So I wanted to further investigate the issue and installed samsung-tools again.
Immediately my WiFi stopped reconnecting at resume.
Loos like samsung-tools is the problem
You're right, it happened again without TLP. I uninstalled Samsung-Tools, reinstalled pm-utils and now it works.
Now I don't have Samsung-Tools and TLP installed. Only thing that doesn't work now is the FN-F12 wireless button and FN-F11, but I don't need those. At least WiFi reconnects after sleep ...
On a different note, my WiFi is always disconnected when I resume the laptop from sleep. Can anyone confirm this? It's pretty annoying. I found the problem: It was caused by the TLP service. I recommend not to install TLP, as it causes a few problems. Now I uninstalled TLP and instead added this ...
Cpufreq is bad anyway! Install the 3.10 kernel instead. It has a new Intel CPU driver that replaces cpufreq. You will get two hours more battery life ;)
Here is how to install the 3.10 kernel: http://howtoubuntu.org/how-to-install-linux-kernel-3-10-in-ubuntu#.UmKwJN8hFk9
Do not install Ubuntu 13.10 on the 900X3F as you won't be able to fix the FN keys.
Install Ubuntu 13.04 instead! You MUST install in BIOS mode if you want the keyboard backlight! However, you probably can't boot from the USB stick in BIOS mode, so install in UEFI first and the convert your ...