OSX 10.9 Mavericks Bridged Network error

[socratis]

Yes, as I said it might or might not work. Usually it does. It's not a bug in VBox as far as I know because there is a technical explanation on why this is happening.

[cocorocara]

I found the answer here:
viewtopic.php?f=8&t=56013&start=15#p272403
and
http://theengguy.blogspot.ca/2013/08/vi ... -os-x.html

Essentially, what I found was that all the kernel extensions are not loaded:

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> kextstat | grep virtualbox
  137    0 0xffffff7f8261a000 0x45000    0x45000    org.virtualbox.kext.VBoxDrv (4.3.4) <7 5 4 3 1>

and that causes the bridged network to fail.

When we run the script, it starts all the kernel extensions and the bridged adapter to work!

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> kextstat | grep virtualbox
  137    3 0xffffff7f8261a000 0x45000    0x45000    org.virtualbox.kext.VBoxDrv (4.3.4) <7 5 4 3 1>
  141    0 0xffffff7f8265f000 0x5000     0x5000     org.virtualbox.kext.VBoxNetFlt (4.3.4) <137 7 5 4 3 1>
  142    0 0xffffff7f82664000 0x8000     0x8000     org.virtualbox.kext.VBoxUSB (4.3.4) <137 41 36 7 5 4 3 1>
  143    0 0xffffff7f8266c000 0x6000     0x6000     org.virtualbox.kext.VBoxNetAdp (4.3.4) <137 5 4 1>

However, my setup was a little different from the one proposed in the script and I had to modify the location of the extensions. Also the command line for loading the kernel extensions is a bit different. Here is my script. Hope it works for you!

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#!/bin/bash
 
unload() {
#  sudo ifconfig bridge0 down
#  sudo ifconfig bridge0 unplumb
  kextstat | grep "org.virtualbox.kext.VBoxUSB" > /dev/null 2>&1 \
  && sudo kextunload -b org.virtualbox.kext.VBoxUSB
  kextstat | grep "org.virtualbox.kext.VBoxNetFlt" > /dev/null 2>&1 \
  && sudo kextunload -b org.virtualbox.kext.VBoxNetFlt
  kextstat | grep "org.virtualbox.kext.VBoxNetAdp" > /dev/null 2>&1 \
  && sudo kextunload -b org.virtualbox.kext.VBoxNetAdp
  kextstat | grep "org.virtualbox.kext.VBoxDrv" > /dev/null 2>&1 && \
  sudo kextunload -b org.virtualbox.kext.VBoxDrv
}
 
load() {
  sudo kextload "/Library/Application Support/VirtualBox/VBoxDrv.kext"
  sudo kextload "/Library/Application Support/VirtualBox/VBoxDrv.kext" "/Library/Application Support/VirtualBox/VBoxUSB.kext"
  sudo kextload "/Library/Application Support/VirtualBox/VBoxDrv.kext" "/Library/Application Support/VirtualBox/VBoxNetFlt.kext"
  sudo kextload "/Library/Application Support/VirtualBox/VBoxDrv.kext" "/Library/Application Support/VirtualBox/VBoxNetAdp.kext"
#  sudo ifconfig bridge0 plumb
#  sudo ifconfig bridge0 inet 192.168.20.1 netmask 255.255.255.0 broadcast 192.168.20.255 up
}
 
case "$1" in
  unload|remove)
    unload
    ;;
  load)
    load
    ;;
  *|reload)
    unload
    load
    ;;
esac