hi, I have virtualbox 5.1.38 running (host:buster, guest:sid):
ii virtualbox-5.1 5.1.38-122592~Ubuntu~bionic amd64 Orac ii virtualbox-dkms 4.3.36-dfsg-1+deb8u1 all x86 ii virtualbox-guest-dkms 4.3.36-dfsg-1+deb8u1 all x86 On sid: ii virtualbox-guest-utils 6.0.12-dfsg-1 amd64 x86 virtualization solution - non-X11 guest utilities The guest-utils kernel module fails to compile/install: $ sudo systemctl status virtualbox-guest-utils.service ● virtualbox-guest-utils.service - Virtualbox guest utils Loaded: loaded (/lib/systemd/system/virtualbox-guest-utils.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Mon 2019-09-30 17:24:09 CEST; 11min ago Sep 30 17:24:09 debianunstable systemd[1]: Starting Virtualbox guest utils... Sep 30 17:24:09 debianunstable virtualbox-guest-utils[7586]: Starting VirtualBox Additionsmodprobe vboxsf failed. Please use 'dmesg' to find out why ... failed! Sep 30 17:24:09 debianunstable virtualbox-guest-utils[7586]: failed! Sep 30 17:24:09 debianunstable systemd[1]: virtualbox-guest-utils.service: Control process exited, code=exited, status=1/FAILURE Sep 30 17:24:09 debianunstable systemd[1]: virtualbox-guest-utils.service: Failed with result 'exit-code'. Sep 30 17:24:09 debianunstable systemd[1]: Failed to start Virtualbox guest utils. $ dmesg [...] [ 3305.101930] vboxsf: loading out-of-tree module taints kernel. [ 3305.101980] vboxsf: module verification failed: signature and/or required key missing - tainting kernel [ 3305.102020] vboxsf: Unknown symbol VBoxGuest_RTLogBackdoorPrintf (err -2) [ 3305.102044] vboxsf: Unknown symbol VBoxGuestIDC (err -2) [ 3305.102065] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRequest (err -2) [ 3305.102080] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRelease (err -2) [ 3305.102090] vboxsf: Unknown symbol VBoxGuest_RTStrNLen (err -2) [ 3305.102104] vboxsf: Unknown symbol VBoxGuest_RTLogRelGetDefaultInstanceEx (err -2) [ 3305.102116] vboxsf: Unknown symbol VBoxGuest_RTStrCopy (err -2) [ 3305.102128] vboxsf: Unknown symbol VBoxGuest_RTErrConvertToErrno (err -2) [ 3305.102149] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexCreate (err -2) [ 3305.102158] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexDestroy (err -2) [ 3305.102170] vboxsf: Unknown symbol VBoxGuest_RTMemContFree (err -2) [ 3305.102179] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRelease (err -2) [ 3305.102193] vboxsf: Unknown symbol VBoxGuest_rtR0MemObjLinuxVirtToPage (err -2) [ 3305.102206] vboxsf: Unknown symbol VBoxGuest_RTAssertShouldPanic (err -2) [ 3305.102220] vboxsf: Unknown symbol VBoxGuest_RTLogLoggerEx (err -2) [ 3305.102232] vboxsf: Unknown symbol VBoxGuest_RTMemContAlloc (err -2) [ 3305.102242] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRequest (err -2) [ 3305.102252] vboxsf: Unknown symbol VBoxGuest_RTSemMutexCreate (err -2) [ 3305.102260] vboxsf: Unknown symbol VBoxGuest_RTSemMutexDestroy (err -2) [ 3305.102275] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg1Weak (err -2) [ 3305.102300] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg2Weak (err -2) Would it help if I upgrade vbox to 6.x from download.virtualbox.org? [1] Can I do so safely without breaking my vms? [1] https://tecadmin.net/install-virtualbox-on-debian-10-buster/ Many Thanks and Best Regards, -- Felix Natter debian/rules!
