On 30/09/2019 16:45, Felix Natter wrote:
> 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,
>
There's a clue in the versions of the Vbox on the host and the guest
utils. :-)
