Public bug reported: Hi there,
this is from the log file: stefan@Ubuntu-hirsute:/var/log$ more vboxadd-setup.log Building the main Guest Additions 6.1.18 module for kernel 5.11.0-16-generic. Building the shared folder support module. Building the graphics driver module. Error building the module. Build output follows. make V=1 CONFIG_MODULE_SIG= CONFIG_MODULE_SIG_ALL= -C /lib/modules/5.11.0-16-gen eric/build M=/tmp/vbox.0 SRCROOT=/tmp/vbox.0 -j1 modules test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( \ echo >&2; \ echo >&2 " ERROR: Kernel configuration is invalid."; \ echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\ echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it. "; \ echo >&2 ; \ /bin/false) Best regards Stefan ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: virtualbox-guest-additions-iso 6.1.18-1 ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12 Uname: Linux 5.11.0-16-generic x86_64 ApportVersion: 2.20.11-0ubuntu65 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Wed Apr 21 11:59:21 2021 InstallationDate: Installed on 2021-02-01 (79 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210123) PackageArchitecture: all SourcePackage: virtualbox-guest-additions-iso UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: virtualbox-guest-additions-iso (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug hirsute wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1925328 Title: Virtual Box Guest Additions won't build To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox-guest-additions-iso/+bug/1925328/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs