It turned out that hibernation aka s2disk is BETTER (generally quicker due to [Z]RAM usage) **while** using FireDragon web browser [Linux]

Replacing a browser changes whole system usage experience.

So far the following exclusive-or: dismission or quick hibernation start.

Main cause maybe FireDragon compiled with R language? As drivers??

Linux usermode programming is somewhat similar to the driver programming.

 QMutex helped one time with controlling GUI from C++ under Qt library. I Don't know precisely, why.

But smartphonized//controlled s**t can comprehend??