With Linux 5.15, for Linux Guests, vboxadd-setup.log will show:
error: no such file or directory # include <drm/drm_irq.h>
Since most of the features are native in the kernel, this build failure installing guest additions seems to only effect the initial modesetting for the terminal. X, Shared-Folders, and the rest continues to work fine on the guest. Notified Oracle via the Virtualbox list and we will see what they say. Current Oracle TestBuilds (revs: 148164 and 148140-ext pack) do not address the issue.
So at least for virtualbox-bin, the 5.15 update doesn't cause any significant issues (thankfully!)
Pinned Comments
dbermond commented on 2022-10-21 19:08 (UTC)
Notice:
To avoid crashes when upgrading Guest Additions from version 6.x to 7.x on Windows guests, uninstall the old Guest Additions first, then reboot, and then install the new ones. It's recommended to do all these operations in Safe Mode. See this upstream bug ticket for more details.