While attempting ticket's workaround (comment #42) using the "Disk Utility" application, I still experience the following error in 11.04:
"Error detaching: helper exited with exit code 1: Detaching device /dev/sdc
USB device: /sys/devices/pci0000:00/0000:00:05.0/0000:02:00.0/usb7/7-2)
SYNCHRONIZE CACHE: FAILED: No such file or directory
(Continuing despite SYNCHRONIZE CACHE failure.)
STOP UNIT: FAILED: No such file or directory"
While attempting ticket's workaround (comment #42) using the "Disk Utility" application, I still experience the following error in 11.04:
"Error detaching: helper exited with exit code 1: Detaching device /dev/sdc pci0000: 00/0000: 00:05.0/ 0000:02: 00.0/usb7/ 7-2)
USB device: /sys/devices/
SYNCHRONIZE CACHE: FAILED: No such file or directory
(Continuing despite SYNCHRONIZE CACHE failure.)
STOP UNIT: FAILED: No such file or directory"