I recently started to run Manjaro on one of my non-essential production machines as a replacement candidate for Ubuntu which had a couple of annoying malfunctions since 16.04 (dropped fglx support for AMD graphics devices and buggy OS-drivers, non-working Qt Creator IDE, outdated software in the Ubuntu Software center, bluetooth pairing problems…). One problem I stumbled across was that Manjaro refuses to connect to my WLAN-AP after waking up from hibernation.
This bug seems to have popped up again and again among various distros. A solution is to “cycle” the network service once from the console:
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[user@manjaro ~] sudo modprobe -r iwldvm [user@manjaro ~] sudo modprobe -r iwlwifi [user@manjaro ~] sudo modprobe -iwlwifi |