[Tex/LaTex] Overfull vbox with scrbook and setspacing

koma-scriptline-spacingsetspacevertical alignmentwarnings

The following MWE gives me a lot of badbox warnings Overfull \vbox (1.39674pt too high) has occurred while \output is active [] with always the same value of 1.39674pt.
It seems to be related to the headline with the chapter title, which is displayed on every page but the first page of a chapter.

\documentclass[
    draft,
    headsepline=true
]{scrbook}

\usepackage[onehalfspacing]{setspace}
\usepackage{blindtext}

\begin{document}
  \chapter{Introduction}
  \Blindtext
  \chapter{Results}
  \Blindtext \Blindtext
  \section{Good results}
  \Blindtext \Blindtext
  \section{Mediocre results}
  \Blindtext \Blindtext
  \section{Bad results}
  \Blindtext \Blindtext
  \chapter{Conclusion}
  \Blindtext
\end{document}

How can I fix this and what is the recommended way to increase linespacing in the KOMA-script documentclasses?

Best Answer

You changed the line space and don't recalculate the type are.

Use:

\usepackage[onehalfspacing]{setspace}
\recalctypearea

To tell typearea (used by KOMA) that the linespace was changed.

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