PhpStorm or IntelliJ suddenly hangs / freezes / keyboard not responsive/ unresponsive while editing in Linux / Ubuntu

PhpStorm or IntelliJ suddenly hangs / freezes / keyboard not responsive/ unresponsive while editing in Linux / Ubuntu

Try:

# ibus restart

or

Help > Diagnostic > Change memory settings

Reference:

https://blog.cppse.nl/phpstorm-intellij-hangs-freezes-unresponsive-keyboard

http://stackoverflow.com/questions/26524923/phpstorm-freezes-very-often

https://stackoverflow.com/questions/25546022/phpstorm-webstorm-increase-memory-to-more-than-512mb