Je continue avec l’usb.
Lorsque je connecte mon DD externe celui-ci met un temps fou à être reconnu et lorsqu’il veut bien l’être, j’ai l’impression d’être revenu à l’âge de pierre avec un debit proche du néant (40mn pour copier 700Mo…).
# dmesg
[ 4887.308053] usb 5-4: new high speed USB device using ehci_hcd and address 9
[ 4902.456053] usb 5-4: device descriptor read/64, error -110
[ 4917.708079] usb 5-4: device descriptor read/64, error -110
[ 4917.924058] usb 5-4: new high speed USB device using ehci_hcd and address 10
[ 4933.072115] usb 5-4: device descriptor read/64, error -110
[ 4948.324085] usb 5-4: device descriptor read/64, error -110
[ 4948.540071] usb 5-4: new high speed USB device using ehci_hcd and address 11
[ 4958.972039] usb 5-4: device not accepting address 11, error -110
[ 4959.084083] usb 5-4: new high speed USB device using ehci_hcd and address 12
[ 4969.516038] usb 5-4: device not accepting address 12, error -110
[ 4969.516088] hub 5-0:1.0: unable to enumerate USB device on port 4
[ 4969.852062] usb 2-1: new full speed USB device using ohci_hcd and address 4
[ 4970.008053] usb 2-1: not running at top speed; connect to a high speed hub
[ 4970.020145] usb 2-1: configuration #1 chosen from 1 choice
[ 4970.028258] scsi6 : SCSI emulation for USB Mass Storage devices
[ 4970.028390] usb-storage: device found at 4
[ 4970.028395] usb-storage: waiting for device to settle before scanning
[ 4970.028411] usb 2-1: New USB device found, idVendor=1058, idProduct=1100
[ 4970.028501] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4970.028501] usb 2-1: Product: My Book
[ 4970.028501] usb 2-1: Manufacturer: Western Digital
[ 4970.028501] usb 2-1: SerialNumber: 57442D574341535532313734343039
[ 4975.028069] usb-storage: device scan complete
[ 4975.032080] scsi 6:0:0:0: Direct-Access WD 5000AAV External 1.65 PQ: 0 ANSI: 4
[ 4975.043966] sd 6:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB)
[ 4975.053945] sd 6:0:0:0: [sdb] Write Protect is off
[ 4975.053953] sd 6:0:0:0: [sdb] Mode Sense: 21 00 00 00
[ 4975.053957] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 4975.063910] sd 6:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB)
[ 4975.073895] sd 6:0:0:0: [sdb] Write Protect is off
[ 4975.073903] sd 6:0:0:0: [sdb] Mode Sense: 21 00 00 00
[ 4975.073905] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 4975.073910] sdb: sdb1
[ 4975.528258] sd 6:0:0:0: [sdb] Attached SCSI disk
[ 4975.528341] sd 6:0:0:0: Attached scsi generic sg2 type 0
# fdisk -l:
...
Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x44fdfe06
Device Boot Start End Blocks Id System
/dev/sdb1 1 60801 488384001 7 HPFS/NTFS
# lsusb:
...
Bus 002 Device 004: ID 1058:1100 Western Digital Technologies, Inc.
...
Si une idée vous passe par la tête…