Hi,
after upgrade to MacOS Big Sur Virtual Box can no longer start existing VMs.
Error-Message: Kernel driver not installed (rc=-1908)
Make sure the kernel module has been loaded successfully.
where: suplibOsInit what: 3 VERR_VM_DRIVER_NOT_INSTALLED (-1908) - The support driver is not installed. On linux, open returned ENOENT.
macOS: 11.2.3
VirtualBox: 6.1.20 r143896
The "Allow" Button on System Preferences -> Security & Privacy -> General never shows up.
The installation succeeds without any errors, no errors in the installation log too.
Tried to fix the permissions with
# chflags restricted /Volumes/Macintosh\ HD/private/var/db/KernelExtensionManagement
# chflags restricted /Volumes/Macintosh\ HD/private/var/db/KernelExtensionManagement/Staging
and
# kextcache --clear-staging
in recovery mode - no success. Any help or suggestions are highly appreciated.
Kernel driver not installed (rc=-1908)
-
- Site Moderator
- Posts: 39134
- Joined: 4. Sep 2008, 17:09
- Primary OS: MS Windows 10
- VBox Version: PUEL
- Guest OSses: Mostly XP
Re: Kernel driver not installed (rc=-1908)
This has already been discussed. See sticky at top of forum.