I spoke too soon.While on my Ubuntu 16.10 laptop there hasn't been any
usb reses, the problems still persist on the 16.04 NUC when booted
through a 16.10 live session:


Dec  3 11:08:49 ubuntu kernel: [  686.880835] xhci_hcd 0000:00:14.0: ERROR 
Unknown event condition 10, HC probably busted
Dec  3 11:08:49 ubuntu kernel: [  686.880852] xhci_hcd 0000:00:14.0: ERROR 
Unknown event condition 10, HC probably busted
Dec  3 11:08:49 ubuntu kernel: [  686.884132] xhci_hcd 0000:00:14.0: ERROR 
Transfer event for disabled endpoint or incorrect stream ring
Dec  3 11:08:49 ubuntu kernel: [  686.884164] xhci_hcd 0000:00:14.0: 
@0000000179f91ba0 00000000 00000000 04000000 02038001
Dec  3 11:09:20 ubuntu kernel: [  718.048017] sd 3:0:0:0: [sda] tag#1 
uas_eh_abort_handler 0 uas-tag 2 inflight: CMD IN 
Dec  3 11:09:20 ubuntu kernel: [  718.048039] sd 3:0:0:0: [sda] tag#1 CDB: 
Read(10) 28 00 75 e4 70 e0 00 01 00 00
Dec  3 11:09:20 ubuntu kernel: [  718.048445] sd 3:0:0:0: [sda] tag#0 
uas_eh_abort_handler 0 uas-tag 1 inflight: CMD IN 
Dec  3 11:09:20 ubuntu kernel: [  718.048463] sd 3:0:0:0: [sda] tag#0 CDB: 
Read(10) 28 00 75 e4 6f e0 00 01 00 00
Dec  3 11:09:20 ubuntu kernel: [  718.048980] scsi host3: 
uas_eh_bus_reset_handler start
Dec  3 11:09:20 ubuntu kernel: [  718.175974] usb 2-3: reset SuperSpeed USB 
device number 2 using xhci_hcd
Dec  3 11:09:20 ubuntu kernel: [  718.206258] scsi host3: 
uas_eh_bus_reset_handler success

Kernel 4.8.0-22-generic.

C.

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https://bugs.launchpad.net/bugs/1584557

Title:
  Seagate external drive causes SCSI bus resets when UAS enabled

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