nouvel essai ce matin, le wd est reconnu en usb2 sur le port usb3, tout ce qui est après la première ligne vient du branchement du disque usb3
Aug 5 07:22:51 gandalf-lpt-df dbus: [system] Successfully activated service 'net.reactivated.Fprint'
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.565112] usb 2-1.1: new high speed USB device number 4 using ehci_hcd
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.651326] usb 2-1.1: New USB device found, idVendor=1058, idProduct=0740
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.651334] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=5
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.651340] usb 2-1.1: Product: My Passport 0740
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.651345] usb 2-1.1: Manufacturer: Western Digital
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.651350] usb 2-1.1: SerialNumber: 57584D314541304656533738
Aug 5 07:23:24 gandalf-lpt-df mtp-probe: checking bus 2, device 4: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1"
Aug 5 07:23:24 gandalf-lpt-df mtp-probe: bus: 2, device: 4 was not an MTP device
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.785514] usbcore: registered new interface driver uas
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.786686] Initializing USB Mass Storage driver...
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.789166] scsi6 : usb-storage 2-1.1:1.0
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.789466] usbcore: registered new interface driver usb-storage
Aug 5 07:23:24 gandalf-lpt-df kernel: [ 165.789470] USB Mass Storage support registered.
Aug 5 07:23:25 gandalf-lpt-df kernel: [ 166.789458] scsi 6:0:0:0: Direct-Access WD My Passport 0740 1003 PQ: 0 ANSI: 6
Aug 5 07:23:25 gandalf-lpt-df kernel: [ 166.790137] scsi 6:0:0:1: Enclosure WD SES Device 1003 PQ: 0 ANSI: 6
Aug 5 07:23:25 gandalf-lpt-df kernel: [ 166.815180] sd 6:0:0:0: Attached scsi generic sg2 type 0
Aug 5 07:23:25 gandalf-lpt-df kernel: [ 166.815498] scsi 6:0:0:1: Attached scsi generic sg3 type 13
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 166.818070] sd 6:0:0:0: [sdb] Spinning up disk....ready
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.655086] sd 6:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.656078] sd 6:0:0:0: [sdb] Write Protect is off
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.657084] sd 6:0:0:0: [sdb] No Caching mode page present
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.657091] sd 6:0:0:0: [sdb] Assuming drive cache: write through
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.661847] sd 6:0:0:0: [sdb] No Caching mode page present
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.661854] sd 6:0:0:0: [sdb] Assuming drive cache: write through
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.679539] sdb: sdb1
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.682694] sd 6:0:0:0: [sdb] No Caching mode page present
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.682702] sd 6:0:0:0: [sdb] Assuming drive cache: write through
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.682709] sd 6:0:0:0: [sdb] Attached SCSI disk
Aug 5 07:23:32 gandalf-lpt-df ata_id[2105]: HDIO_GET_IDENTITY failed for '/dev/sdb'
Aug 5 07:23:32 gandalf-lpt-df kernel: [ 173.702938] ses 6:0:0:1: Attached Enclosure device
Aug 5 07:23:34 gandalf-lpt-df ntfs-3g[2117]: Version 2011.4.12 integrated FUSE 27
Aug 5 07:23:34 gandalf-lpt-df ntfs-3g[2117]: Mounted /dev/sdb1 (Read-Write, label "Backup", NTFS 3.1)
Aug 5 07:23:34 gandalf-lpt-df ntfs-3g[2117]: Cmdline options: rw,nosuid,nodev,uhelper=udisks,uid=500,gid=500,dmask=0077,fmask=0177
Aug 5 07:23:34 gandalf-lpt-df ntfs-3g[2117]: Mount options: rw,nosuid,nodev,uhelper=udisks,allow_other,nonempty,atime,fsname=/dev/sdb1,blkdev,blksize=4096,default_permissions
Aug 5 07:23:34 gandalf-lpt-df ntfs-3g[2117]: Global ownership and permissions enforced, configuration type 1