make pdfdocs fails

[gibeautc]

cloned repo, attempted to run

make pdfdocs

It starting going through the process, but after a few minutes something in sphinx is asking for input. If press enter, it goes a bit further and does the same thing. sample output below:

LaTeX Warning: Hyper reference `media/uapi/v4l/biblio:oprgb' on page 65 undefin
ed on input line 9467.

Overfull \hbox (10.28485pt too wide) in paragraph at lines 9518--9519
[][]
[65]

LaTeX Warning: Hyper reference `media/uapi/v4l/biblio:itu2020' on page 66 undef
ined on input line 9544.

Overfull \hbox (10.28485pt too wide) in paragraph at lines 9595--9596
[][]

Underfull \hbox (badness 10000) in paragraph at lines 9608--9611
\TU/DejaVuSans(0)/m/it/10 The luminance (Y’) and color difference (Cb and Cr) a
re obtained with the following
[66]

LaTeX Warning: Hyper reference `media/uapi/v4l/biblio:smpte431' on page 67 unde
fined on input line 9640.

Overfull \hbox (10.28485pt too wide) in paragraph at lines 9697--9698
[][]

LaTeX Warning: Hyper reference `media/uapi/v4l/biblio:smpte240m' on page 67 und
efined on input line 9714.

Overfull \hbox (10.28485pt too wide) in paragraph at lines 9765--9766
[][]
[67]
Underfull \hbox (badness 10000) in paragraph at lines 9780--9783
\TU/DejaVuSans(0)/m/it/10 The luminance (Y’) and color difference (Cb and Cr) a
re obtained with the following

Overfull \hbox (10.28485pt too wide) in paragraph at lines 9845--9846
[][]

LaTeX Warning: Hyper reference `media/uapi/v4l/biblio:tech3213' on page 68 unde
fined on input line 9881.

[68]
Overfull \hbox (10.28485pt too wide) in paragraph at lines 9933--9934
[][]

LaTeX Warning: Hyper reference `media/uapi/v4l/biblio:smpte2084' on page 69 und
efined on input line 9984.

[69]

LaTeX Warning: Hyper reference `media/uapi/v4l/dev-osd:osd' on page 70 undefine
d on input line 10012.

! Missing \endgroup inserted.

\endgroup
l.10096 \begin{savenotes}\sphinxattablestart

?