On 1/17/21 5:43 PM, [email protected] wrote: > I'm compiling VirtualBox support into the latest kernel-5.4.80-gentoo-r1 > > [*] Virtualization ---> > <*> Kernel-based Virtual Machine (KVM) support > <*> KVM for AMD processors support > > And I get an error when compiling the kernel: make && make modules_install > > DEPMOD 5.4.80-gentoo-r1 > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_mmap > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_manager_func > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_device_release > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_kunmap > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_del_sub_from_lru > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_device_init > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_init_mm > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_dma_acc_size > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_tt_init > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_kmap > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_add_to_lru > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_init > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_validate > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_move_to_lru_tail > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_put > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_tt_fini > depmod: WARNING: /lib/modules/5.4.80-gentoo-r1/misc/vboxvideo.ko needs > unknown symbol ttm_bo_eviction_valuable
In kernel-5.4.80-gentoo-r1 CONFIG_DRM_VBOXVIDEO is not set need to be set for VirtualBox. The strange part is that this setting is not enable in: kernel-5.4.72-gentoo x86_64 and VirtualBox is working and I never got any error messages like this when compiling kernel-5.4.72-gentoo
