On Mon, 2013-05-06 at 03:35 +0000, Ming Lei wrote:
> On Mon, May 6, 2013 at 12:56 AM, Robert <email address hidden> wrote:
> >
> > Please have another look at my original report: I clearly said that the
> 
> Sorry for missing it
> 
> > disk worked with 12.04 on the current machine. It stopped working after
> > the upgrade to 13.04. It still works fine with 12.04 on another machine.
> >
> > This looks like a simple regression issue - Google shows a few issues
> > with version 2.20 (rather than 1.60 I have) of the same drive, and it
> > looks like the driver was incorrectly modified.
> 
> Not simple as you imaged, in fact, the fix for 2.20 shouldn't have caused
> any regression on 1.60 device3(the fix only excludes 2.20 and above
> for cypress subdriver, and not change driver behaviour on 2.19 and below),
> 
> Also looks google only shows you have the problem on 1.60 almost.
> 
> I think 'dmesg' on 12.04 with the 1.60 device connected should be helpful,
> or it is very appreciated that you may test upstream kernel(3.9.0, below link)
> and provide usbmon info.
> 
>    http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.9-raring/
> 
> Thanks,
> --
> Ming Lei
> 

dmesg with 3.9 kernel:

[  100.352128] usb 1-1: new high-speed USB device number 6 using
ehci-pci
[  100.485872] usb 1-1: New USB device found, idVendor=14cd,
idProduct=6116
[  100.485882] usb 1-1: New USB device strings: Mfr=1, Product=3,
SerialNumber=2
[  100.485890] usb 1-1: Product: USB 2.0  SATA BRIDGE   
[  100.485895] usb 1-1: Manufacturer: Super Top   
[  100.485901] usb 1-1: SerialNumber: M6116018VF16
[  100.559254] Initializing USB Mass Storage driver...
[  100.559386] usbcore: registered new interface driver usb-storage
[  100.559389] USB Mass Storage support registered.
[  100.582754] scsi2 : usb-storage 1-1:1.0
[  100.582864] usbcore: registered new interface driver ums-cypress
[  101.580951] scsi 2:0:0:0: Direct-Access     WDC WD50 00BEVT-22A0RT0
PQ: 0 ANSI: 0
[  101.582209] sd 2:0:0:0: [sdb] 976773168 512-byte logical blocks: (500
GB/465 GiB)
[  101.584097] sd 2:0:0:0: Attached scsi generic sg2 type 0
[  101.585631] sd 2:0:0:0: [sdb] Write Protect is off
[  101.585642] sd 2:0:0:0: [sdb] Mode Sense: 03 00 00 00
[  101.586329] sd 2:0:0:0: [sdb] No Caching mode page present
[  101.586336] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[  101.591827] sd 2:0:0:0: [sdb] No Caching mode page present
[  101.591834] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[  101.612764]  sdb: sdb1
[  101.616134] sd 2:0:0:0: [sdb] No Caching mode page present
[  101.616145] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[  101.616153] sd 2:0:0:0: [sdb] Attached SCSI disk
[  108.944085] usb 1-1: reset high-speed USB device number 6 using
ehci-pci
[  176.287488] sd 2:0:0:0: [sdb] Unhandled sense code
[  176.287496] sd 2:0:0:0: [sdb]  
[  176.287500] Result: hostbyte=DID_ERROR driverbyte=DRIVER_SENSE
[  176.287505] sd 2:0:0:0: [sdb]  
[  176.287508] Sense Key : Hardware Error [current] 
[  176.287515] sd 2:0:0:0: [sdb]  
[  176.287520] Add. Sense: No additional sense information
[  176.287525] sd 2:0:0:0: [sdb] CDB: 
[  176.287528] Read(10): 28 00 3a 38 4c 2f 00 00 08 00
[  176.287545] end_request: I/O error, dev sdb, sector 976768047
[  176.287552] Buffer I/O error on device sdb1, logical block 488383992
[  176.287557] Buffer I/O error on device sdb1, logical block 488383993
[  176.287562] Buffer I/O error on device sdb1, logical block 488383994
[  176.287566] Buffer I/O error on device sdb1, logical block 488383995
[  233.678913] usb 1-1: USB disconnect, device number 6
[  233.682731] sd 2:0:0:0: [sdb] Unhandled error code
[  233.682738] sd 2:0:0:0: [sdb]  
[  233.682741] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
[  233.682745] sd 2:0:0:0: [sdb] CDB: 
[  233.682748] Read(10): 28 00 00 00 00 00 00 00 08 00
[  233.682763] end_request: I/O error, dev sdb, sector 0
[  233.682768] Buffer I/O error on device sdb, logical block 0

usbmon with 3.9 kernel: attached.

dmesg on older machine:

[12872180.284031] usb 1-1: new high speed USB device using ehci_hcd and
address 3
[12872180.417124] usb 1-1: New USB device found, idVendor=14cd,
idProduct=6116
[12872180.417132] usb 1-1: New USB device strings: Mfr=1, Product=3,
SerialNumber=2
[12872180.417139] usb 1-1: Product: USB 2.0  SATA BRIDGE   
[12872180.417144] usb 1-1: Manufacturer: Super Top   
[12872180.417149] usb 1-1: SerialNumber: M6116018VF16
[12872180.417367] usb 1-1: configuration #1 chosen from 1 choice
[12872180.432449] scsi5 : SCSI emulation for USB Mass Storage devices
[12872180.432800] usb-storage: device found at 3
[12872180.432806] usb-storage: waiting for device to settle before
scanning
[12872180.432841] usbcore: registered new interface driver ums-cypress
[12872185.432265] usb-storage: device scan complete
[12872185.432843] scsi 5:0:0:0: Direct-Access     WDC WD50
00BEVT-22A0RT0        PQ: 0 ANSI: 0
[12872185.434334] sd 5:0:0:0: Attached scsi generic sg3 type 0
[12872185.434970] sd 5:0:0:0: [sdc] 976773168 512-byte logical blocks:
(500 GB/465 GiB)
[12872185.435558] sd 5:0:0:0: [sdc] Write Protect is off
[12872185.435566] sd 5:0:0:0: [sdc] Mode Sense: 03 00 00 00
[12872185.435572] sd 5:0:0:0: [sdc] Assuming drive cache: write through
[12872185.437180] sd 5:0:0:0: [sdc] Assuming drive cache: write through
[12872185.437236]  sdc: sdc1
[12872185.447961] sd 5:0:0:0: [sdc] Assuming drive cache: write through
[12872185.448067] sd 5:0:0:0: [sdc] Attached SCSI disk

Hope this helps.
-- 
Robert