I hesitate to mark this as a dupicate, but here's the related bug report: https://bugs.launchpad.net/ubuntu/+source/calf/+bug/1769785
One workaround is to remove the calf-ladspa package, which should be done anyhow as it's depricated. -- You received this bug notification because you are a member of Ubuntu Studio Bugs, which is subscribed to ardour in Ubuntu. Matching subscriptions: Ubuntu Studio Bugs, ubuntustudio-bugs: ardour https://bugs.launchpad.net/bugs/1787414 Title: ardour-5.12.0 crashed with SIGSEGV in calf_plugins::lv2_instance::lv2_instance() Status in ardour package in Ubuntu: Invalid Status in calf package in Ubuntu: New Bug description: Trying to insert the plugin. ProblemType: Crash DistroRelease: Ubuntu 18.10 Package: ardour 1:5.12.0-3 ProcVersionSignature: Ubuntu 4.17.0-6.7-lowlatency 4.17.9 Uname: Linux 4.17.0-6-lowlatency x86_64 ApportVersion: 2.20.10-0ubuntu7 Architecture: amd64 CrashCounter: 1 CurrentDesktop: XFCE Date: Thu Aug 16 15:54:41 2018 ExecutablePath: /usr/lib/ardour5/ardour-5.12.0 InstallationDate: Installed on 2011-10-14 (2498 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011) ProcCmdline: /usr/lib/ardour5/ardour-5.12.0 Signal: 11 SourcePackage: ardour StacktraceTop: calf_plugins::lv2_wrapper<calf_plugins::filter_audio_module>::cb_instantiate(_LV2_Descriptor const*, double, char const*, _LV2_Feature const* const*) () at /usr/lib/lv2/calf.lv2/calf.so lilv_plugin_instantiate () at /usr/lib/x86_64-linux-gnu/liblilv-0.so.0 ARDOUR::LV2Plugin::init(void const*, long) () at /usr/lib/ardour5/libardour.so.3 ARDOUR::LV2Plugin::LV2Plugin(ARDOUR::AudioEngine&, ARDOUR::Session&, void const*, long) () at /usr/lib/ardour5/libardour.so.3 ARDOUR::LV2PluginInfo::load(ARDOUR::Session&) () at /usr/lib/ardour5/libardour.so.3 Title: ardour-5.12.0 crashed with SIGSEGV in calf_plugins::lv2_wrapper<calf_plugins::filter_audio_module>::cb_instantiate() UpgradeStatus: Upgraded to cosmic on 2018-07-30 (16 days ago) UserGroups: adm admin audio cdrom dialout fax floppy lpadmin lxd plugdev pulse-access sambashare To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ardour/+bug/1787414/+subscriptions -- Mailing list: https://launchpad.net/~ubuntustudio-bugs Post to : ubuntustudio-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntustudio-bugs More help : https://help.launchpad.net/ListHelp