Hi Rui: Okay, I ran it from the prompt, started it, ran jack_fst + Crystal, closed Crystal, and qjackctl segfaulted. gdb reports no debugging symbols, I'm using the Planet CCRMA RH9 build, I'll try building from scratch and see how it behaves. Best, dp Rui Nuno Capela wrote: >Hi Dave, > > > >> When I use jack_fst with the Crystal synth it works fine, but when I >>close the plugin qjackctl closes too. Its settings remain in effect, but >>the GUI vanishes. If anyone else has this problem, please let me know if >>you've found a fix for it. It's annoying to have to reopen qjackctl each >>time I use jack_fst. >> >> jack_fst 1.2, qjackctl 0.2.14 >> >> >> > >Could you for instance launch qjackctl from the command line, under gdb >and grab some backtrack information on whether qjackctl is >aborting/segfaulting ? > >Better yet, it would be nicer if you can rebuild qjackctl from source with >full debug information (./configure --enable-debug) and repeat the gdb >session and post the bt output to me. > >Good luck. > >