Web Browser: Chromium Browser Version: 52.0.2743.116 Operating System: $ uname -a Linux NightmareMoon 4.4.6-gentoo #1 SMP Fri Jul 15 02:41:58 2016 x86_64 AMD Athlon(tm) X4 620 Processor Authentic AMD GNU/Linux If Javascript is enabled: Yes Your anti-virus software: AppArmor List of any browser add-ons: N/A or extensions enabled: BetterTweetDeck 3 cVim DNSSEC Validator HTTPS Everywhere Stylish TLSA Validator uBlock Origin uMatrix WOT: Web of Trust, Website Reputation Rating What happened: All the inputs(keyboard, mouse, tablet, SSH, …) got disabled and only the graphics and sound worked.