@David: even if you didn't see any crash, the "Warning: Device /dev/sdc has a logical sector size of 2048. Not all parts of GNU Parted support this at the moment, and the working code is HIGHLY EXPERIMENTAL." message indicates a situation where GParted can't work reliably because of a limitation of libparted.
@David: even if you didn't see any crash, the "Warning: Device /dev/sdc has a logical sector size of 2048. Not all parts of GNU Parted support this at the moment, and the working code is HIGHLY EXPERIMENTAL." message indicates a situation where GParted can't work reliably because of a limitation of libparted.