when /lib/udev/vol_id attempts to access the last sector, EIO gets reported to dmesg, and block device is marked "offline" (it is). Reproduced vol_id behavior with: "dd if=/dev/sda of=/dev/null skip=60800 count=1" Cc: stable Signed-off-by: Grant Grundler Signed-off-by: Phil Dibowitz Signed-off-by: Greg Kroah-Hartman ß