That's impressive; it seems to have got thoroughly confused about the optimal partition alignment on your disk. Could you please press Alt-F2, start a shell, and tell me the output of the following commands?
cat /sys/block/sda/alignment_offset cat /sys/block/sda/queue/minimum_io_size cat /sys/block/sda/queue/optimal_io_size cat /sys/block/sda/queue/physical_block_size
That's impressive; it seems to have got thoroughly confused about the optimal partition alignment on your disk. Could you please press Alt-F2, start a shell, and tell me the output of the following commands?
cat /sys/block/ sda/alignment_ offset sda/queue/ minimum_ io_size sda/queue/ optimal_ io_size sda/queue/ physical_ block_size
cat /sys/block/
cat /sys/block/
cat /sys/block/