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At the grub prompt, hi 'e' to edit the parameters. Remove rhgb quiet from the kernel parameters. It's a known bug.


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Your question is related to the concept of oversubscription [1] (allocating more virtual/logical resources than are physically available) in virtualization. In general, it is safe to oversubscribe on CPU, but not on memory. Typically hypervisors reserve memory ahead of time, which deprives the host of its use, reserving the RAM for the guest. However, CPU ...


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That allocation is the number of GUEST cpus not the number of HOST cpus that can be used. While they are often very similar, virtualbox tries to use as little CPU as possible, they are not the same. Virtualbox, and any other VM software, will need to use some of your host CPU to emulate the other devices. (such as the video card) The fact that your mouse ...



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