I can also now confirm that disconnecting and reconnecting the same device after powering on the laptop with it plugged in works as well, as told by my dmesg output:
[ 548.474227] usb 3-1: new high-speed USB device number 3 using xhci_hcd [ 548.506396] usb 4-1: USB disconnect, device number 2 [ 548.556855] sd 6:0:0:0: [sdb] Synchronizing SCSI cache [ 548.556913] sd 6:0:0:0: [sdb] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 548.586157] usb 3-1: device descriptor read/64, error -71 [ 559.683005] usb 4-1: new SuperSpeed USB device number 3 using xhci_hcd [ 559.703525] usb 4-1: New USB device found, idVendor=13fd, idProduct=3920 [ 559.703534] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 559.703539] usb 4-1: Product: ADP-07U3 [ 559.703543] usb 4-1: Manufacturer: KINGWIN [ 559.703547] usb 4-1: SerialNumber: 57442D575834304137394834 [ 559.704704] usb-storage 4-1:1.0: USB Mass Storage device detected [ 559.708633] scsi host7: usb-storage 4-1:1.0 [ 560.707895] scsi 7:0:0:0: Direct-Access KINGWIN ADP-07U3 0205 PQ: 0 ANSI: 6 [ 560.709081] sd 7:0:0:0: Attached scsi generic sg2 type 0 [ 560.711288] sd 7:0:0:0: [sdb] Spinning up disk... [ 563.805297] .ready [ 563.805736] sd 7:0:0:0: [sdb] 976773167 512-byte logical blocks: (500 GB/466 GiB) [ 563.806315] sd 7:0:0:0: [sdb] Write Protect is off [ 563.806322] sd 7:0:0:0: [sdb] Mode Sense: 1f 00 10 08 [ 563.806917] sd 7:0:0:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA [ 563.847286] sdb: sdb1 sdb2 [ 563.847299] sdb: p1 size 48838704 extends beyond EOD, enabling native capacity [ 563.850729] sdb: sdb1 sdb2 [ 563.850748] sdb: p1 size 48838704 extends beyond EOD, truncated [ 563.852679] sd 7:0:0:0: [sdb] Attached SCSI disk -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1242321 Title: USB 3.0 Harddrive not recognised To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1242321/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
