I've attempted to find an answer, but can't find one.
I've installed Virtualbox 5.0.18 from apt.
It installs and runs, but as soon as I try to start a guest, I get errors, and the guest won't run.
Uninstalling virtualbox and installing virtualbox-dkms first fails. I've installed the libelf-dev package as this was mentioned in an earlier dkms make.log.
The make.log is as follows:
DKMS make.log for virtualbox-5.0.18 for kernel 4.15.0-33-generic (x86_64) do 30 aug 2018 16:42:20 CEST make: Map '/usr/src/linux-headers-4.15.0-33-generic' wordt binnengegaan CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/linux/SUPDrv-linux.o
CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/SUPDrv.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/SUPDrvGip.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/SUPDrvSem.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/SUPDrvTracer.o /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/SUPDrvTracer.o: warning: objtool: .text+0x7: indirect jump found in RETPOLINE build CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/SUPLibAll.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/alloc-r0drv.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/initterm-r0drv.o
CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/memobj-r0drv.o
CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/mpnotification-r0drv.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/powernotification-r0drv.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/assert-r0drv-linux.o CC [M] /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.o In file included from /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.c:31:0: /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.c: In function ‘VBoxHost_RTMemContAlloc’: /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/the-linux-kernel.h:309:47: error: implicit declaration of function ‘set_pages_x’ [-Werror=implicit-function-declaration] # define MY_SET_PAGES_EXEC(pPages, cPages) set_pages_x(pPages, cPages) ^ /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.c:444:13: note: in expansion of macro ‘MY_SET_PAGES_EXEC’ MY_SET_PAGES_EXEC(&paPages[iPage], 1); ^ /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.c: In function ‘VBoxHost_RTMemContFree’: /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/the-linux-kernel.h:310:47: error: implicit declaration of function ‘set_pages_nx’ [-Werror=implicit-function-declaration] # define MY_SET_PAGES_NOEXEC(pPages, cPages) set_pages_nx(pPages, cPages) ^ /var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.c:492:13: note: in expansion of macro ‘MY_SET_PAGES_NOEXEC’ MY_SET_PAGES_NOEXEC(&paPages[iPage], 1); ^ cc1: some warnings being treated as errors scripts/Makefile.build:332: recipe for target '/var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.o' failed make[2]: * [/var/lib/dkms/virtualbox/5.0.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.o] Error 1 scripts/Makefile.build:606: recipe for target '/var/lib/dkms/virtualbox/5.0.18/build/vboxdrv' failed make[1]: * [/var/lib/dkms/virtualbox/5.0.18/build/vboxdrv] Error 2
What am I missing/doing wrong?