться?
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