VirtualBox 6.1.0: Sabayon as guest: vboxsf issues

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Pilum
Baby Hen
Posts: 4
Joined: Sun Feb 27, 2011 16:00

VirtualBox 6.1.0: Sabayon as guest: vboxsf issues

Post by Pilum » Thu Jan 09, 2020 14:10

Hi,

I've installed (and reinstalled) from the Sabayon_Linux_19.03_amd64_KDE ISO under Windows 10. I've updated the system, and finally installed virtualbox-guest-addons.

After rebooting, I get the following notification: VBoxClient: The VirtualBox kernel service is not running. Exiting.

I've googled around and found others having similar issues, but mostly because they'd installed the guest additions on the host, or because there's a mismatch between the guest additions and the kernel version. As far as I can see that's not the case here. I'm adding some details below which I've seen others having asked for:

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# systemctl status virtualbox-guest-additions
● virtualbox-guest-additions.service - VirtualBox Guest Additions
   Loaded: loaded (/lib/systemd/system/virtualbox-guest-additions.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2020-01-09 12:31:35 CET; 30min left
  Process: 645 ExecStartPre=/sbin/modprobe vboxguest (code=exited, status=0/SUCCESS)
  Process: 648 ExecStartPre=/sbin/modprobe vboxsf (code=exited, status=1/FAILURE)
  Process: 655 ExecStopPost=/sbin/modprobe -r vboxsf (code=exited, status=0/SUCCESS)
  Process: 656 ExecStopPost=/sbin/modprobe -r vboxguest (code=exited, status=0/SUCCESS)

Jan 09 12:31:35 vmpc systemd[1]: Starting VirtualBox Guest Additions...
Jan 09 12:31:35 vmpc modprobe[648]: modprobe: ERROR: could not insert 'vboxsf': Unknown symbol in module, o>
Jan 09 12:31:35 vmpc systemd[1]: virtualbox-guest-additions.service: Control process exited, code=exited, s>
Jan 09 12:31:35 vmpc systemd[1]: virtualbox-guest-additions.service: Failed with result 'exit-code'.
Jan 09 12:31:35 vmpc systemd[1]: Failed to start VirtualBox Guest Additions.

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# uname -r
4.20.0-sabayon

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# equo search box --installed
╠  @@ Searching...
╠      @@ Package: app-emulation/virtualbox-guest-additions-6.1.0#4.20.0-sabayon branch: 5, [__system__] 
╠          Installed:     version: 6.1.0 ~ tag: 4.20.0-sabayon ~ revision: 0
╠          Slot:          0,4.20.0-sabayon
╠          Homepage:      https://www.virtualbox.org/ 
╠          Description:   VirtualBox kernel modules and 
╠                         user-space tools for Gentoo guests 
╠          License:       GPL-2
╠      @@ Package: x11-drivers/xf86-video-vboxvideo-1.0.0 branch: 5, [__system__] 
╠          Installed:     version: 1.0.0 ~ tag: NoTag ~ revision: 5
╠          Slot:          0
╠          Homepage:      https://www.x.org/wiki/ 
╠                         https://gitlab.freedesktop.org/xorg/driver/xf86-video-vbox 
╠          Description:   VirtualBox guest video driver 
╠          License:       MIT

# equo search linux-headers
╠  @@ Searching...
╠      @@ Package: sys-kernel/linux-headers-4.19 branch: 5, [__system__] 
╠          Installed:     version: 4.19 ~ tag: NoTag ~ revision: 0
╠          Slot:          0
╠          Homepage:      https://www.kernel.org/ 
╠                         https://www.gentoo.org/ 
╠          Description:   Linux system headers 
╠          License:       GPL-2
╠   Keywords:  linux-headers
╠   Found:     1 entry

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# modinfo vboxsf
filename:       /lib/modules/4.20.0-sabayon/misc/vboxsf.ko
version:        6.1.0 r135406
alias:          fs-vboxsf
license:        GPL and additional rights
author:         Oracle Corporation
description:    Oracle VM VirtualBox VFS Module for Host File System Access
srcversion:     E81513EF3926B006EEC3ECA
depends:        vboxguest
retpoline:      Y
name:           vboxsf
vermagic:       4.20.0-sabayon SMP mod_unload modversions 
parm:           follow_symlinks:Let host resolve symlinks rather than showing them (int)

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# modprobe vboxsf
modprobe: ERROR: could not insert 'vboxsf': Unknown symbol in module, or unknown parameter (see dmesg)

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# dmesg
[  257.410027] vboxsf: Unknown symbol VBoxGuest_RTLogBackdoorPrintf (err -2)
[  257.410050] vboxsf: Unknown symbol VBoxGuestIDC (err -2)
[  257.410073] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRequest (err -2)
[  257.410089] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexRelease (err -2)
[  257.410100] vboxsf: Unknown symbol VBoxGuest_RTStrNLen (err -2)
[  257.410115] vboxsf: Unknown symbol VBoxGuest_RTLogRelGetDefaultInstanceEx (err -2)
[  257.410128] vboxsf: Unknown symbol VBoxGuest_RTStrCopy (err -2)
[  257.410139] vboxsf: Unknown symbol VBoxGuest_RTErrConvertToErrno (err -2)
[  257.410163] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexCreate (err -2)
[  257.410174] vboxsf: Unknown symbol VBoxGuest_RTSemFastMutexDestroy (err -2)
[  257.410187] vboxsf: Unknown symbol VBoxGuest_RTMemContFree (err -2)
[  257.410197] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRelease (err -2)
[  257.410212] vboxsf: Unknown symbol VBoxGuest_rtR0MemObjLinuxVirtToPage (err -2)
[  257.410228] vboxsf: Unknown symbol VBoxGuest_RTAssertShouldPanic (err -2)
[  257.410244] vboxsf: Unknown symbol VBoxGuest_RTLogLoggerEx (err -2)
[  257.410258] vboxsf: Unknown symbol VBoxGuest_RTMemContAlloc (err -2)
[  257.410270] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRequest (err -2)
[  257.410281] vboxsf: Unknown symbol VBoxGuest_RTSemMutexCreate (err -2)
[  257.410292] vboxsf: Unknown symbol VBoxGuest_RTSemMutexDestroy (err -2)
[  257.410307] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg1Weak (err -2)
[  257.410331] vboxsf: Unknown symbol VBoxGuest_RTAssertMsg2Weak (err -2)
I'm unable to make heads or tails of this. Any help would be appreciated.

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