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Ticket Resolution Summary Owner Reporter
#6362 fixed [Fedora 12] 'mount c /mnt/c -t vboxsf' in rc.local fails w/SELinux error => Fixed in SVN William Meier
Description

Configuration:

VirtualBox 3.1.4 with guest-additions installed and with a Fedora12 guest with SELinux enabled;

Issue:

Mounting a vboxsf file-system at boot-time in rc.local fails with a SELinux error.

It appears than when mount is run from an init script that any mount "helpers" (eg: mount.vboxsf) must have "mount_exec_t" security context.

So: I suspect that

/opt/VBoxGuestAdditions-3.1.4/lib/VBoxGuestAdditions/mount.vboxsf

should be installed with mount_exec_t context (not usr_t).

(After I made this change, a 'mount ... -t vboxsf' in rc.local then worked properly).


SELinux error:

SELinux is preventing /bin/mount "execute" access to
/opt/VBoxGuestAdditions-3.1.4/lib/VBoxGuestAdditions/mount.vboxsf.

...

Source Context                system_u:system_r:mount_t:s0
Target Context                unconfined_u:object_r:usr_t:s0
Target Objects                /opt/VBoxGuestAdditions-3.1.4/lib/VBoxGuestAdditio
                              ns/mount.vboxsf [ file ]
Source                        mount
Source Path                   /bin/mount
#14510 obsolete vboxadd.service startup times out on Fedora 22 boot William Meier
Description

I recently started getting the following when booting my Fedora 22 guest system on my Windows 7 host.

[...] systemd[1]: vboxadd.service start operation timed out. Terminating.
[...] systemd[1]: Failed to start VirtualBox Linux Additions kernel modules.
[...] systemd[1]: Unit vboxadd.service entered failed state.
[...] systemd[1]: vboxadd.service failed.

After some poking around I determined that the timeout occurred while executing the following in the vboxadd init script:

    if $MODPROBE -c 2>/dev/null | grep -q '^allow_unsupported_modules  *0'; then
      MODPROBE="$MODPROBE --allow-unsupported-modules"
    fi

I changed the timeout specified in the vboxadd.service config file from 5 minutes to 10 minutes and the timeout no longer occurred.

I should note that this timeout started happening only after some recent Fedora 22 updates. I had no problems previously.

#11784 obsolete Critical Windows 8 freeze after start-up since updating to VB 4.2.12 willybana
Description

I previously had a perfectly functional Windows 8 guest virtual machine working within Mac OS X Mountain Lion, I believe using VB 4.2.4.

I updated to VB 4.2.12 earlier this week and have since been unable to functionally run the virtual machine.

On starting the machine, I get as far as the Windows 8 logo screen (i.e. not very far) but the 'loading circles' never appear. VB remains responsive for a short while but the screen never changes and eventually I can only force quit the application.

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