Your hardware specification is fine for the R200, so that shouldn't be the cause of the problem that you experienced.
"kvm: disabled by bios" is apparently an error generated by Ubuntu Linux, not by Librealsense. An Ask Ubuntu page explains the meaning of the error.
ACPI errors are computer BIOS-related errors related to configuring hardware components for the purposes of power management.
Although uvcv is mentioned often in Librealsense problems, it is apparently not specifically a Librealsense file, but rather is a Linux driver that webcams use.
Regarding the 'failed to query' issue: someone said in November 2016 that it may be caused by an operating system that needs to be updated, and that the update could be done with this instruction:
sudo apt-get update; sudo apt-get upgrade