Please ignore my previous message. It must be a symptom of LP #384579, since the HDD LED is constantly lit while running /lib/udev/devkit-disks-part-id /dev/fd0 as well.
Please ignore my previous message. It must be a symptom of LP #384579, since the HDD LED is constantly lit while running /lib/udev/ devkit- disks-part- id /dev/fd0 as well.