Your PC may boot to the desktop after seeing one or both of them. Please do not assume you have a driver issue if you see these messages. You can see these messages without having any nvidia driver issues. These messages are return prints of mutually exclusive events, they are not related to each other nor are they directly related to the Nvidia graphics issue.
The second is related to systemd the program start process manager for Ubuntu 15.04 and above the current version of systemd is 219 so the message Starting version 219 is just stating the boot process has begun. The first is related to a new ACPI interface PCC (Platform Communication Channel)
However please read the following before you assume that issueĪCPI PPC Probe failed. If you are experiencing graphics issues it may be related to this bug
