[Pkg-virtualbox-devel] Bug#712108: vboxsf: Unknown symbol VBoxGuest_RTSemMutexRelease (err 0)

[Shaddy Baddah]

Package: virtualbox-guest-dkms
Version: 4.2.10-dfsg-1
Severity: grave

After promotion of this package from sid to unstable, I am now seeing 
these errors for vboxsf module:

[ 9637.902883] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRelease (err 0)
[ 9637.902930] vboxsf: Unknown symbol VBoxGuest_RTSemMutexRequest (err 0)
[ 9637.902947] vboxsf: Unknown symbol VBoxGuest_RTSemMutexCreate (err 0)
[ 9637.902971] vboxsf: Unknown symbol VBoxGuest_RTSemMutexDestroy (err 0)

I cannot mount shared folders.

-- System Information:
Debian Release: jessie/sid
   APT prefers unstable
   APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-4-686-pae (SMP w/4 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages virtualbox-guest-dkms depends on:
ii  dkms                    2.2.0.3-1.2
ii  dpkg                    1.16.10
ii  virtualbox-guest-utils  4.2.10-dfsg-1

virtualbox-guest-dkms recommends no packages.

virtualbox-guest-dkms suggests no packages.

-- no debconf information