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Bug 679574

Summary: app-emulation/virtualbox-guest-additions-6.0.4 - modprobe: ERROR: could not insert 'vboxsf': Unknown symbol in module, or unknown parameter (see dmesg)
Product: Gentoo Linux Reporter: Boris Vingradov <no111u3>
Component: Current packagesAssignee: Lars Wendler (Polynomial-C) <polynomial-c>
Status: UNCONFIRMED ---    
Severity: normal CC: david.r.bergstein
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---

Description Boris Vingradov 2019-03-06 06:26:20 UTC
I have a problem with mount vbox shared folder:
origin ~ # mount -a
/sbin/mount.vboxsf: mounting failed with the error: No such device

Than I check daemon state I see:
origin ~ # rc-service virtualbox-guest-additions status
 * status: stopped
origin ~ # rc-service virtualbox-guest-additions start
 * Loading kernel modules
modprobe: ERROR: could not insert 'vboxsf': Unknown symbol in module, or unknown parameter (see dmesg)

dmesg for upper action:

[63224.079667] vboxsf: Unknown symbol VBoxGuest_RTMemTmpFree (err -2)
[63224.079672] vboxsf: Unknown symbol VBoxGuestIDC (err -2)
[63224.079678] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRequest (err -2)
[63224.079685] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRelease (err -2)
[63224.079704] vboxsf: Unknown symbol VBoxGuest_RTLogRelGetDefaultInstanceEx (err -2)
[63224.079709] vboxsf: Unknown symbol VBoxGuest_RTStrCopy (err -2)
[63224.079713] vboxsf: Unknown symbol VBoxGuest_RTErrConvertToErrno (err -2)
[63224.079721] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexCreate (err -2)
[63224.079725] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexDestroy (err -2)
[63224.079736] vboxsf: Unknown symbol VBoxGuest_RTAssertShouldPanic (err -2)
[63224.079742] vboxsf: Unknown symbol VBoxGuest_RTLogLoggerEx (err -2)
[63224.079748] vboxsf: Unknown symbol VBoxGuest_RTMemTmpAllocTag (err -2)
[63224.079779] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg1Weak (err -2)
[63224.079914] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg2Weak (err -2)
[63308.666365] vboxsf: Unknown symbol VBoxGuest_RTMemTmpFree (err -2)
[63308.666436] vboxsf: Unknown symbol VBoxGuestIDC (err -2)
[63308.666443] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRequest (err -2)
[63308.666452] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRelease (err -2)
[63308.666458] vboxsf: Unknown symbol VBoxGuest_RTLogRelGetDefaultInstanceEx (err -2)
[63308.666463] vboxsf: Unknown symbol VBoxGuest_RTStrCopy (err -2)
[63308.666467] vboxsf: Unknown symbol VBoxGuest_RTErrConvertToErrno (err -2)
[63308.666478] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexCreate (err -2)
[63308.666482] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexDestroy (err -2)
[63308.666496] vboxsf: Unknown symbol VBoxGuest_RTAssertShouldPanic (err -2)
[63308.666504] vboxsf: Unknown symbol VBoxGuest_RTLogLoggerEx (err -2)
[63308.666512] vboxsf: Unknown symbol VBoxGuest_RTMemTmpAllocTag (err -2)
[63308.666528] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg1Weak (err -2)
[63308.666538] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg2Weak (err -2)

My kernel version is:
Linux origin 4.20.11-gentoo #2 SMP Tue Mar 5 14:23:33 +03 2019 x86_64 Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz GenuineIntel GNU/Linux

So I found topic on gentoo forum: https://forums.gentoo.org/viewtopic-t-1085266-start-0.html with same problem for 4.19.x kernel
Comment 1 David R. Bergstein 2021-01-19 03:32:04 UTC
I am seeing this issue on virtualbox-guest-additions-6.1.16-r1 as well.  Below is a copy of the error, which occasionally causes the X11 server to fail on initial login.

[   19.346404] vboxsf: loading out-of-tree module taints kernel.
[   19.346466] vboxsf: module verification failed: signature and/or required key missing - tainting kernel
[   19.346505] vboxsf: Unknown symbol VBoxGuest_RTLogBackdoorPrintf (err -2)
[   19.346526] vboxsf: Unknown symbol VBoxGuestIDC (err -2)
[   19.346550] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRequest (err -2)
[   19.346566] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRelease (err -2)
[   19.346576] vboxsf: Unknown symbol VBoxGuest_RTStrNLen (err -2)
[   19.346590] vboxsf: Unknown symbol VBoxGuest_RTLogRelGetDefaultInstanceEx (err -2)
[   19.346603] vboxsf: Unknown symbol VBoxGuest_RTStrCopy (err -2)
[   19.346616] vboxsf: Unknown symbol VBoxGuest_RTErrConvertToErrno (err -2)
[   19.346639] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexCreate (err -2)
[   19.346649] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexDestroy (err -2)
[   19.346663] vboxsf: Unknown symbol VBoxGuest_RTMemContFree (err -2)
[   19.346673] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRelease (err -2)
[   19.346687] vboxsf: Unknown symbol VBoxGuest_rtR0MemObjLinuxVirtToPage (err -2)
[   19.346702] vboxsf: Unknown symbol VBoxGuest_RTAssertShouldPanic (err -2)
[   19.346718] vboxsf: Unknown symbol VBoxGuest_RTLogLoggerEx (err -2)
[   19.346731] vboxsf: Unknown symbol VBoxGuest_RTMemContAlloc (err -2)
[   19.346742] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRequest (err -2)
[   19.346754] vboxsf: Unknown symbol VBoxGuest_RTSemMutexCreate (err -2)
[   19.346764] vboxsf: Unknown symbol VBoxGuest_RTSemMutexDestroy (err -2)
[   19.346779] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg1Weak (err -2)
[   19.346806] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg2Weak (err -2)