rebuild_module_dependencies() { EXTRAMODULES='extramodules-3.1-ARCH' depmod $(cat /lib/modules/$EXTRAMODULES/version) } post_install() { rebuild_module_dependencies echo '>>> The module r8168 conflicts with r8169. You can blacklist it with:' echo '>>> `echo "blacklist r8169" > /etc/modprobe.d/r8169_blacklist.conf`' } post_upgrade() { rebuild_module_dependencies } post_remove() { rebuild_module_dependencies }