Hi all, here a follow up on this from my side and a "work-around". I know what's causing the problem and it can be avoided
First of all, this is definitely not a Kubuntu specific problem. I could not identify a specific pattern but I tried various distros on various computers and the problem seems to be related to certain computers (maybe graphic card/driver?). Anyway, I could figure out what is causing the problem. It is related to QT and not loading yade.qt.Controller() at start-up is solving the problem. In order to deactivate this you have to manually modify your yade executable script after install (e.g., /home/user/path-to-your- local-yade-install/install/bin/yade... or /usr/bin/yade or /usr/bin/yadedaily). Look for this line: if (gui<>'none'): yade.qt.Controller() It should be around line 174. Comment this line and safe the script. Launch yade and it should work. In the ipython terminal you can now press F12 to load the Controller and it will be fine. Note that this means that you should not load the qt.Controller() in your scripts either but rather do it once you are in the ipython terminal. I even thought about committing this fix, it just involves commenting/deleting the same line in core/main/main.py.in but wasn't sure if is in all our interests as some are not having this problem and it would mean that the qt.Controller() is not loaded by default. Let me know what you think or if anyone has deeper understanding on what's going on. At least we know what is causing the problem and that there is a workaround. HTH Klaus -- You received this bug notification because you are a member of Yade developers, which is subscribed to Yade. https://bugs.launchpad.net/bugs/1604266 Title: yade not working prpoperly on Ubuntu/Kubuntu 16.04 Status in Yade: New Bug description: Any version of yade (package, yadedaily, compiled) is giving problems on Ubuntu/Kubuntu 16.04. The ipython terminal shows a strange behaviour when starting yade with a script. In addition, yade might crash when doing some simple operations in the ipython command line. Also, using the Inspector does not work for the packaged version (it works for yadedaily and compiled). See discussions [1] and [2]. Problem might be related to QT5 and IPyhton. [1] https://answers.launchpad.net/yade/+question/295951 [2] https://answers.launchpad.net/yade/+question/295827 To manage notifications about this bug go to: https://bugs.launchpad.net/yade/+bug/1604266/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp

