Ok this message is being triggered by update-grub when it calls out to os-prober to work out if you have any alternative OSs installed. The message is benign as the ufs mount fails as the partitions in question are not actually in ufs format. That said it is rather scarey.
Ok this message is being triggered by update-grub when it calls out to os-prober to work out if you have any alternative OSs installed. The message is benign as the ufs mount fails as the partitions in question are not actually in ufs format. That said it is rather scarey.