I can confirm this bug on xenial+overlay+silo 2129, however slightly different.
This doesn't crash the dash: ubuntu-app-launch ubuntu-calculator-app_ubuntu-calculator-app_26 This does crash the dash: ubuntu-app-launch ubuntu-calculator-app -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1656358 Title: dash crashes if an app is launched with system's u-a-l instead of unity8-session.u-a-l Status in Canonical System Image: New Status in unity8 package in Ubuntu: New Bug description: zesty + unity8-session 349 Test Case: 1. Launch an app from the command line with system's ual. For example $ ubuntu-app-launch ubuntu-calculator-app_ubuntu-calculator-app_26 Expected result The app fails to launch but the dash doesn't crash Actual result The app fails to launch and the dash crashes. Launching with unity8-session.u-a-l works as expected. To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1656358/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp