Right, it seems there is a duplicate installed in etc:
``` # dpkg -S /usr/lib/modprobe.d/virtualbox-dkms.conf virtualbox-dkms: /usr/lib/modprobe.d/virtualbox-dkms.conf ``` ``` # cat /usr/lib/modprobe.d/virtualbox-dkms.conf # # In kernel 6.12, KVM initializes virtualization on module loading by # default. This prevents VirtualBox VMs from starting. In order to # avoid this, block loading kvm module by default. # (No need to do manually execute modprobe -r kvm_xxx and so on) # See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1082157 # options kvm enable_virt_at_load=0 ``` Also: ``` # dpkg -S /etc/modprobe.d/virtualbox-dkms.conf/virtualbox-dkms.modprobe.conf virtualbox-dkms: /etc/modprobe.d/virtualbox-dkms.conf/virtualbox-dkms.modprobe.conf ``` ``` # cat /etc/modprobe.d/virtualbox-dkms.conf/virtualbox-dkms.modprobe.conf # # In kernel 6.12, KVM initializes virtualization on module loading by # default. This prevents VirtualBox VMs from starting. In order to # avoid this, block loading kvm module by default. # (No need to do manually execute modprobe -r kvm_xxx and so on) # See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1082157 # options kvm enable_virt_at_load=0 ```
