unetbootin show a disk full for devices changing their /dev/sdX name

[ediazfer]

unetbootin gives me a disk full while writing to an usb device of 2GB

The usb device is originally listed as /dev/sdb1 (/dev/disk/by-path/pci-0000:00:1d.0-usb-0:1.5:1.0-scsi-0:0:0:0-part1 -> ../../sdb1)

When I run unetbootin with the 32 bit image of mint 16, I quickly get a disk full (around file 11 or 12)

If I look at the devices at that time, the name of the device has changed : (/dev/disk/by-path/pci-0000:00:1d.0-usb-0:1.5:1.0-scsi-0:0:0:0-part1 -> ../../sdc1)
I can also see that the old name of the device (/dev/sdb1) cannot be unmounted because it's still in use (until unetbootin stops)

The result is a filesystem with file sizes 0, no boot installed (the boot from the mkfs.msdos -F 32 telling it's not bootable was still there).

I assume the problem is that the device is restarted/disconnected then reconnected/something by unetbootin, triggering the change. And it is not expected by the program.