The kernel messages below happened the first time I plugged in a Seagate Backup
Plus drive. These messages are not problems with the drive, they indicate a
buggy-as-fuck kernel module called 'uas'. Blacklisting the module solves the
problem and makes the drive behave normally.


sd 6:0:0:4: [sdg]  Result: hostbyte=0x01 driverbyte=0x00
sd 6:0:0:4: [sdg] Sense not available.
sd 6:0:0:4: [sdg] READ CAPACITY failed
sd 6:0:0:4: [sdg]  Result: hostbyte=0x01 driverbyte=0x00
sd 6:0:0:4: [sdg] Sense not available.
sd 6:0:0:4: [sdg] Write Protect is off
sd 6:0:0:2: [sde] READ CAPACITY(16) failed
sd 6:0:0:2: [sde]  Result: hostbyte=0x01 driverbyte=0x00
sd 6:0:0:2: [sde] Sense not available.
sd 6:0:0:2: [sde] READ CAPACITY failed
sd 6:0:0:2: [sde]  Result: hostbyte=0x01 driverbyte=0x00
sd 6:0:0:2: [sde] Sense not available.
sd 6:0:0:2: [sde] Write Protect is off
sd 6:0:0:6: [sdi] Attached SCSI disk
sd 6:0:0:2: [sde] Attached SCSI disk
sd 6:0:0:5: [sdh] Attached SCSI disk
sd 6:0:0:4: [sdg] Attached SCSI disk
sd 6:0:0:7: [sdj] Attached SCSI disk
sd 6:0:0:1: [sdd] Attached SCSI disk
sd 6:0:0:3: [sdf] Attached SCSI disk
usb 1-2: reset high-speed USB device number 4 using ehci_hcd
scsi7 : uas
scsi 7:0:0:0: Direct-Access     Seagate  Backup+ Desk     050B PQ: 0 ANSI: 6
usb 1-2: USB disconnect, device number 4
sd 7:0:0:0: uas_eh_abort_handler tag 1
sd 7:0:0:0: uas_eh_abort_handler tag 0
sd 7:0:0:0: uas_eh_device_reset_handler tag 1
sd 7:0:0:0: uas_eh_target_reset_handler tag 1
sd 7:0:0:0: uas_eh_bus_reset_handler tag 0
sd 7:0:0:0: sense urb submission failure
sd 7:0:0:0: uas_eh_abort_handler tag 0
sd 7:0:0:0: uas_eh_device_reset_handler tag 0
sd 7:0:0:0: uas_eh_target_reset_handler tag 0
sd 7:0:0:0: uas_eh_bus_reset_handler tag 0
sd 7:0:0:0: Device offlined - not ready after error recovery
sd 7:0:0:0: Device offlined - not ready after error recovery
sd 7:0:0:0: [sdc] READ CAPACITY(16) failed
[...]
scsi 7:0:0:1: sense urb submission failure
scsi 7:0:0:1: sense urb submission failure
scsi 7:0:0:1: sense urb submission failure
scsi 7:0:0:1: sense urb submission failure
[...]
(this message repeats indefinitely until reboot)