IBus prior to 15.11 may cause input problems. See IDEA-78860 for details.

启动 PyCharm 2017.2， 遇到问题： IBus prior to 15.11 may cause input problems. See IDEA-78860 for details.

解决方案：

Solution:
Either upgrade IBus to version 1.5.11 or add "export IBUS_ENABLE_SYNC_MODE=1" to your ~/.profile, then restart a session.
Alternatively, you can turn off IBus at System Settings | Language Support | Keyboard input method.

Over.