Unloading "ehci_hcd" to disable the High Speed mode did the trick.
Here is the new log.
Feb 25 17:23:24 xps kernel: [ 1406.985032] usb 4-1: new full speed USB device
using uhci_hcd and address 3
Feb 25 17:23:24 xps kernel: [ 1407.148585] usb 4-1: configuration #1 chosen
from 1 choice
Feb 25 17:23:24 xps kernel: [ 1407.152644] scsi9 : SCSI emulation for USB Mass
Storage devices
Feb 25 17:23:29 xps kernel: [ 1412.161203] scsi 9:0:0:0: Direct-Access WD
2500BEV External 1.05 PQ: 0 ANSI: 4
Feb 25 17:23:29 xps kernel: [ 1412.168090] sd 9:0:0:0: [sdb] 488397168 512-byte
hardware sectors (250059 MB)
Feb 25 17:23:29 xps kernel: [ 1412.173110] sd 9:0:0:0: [sdb] Write Protect is
off
Feb 25 17:23:29 xps kernel: [ 1412.178102] sd 9:0:0:0: [sdb] 488397168 512-byte
hardware sectors (250059 MB)
Feb 25 17:23:29 xps kernel: [ 1412.183100] sd 9:0:0:0: [sdb] Write Protect is
off
Feb 25 17:23:29 xps kernel: [ 1412.183126] sdb: sdb1
Feb 25 17:23:29 xps kernel: [ 1412.224396] sd 9:0:0:0: [sdb] Attached SCSI disk
Feb 25 17:23:29 xps kernel: [ 1412.224619] sd 9:0:0:0: Attached scsi generic
sg2 type 0
But it's still a bug. Why can the drive be *auto* mounted in high speed
mode?
--
Auto mount does not work for USB drive
https://bugs.launchpad.net/bugs/102097
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