I tried yet another USB 3.0 external HDD enclosure with the 1 TB WD
drive that has been the source of all these problems. This one is made
by Icy Dock. It's a MB080U35-1SB, and has USB 3.0 as well as eSATA. I
figured the eSATA would work even if the USB 3.0 failed.
Eureka! It works via USB 3.0. The output of dmesg is as follows:
[26464.898990] usb 4-6.4: new SuperSpeed USB device number 5 using xhci_hcd
[26464.914507] usb 4-6.4: New USB device found, idVendor=174c,
idProduct=55aa
[26464.914516] usb 4-6.4: New USB device strings: Mfr=2, Product=3,
SerialNumber=1
[26464.914521] usb 4-6.4: Product: ASMT1051
[26464.914524] usb 4-6.4: Manufacturer: asmedia
[26464.914528] usb 4-6.4: SerialNumber: 123456789012
[26464.916373] usb-storage 4-6.4:1.0: USB Mass Storage device detected
[26464.916518] usb-storage 4-6.4:1.0: Quirks match for vid 174c pid
55aa: 400000
[26464.916643] scsi9 : usb-storage 4-6.4:1.0
[26465.915592] scsi 9:0:0:0: Direct-Access ASMT 2105
0 PQ: 0 ANSI: 6
[26465.916073] sd 9:0:0:0: Attached scsi generic sg2 type 0
[26465.917221] sd 9:0:0:0: [sdb] Spinning up disk...
[26466.920665] ...............ready
[26480.998284] sd 9:0:0:0: [sdb] 1953525168 512-byte logical blocks:
(1.00 TB/931 GiB)
[26480.998581] sd 9:0:0:0: [sdb] Write Protect is off
[26480.998587] sd 9:0:0:0: [sdb] Mode Sense: 43 00 00 00
[26480.998859] sd 9:0:0:0: [sdb] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[26481.010073] sdb: unknown partition table
[26481.011194] sd 9:0:0:0: [sdb] Attached SCSI disk
[26531.348333] EXT4-fs (dm-3): mounted filesystem with ordered data
mode. Opts: (null)
[26531.385060] systemd-hostnamed[8286]: Warning: nss-myhostname is not
installed. Changing the local hostname might make it unresolveable.
Please install nss-myhostname!
This one uses a different chipset than any of the others I've tried. I
hope this helps. I am even more hopeful that this wasn't a wild goose
chase I led you on due to problems with these external docks/enclosures
and not something in the kernel.
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