Vboxdrv: Unknownsymbolmcount (err0) appears when VirtualBox4.3 is installed in Ubuntu14.04)

Kerneldrivernotinstalled (rc =-1908) TheVirtualBoxLinuxkerneldriver (vboxdrv) iseithernotloadedorthereisapermissionproblemwith/dev/vboxdrv. Re-setupthekernelmodulebyexecuting

Kernel driver not installed (rc =-1908)

The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with/dev/vboxdrv. Re-setup the kernel module by executing

'/Etc/init. d/vboxdrv setup'

As root. Users of Ubuntu, Fedora or Mandriva shocould install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary.

If your system is Ubuntu, you can solve the problem as follows:
Sudo aptitude update
Sudo aptitude install dkms
Sudo/etc/init. d/vboxdrv setup

However, an error is reported when the last command is executed. You can view it through dmesg and find that it is vboxdrv: Unknown symbol mcount (err 0)

Search for the error and find that the gcc version is incorrect. This problem occurs because the gcc version is linked to 4.4 When the MTK development environment is configured. Change this to link 4.8. Re-execute the third command above to solve the problem.

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