Comment 73 for bug 466575

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Przemek K. (azrael) wrote :

I have the same error with external USB 3.0 disk. It happens both on Ubuntu 11.10 and 12.04, and both when using USB 3.0 and USB 2.0 ports.
Error detaching: helper exited with exit code 1: Detaching device /dev/sdb
USB device: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1)
SYNCHRONIZE CACHE: FAILED: No such file or directory
(Continuing despite SYNCHRONIZE CACHE failure.)
STOP UNIT: FAILED: No such file or directory