Ubuntu先生が不機嫌です…

このUSBスティック壊れてるのかな…

[696720.430065] INFO: task umount:5609 blocked for more than 120 seconds.
[696720.430069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[696720.430072] umount        D 0000000000000002     0  5609   1688 0x00000000
[696720.430079]  ffff88010747fd98 0000000000000086 0000000000015bc0 0000000000015bc0
[696720.430085]  ffff880008099ab0 ffff88010747ffd8 0000000000015bc0 ffff8800080996f0
[696720.430090]  0000000000015bc0 ffff88010747ffd8 0000000000015bc0 ffff880008099ab0
[696720.430095] Call Trace:
[696720.430105]  [<ffffffff811663f0>] ? bdi_sched_wait+0x0/0x20
[696720.430109]  [<ffffffff811663fe>] bdi_sched_wait+0xe/0x20
[696720.430115]  [<ffffffff8154292f>] __wait_on_bit+0x5f/0x90
[696720.430119]  [<ffffffff811663f0>] ? bdi_sched_wait+0x0/0x20
[696720.430123]  [<ffffffff815429d8>] out_of_line_wait_on_bit+0x78/0x90
[696720.430129]  [<ffffffff81085470>] ? wake_bit_function+0x0/0x40
[696720.430133]  [<ffffffff811663b4>] ? bdi_queue_work+0xa4/0xe0
[696720.430137]  [<ffffffff8116776f>] bdi_sync_writeback+0x6f/0x80
[696720.430140]  [<ffffffff811677a0>] sync_inodes_sb+0x20/0x30
[696720.430145]  [<ffffffff8116b272>] __sync_filesystem+0x82/0x90
[696720.430149]  [<ffffffff8116b359>] sync_filesystems+0xd9/0x130
[696720.430154]  [<ffffffff8115fff1>] sys_umount+0xb1/0xd0
[696720.430159]  [<ffffffff810131b2>] system_call_fastpath+0x16/0x1b
[696730.160021] usb 1-3: reset high speed USB device using ehci_hcd and address 73
[696761.130021] usb 1-3: reset high speed USB device using ehci_hcd and address 73
[696761.292211] usb 1-3: device descriptor read/all, error -71
[696761.420019] usb 1-3: reset high speed USB device using ehci_hcd and address 73
[696792.160029] usb 1-3: reset high speed USB device using ehci_hcd and address 73
[696824.160029] usb 1-3: reset high speed USB device using ehci_hcd and address 73
[696840.430064] INFO: task umount:5609 blocked for more than 120 seconds.
[696840.430069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[696840.430072] umount        D 0000000000000002     0  5609   1688 0x00000000
[696840.430078]  ffff88010747fd98 0000000000000086 0000000000015bc0 0000000000015bc0
[696840.430084]  ffff880008099ab0 ffff88010747ffd8 0000000000015bc0 ffff8800080996f0
[696840.430089]  0000000000015bc0 ffff88010747ffd8 0000000000015bc0 ffff880008099ab0
[696840.430094] Call Trace:
[696840.430104]  [<ffffffff811663f0>] ? bdi_sched_wait+0x0/0x20
[696840.430108]  [<ffffffff811663fe>] bdi_sched_wait+0xe/0x20
[696840.430114]  [<ffffffff8154292f>] __wait_on_bit+0x5f/0x90
[696840.430118]  [<ffffffff811663f0>] ? bdi_sched_wait+0x0/0x20
[696840.430122]  [<ffffffff815429d8>] out_of_line_wait_on_bit+0x78/0x90
[696840.430128]  [<ffffffff81085470>] ? wake_bit_function+0x0/0x40
[696840.430131]  [<ffffffff811663b4>] ? bdi_queue_work+0xa4/0xe0
[696840.430135]  [<ffffffff8116776f>] bdi_sync_writeback+0x6f/0x80
[696840.430139]  [<ffffffff811677a0>] sync_inodes_sb+0x20/0x30
[696840.430143]  [<ffffffff8116b272>] __sync_filesystem+0x82/0x90
[696840.430147]  [<ffffffff8116b359>] sync_filesystems+0xd9/0x130
[696840.430152]  [<ffffffff8115fff1>] sys_umount+0xb1/0xd0
[696840.430158]  [<ffffffff810131b2>] system_call_fastpath+0x16/0x1b