Those messages do not cause failures directly. Please boot with out the "quiet" boot option and see where it stops.
You can also try some of the things here:
https://wiki.ubuntu.com/DebuggingSystemCrash https://wiki.ubuntu.com/DebuggingIRQProblems https://wiki.ubuntu.com/DebuggingProcedures
Those messages do not cause failures directly. Please boot with out the "quiet" boot option and see where it stops.
You can also try some of the things here:
https:/ /wiki.ubuntu. com/DebuggingSy stemCrash /wiki.ubuntu. com/DebuggingIR QProblems /wiki.ubuntu. com/DebuggingPr ocedures
https:/
https:/