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** Attachment added: "StacktraceSource.txt"
   https://bugs.launchpad.net/bugs/1787414/+attachment/5176360/+files/StacktraceSource.txt

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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:
  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

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