Did I brick my USB drive?

In Windows I unplugged my USB stick without unmounting, even though it has non-backed-up important information on it (in other words: I'm stupid, please save me from myself). Now I can't seem to get any system to detect it. When I plug it in on Arch I get the following in dmesg:
[ 54.545575] usb 3-2: new high-speed USB device number 2 using xhci_hcd
[ 54.720712] usb 3-2: ep 0x81 - rounding interval to 128 microframes, ep desc says 255 microframes
[ 54.720724] usb 3-2: ep 0x2 - rounding interval to 128 microframes, ep desc says 255 microframes
[ 55.065470] usb-storage 3-2:1.0: USB Mass Storage device detected
[ 55.065773] scsi host6: usb-storage 3-2:1.0
[ 55.065905] usbcore: registered new interface driver usb-storage
[ 55.068040] usbcore: registered new interface driver uas
[ 77.483942] usb 3-2: reset high-speed USB device number 2 using xhci_hcd
[ 77.483985] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 1.
[ 77.484060] usb 3-2: hub failed to enable device, error -22
[ 77.643538] usb 3-2: reset high-speed USB device number 2 using xhci_hcd
[ 77.643586] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 1.
[ 77.643659] usb 3-2: hub failed to enable device, error -22
[ 77.803346] usb 3-2: reset high-speed USB device number 2 using xhci_hcd
[ 82.801139] xhci_hcd 0000:00:14.0: Command completion event does not match command
[ 82.801242] xhci_hcd 0000:00:14.0: Timeout while waiting for setup device command
[ 88.008767] xhci_hcd 0000:00:14.0: Timeout while waiting for setup device command
[ 88.211884] usb 3-2: device not accepting address 2, error -62
[ 88.371754] usb 3-2: reset high-speed USB device number 2 using xhci_hcd
[ 88.386119] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021f5ca540
[ 88.386128] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021f5ca588
[ 88.386144] usb 3-2: ep 0x81 - rounding interval to 128 microframes, ep desc says 255 microframes
[ 88.386149] usb 3-2: ep 0x2 - rounding interval to 128 microframes, ep desc says 255 microframes
Does anyone have a way I can recover at least some of my data?
Thank you so much for any help.
-Mitch

If it worked on all your machines and now doesn't work on any then it's probably a hardware or firmware failure. And it's not like "only" your files are corrupted and can be partially recovered; it seems that the device can't even finish registering with the USB bus. I think it may be screwed up for good.
[ 54.720712] usb 3-2: ep 0x81 - rounding interval to 128 microframes, ep desc says 255 microframes
[ 54.720724] usb 3-2: ep 0x2 - rounding interval to 128 microframes, ep desc says 255 microframes
Do you have old kernel logs? Did the same messages appear in the past?
This 255 here is very suspicious. It suggests that the stick may have been in the process of overwriting some internal configuration data and it just managed to erase the flash memory holding them, but didn't finish programming it with new values. Now all bits read as 1, which confuses the device and/or USB host so badly that they can't talk to each other.
If this is the case, the only hope is in accessing the flash memory directly using some other controller and either guessing what has been overwritten and fixing it or trying to rescue data from the raw flash. It's not exactly easy, I have never done that and I wouldn't even know where to start without having the stick in my hands, but there are data recovery companies that may be able to help for some (likely serious) $$.
Last edited by mich41 (2015-06-03 15:46:19)

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find_devices.vi ‏11 KB

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