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I have a question regarding the interpretation of kernel FAQ charts found here, namely this one.

  1. First of all, what does the .x tell us? What is the difference between 14.04.0 and 14.04.1 or 14.04.2 and is there a way of switching between them in both directions?
  2. What does the text below the bars tell us, e.g. v3.19 == Vivid 15.04 HWE Kernel? In that case what is the difference between 14.04.3 and 15.04?
  3. If one has Ubuntu 14.04.3 installed, what happens when one does not use kernel v3.19 but instead kernel v3.13 or v4.2?
tepsijash
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2 Answers2

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First of all, what does the .x tell us?

That the kernel version for 16.04 was not finalized at the time the chart was made.

What is the difference between 14.04.0 and 14.04.1 or 14.04.2 and is there a way of switching between them in both directions?

What are point releases in LTS versions?

What does the text below the bars tell us, e.g. v3.19 == Vivid 15.04 HWE Kernel?

What is hardware enablement (HWE)? So, the HWE update released after 15.04 will use the 15.04 kernel, 3.19.

In that case what is the difference between 14.04.3 and 15.04?

15.04 will include updates to a number of userland packages which will never hit 14.04. For example, many software from the GNOME project are on 3.10 or older in 14.04, and usually 3.14 in 15.04.

If one has Ubuntu 14.04.3 installed, what happens when one does not use kernel v3.19 but instead kernel v3.13 or v4.2?

Other than that you miss new features (and bugs, accordingly) from 3.19 in 3.13 or gain features in 4.2, nothing special.

Community
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muru
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I have not tried it, but I would assume they may have a 50/50 but those are the builds of the os based of those kernels which is the OS. The kernel is almost like the beginning

MoW3
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