Oct 20 16:45:51 ubuntu grub-installer: info: Identified partition label for /dev/sdc6: msdos
regarding to
Oct 20 16:47:04 ubuntu ubiquity: grub-probe: error: failed to get canonical path of /dev/sdc6.
Oct 20 16:47:04 ubuntu ubiquity: grub-probe: error: failed to get canonical path of /dev/sdc6.
The log shows also trouble with
Oct 20 16:45:51 ubuntu grub-installer: info: Identified partition label for /dev/sdc6: msdos
regarding to
Oct 20 16:47:04 ubuntu ubiquity: grub-probe: error: failed to get canonical path of /dev/sdc6.
Oct 20 16:47:04 ubuntu ubiquity: grub-probe: error: failed to get canonical path of /dev/sdc6.