Bug#1010576: akonadi-server: Akonadi/Kontact hangs after resuming from standby
Exactly, but be careful with kill -9. I once broke my database with it such that mariadb would not even start anymore. I had to delete the entire directory and let akonadi recreate it from scratch.
Bug#1010576: akonadi-server: Akonadi/Kontact hangs after resuming from standby
Exact same behavior here. I have this behavior for about 6-8 weeks. After each resume I have to stop akonadi and then kill mariadb (normal kill is nossible due to apparmor, only kill -9 works). After that, akonadi works again. Thanks!