未检测到ExFat磁盘

Question

我正在尝试连接一个外部硬盘驱动器到我的电脑(Ubuntu16.04，双启动窗口)。我查过了，磁盘正在其他电脑上运行。它以前也在做我的工作，由于某种原因，它不再被自动检测和安装。

外部硬盘是使用Mac的另一台计算机在exFat中形成的。奇怪的是，如果我让它插入足够长的时间，它就会突然被计算机自动挂载(几分钟后)，然后它就像一种魅力一样工作。

当插入时，磁盘不会出现在fdisk或其他lsblk中，.然而，Dmesg输出正在记录磁盘连接：

[  120.266550] usb 2-4: new SuperSpeed USB device number 2 using xhci_hcd
[  120.283365] usb 2-4: New USB device found, idVendor=059f, idProduct=1062
[  120.283377] usb 2-4: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[  120.283386] usb 2-4: Product: Rugged USB3 THB
[  120.283392] usb 2-4: Manufacturer: LaCie
[  120.283397] usb 2-4: SerialNumber: 0000000015ac2c7500d7
[  120.300185] usbcore: registered new interface driver usb-storage
[  120.303319] scsi host0: uas
[  120.303408] usbcore: registered new interface driver uas
[  120.304404] scsi 0:0:0:0: Direct-Access     LaCie    Rugged THB USB3  051E PQ: 0 ANSI: 6
[  120.304845] sd 0:0:0:0: Attached scsi generic sg0 type 0
[  124.445048] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00 TB/932 GiB)
[  124.445065] sd 0:0:0:0: [sda] 4096-byte physical blocks
[  124.445649] sd 0:0:0:0: [sda] Write Protect is off
[  124.445676] sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00
[  124.446023] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

然后，它开始重复这样做：

[  154.859957] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN 
[  154.859989] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 12 00 00 00 00 02 00 00 00
[  154.860160] scsi host0: uas_eh_bus_reset_handler start
[  154.972264] usb 2-4: reset SuperSpeed USB device number 2 using xhci_hcd
[  154.995589] scsi host0: uas_eh_bus_reset_handler success
...
[  309.873009] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN 
[  309.873026] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 93 00 00 00 00 02 00 00 00
[  309.873172] scsi host0: uas_eh_bus_reset_handler start
[  309.985460] usb 2-4: reset SuperSpeed USB device number 2 using xhci_hcd
[  310.003272] scsi host0: uas_eh_bus_reset_handler success
[  340.849898] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN 
[  340.849901] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 93 00 00 00 00 02 00 00 00
[  340.849985] scsi host0: uas_eh_bus_reset_handler start
[  340.962449] usb 2-4: reset SuperSpeed USB device number 2 using xhci_hcd
[  340.979668] scsi host0: uas_eh_bus_reset_handler success
[  360.178643] INFO: task systemd-udevd:2263 blocked for more than 120 seconds.
[  360.178667]       Not tainted 4.4.0-47-generic #68-Ubuntu
[  360.178674] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  360.178681] systemd-udevd   D ffff88003fb7bc88     0  2263    264 0x00000004
[  360.178698]  ffff88003fb7bc88 00000000fffffffa ffffffff81e11500 ffff8804e55be740
[  360.178711]  ffff88003fb7c000 0000000000000000 ffff8804dae68140 ffffffffc06f6500
[  360.178723]  ffff8800d280ecc0 ffff88003fb7bca0 ffffffff81830f15 ffffffffffffffff
[  360.178735] Call Trace:
[  360.178762]  [<ffffffff81830f15>] schedule+0x35/0x80
[  360.178780]  [<ffffffff810a355e>] async_synchronize_cookie_domain+0x6e/0x150
[  360.178796]  [<ffffffff810c3ed0>] ? wake_atomic_t_function+0x60/0x60
[  360.178810]  [<ffffffff810a3677>] async_synchronize_full+0x17/0x20
[  360.178826]  [<ffffffff8118ce35>] do_init_module+0xc1/0x1cf
[  360.178838]  [<ffffffff8110a3ef>] load_module+0x166f/0x1c10
[  360.178849]  [<ffffffff81106990>] ? __symbol_put+0x60/0x60
[  360.178866]  [<ffffffff81213a80>] ? kernel_read+0x50/0x80
[  360.178880]  [<ffffffff8110abd4>] SYSC_finit_module+0xb4/0xe0
[  360.178892]  [<ffffffff8110ac1e>] SyS_finit_module+0xe/0x10
[  360.178905]  [<ffffffff81834ff2>] entry_SYSCALL_64_fastpath+0x16/0x71
[  371.827287] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN 
[  371.827308] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 93 00 00 00 00 02 00 00 00
[  371.827573] scsi host0: uas_eh_bus_reset_handler start
[  371.940129] usb 2-4: reset SuperSpeed USB device number 2 using xhci_hcd
[  371.958671] scsi host0: uas_eh_bus_reset_handler success

..。它做了很多次，然后突然：

[ 1208.910101] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN 
[ 1208.910116] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 41 00 00 00 00 02 00 00 00
[ 1208.910235] scsi host0: uas_eh_bus_reset_handler start
[ 1209.022845] usb 2-4: reset SuperSpeed USB device number 2 using xhci_hcd
[ 1209.039727] scsi host0: uas_eh_bus_reset_handler success
[ 1239.951073] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN 
[ 1239.951077] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 41 00 00 00 00 02 00 00 00
[ 1239.951120] scsi host0: uas_eh_bus_reset_handler start
[ 1240.063369] usb 2-4: reset SuperSpeed USB device number 2 using xhci_hcd
[ 1240.081349] scsi host0: uas_eh_bus_reset_handler success
[ 1240.081428] sd 0:0:0:0: [sda] Attached SCSI disk

在那之后，磁盘工作得很好。

这里发生了什么事？我在论坛上看了看，什么也找不到。如果有人有一个解决方案，让磁盘像任何正常的磁盘一样被检测和挂载，那么这将是很棒的，而不会占用所有这些时间，有时甚至会突然工作。

谢谢你的帮忙!

Answer 1

在我的例子中，安装问题出现在我在Windows上使用SSD之后。回到Ubuntu之后，挂载点“/mnt/sdb1 1”开始不正确(错误安装系统-托管设备/dev/sdb1 1:不允许操作)。

我得到的结果是：

sudo mkdir /media/exfat
sudo mount -t exfat /dev/sdb1 /media/exfat

或者您也可以打开磁盘中的“用户会话默认值”，并且外部驱动器应该正确地挂载。