arts does not allow the CPU to enter C3 state, thus eating up a lot of battery. Frankly, I can't see why this should happen (also, some months ago when I last checked, it was working like a charm). Helpers or pointers to documentation would be gladly welcome :P Reproducible: Always Steps to Reproduce:
I don't think we can do much for that, I can only point you to bugs.kde.org, there are already a lot of similar issues there: http://bugs.kde.org/buglist.cgi?short_desc_type=allwordssubstr&short_desc=cpu&product=arts
Created attachment 49974 [details] An init script to work around this problem I can suggest a small workaround... it's an init script that can be added to a "battery" runlevel to save power.