Hello. I can confirm this calf GUI crash with the latest Debian buster/testing packages (ardour 5.10.0~dfsg-1 and latest calf-plugins and calf-ladspa). The same symptoms appeared as mentioned previously where the calf plugin can be added to my Ardour session (ie. Calf Equalizer 30 Band (LV2)) but the moment I attempt to configure the plugin the GUI does not appear and Ardour crashes.
The resolution was to purge calf-ladspa as Dennis did and now it works fine. Thanks Dennis! Derrick On Thu, 25 May 2017 03:30:39 +0200 Dennis van Dok <denni...@nikhef.nl> wrote: > I've run some tests and debugging sessions; I noticed a few problematic > behaviours with the Calf plugins but they seem have a common origin. > > I had both calf-plugins *and* calf-ladspa on my system, both containing > calf.so with a subtly different implementation. The latter packages > comes from lmms. > > I removed calf-ladspa and now it seems to be ok. > > I have not tried the Debian stretch package of ardour5 yet, I'm still > running my newer 5.9.0 build. > >