I am also affected. The browser window contents does not render, system is unresponsive. Sometimes only mouse can move and can change LED status on the keyboard (e.g. with Caps lock), but cannot even go to console or kill X system.
After rebooting, I checked /var/log/syslog and there are some errors related to GPU. Attaching it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1577168 Title: Browser hangs Ubuntu 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/1577168/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs