I've come across the same error message burning a DVD (from a .ISO)
using growisofs, which I overcame by setting a burning speed manually (
-speed=4).
I suspect it might be an issue with the automatic speed calibration
routines, but I don't know how to debug this further.
--
Unable to burn DVD
h
Public bug reported:
Appeared while updating the system.
ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.3-0ubuntu0.18.04.3
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
Apport