the error suggests it tries to use a non existant gsettings key but the backtrace/log doesn't tell which one, can you try to start it manually and copy the error to the bug?
** Information type changed from Private to Public -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to onboard in Ubuntu. https://bugs.launchpad.net/bugs/1617108 Title: onboard crashed with signal 5 in g_settings_get_value() Status in onboard package in Ubuntu: New Bug description: crash, when start de system ProblemType: Crash DistroRelease: Ubuntu 16.10 Package: onboard 1.3.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-33.52-generic 4.4.15 Uname: Linux 4.4.0-33-generic x86_64 ApportVersion: 2.20.3-0ubuntu7 Architecture: amd64 Date: Fri Aug 19 21:17:15 2016 ExecutablePath: /usr/bin/onboard InstallationDate: Installed on 2016-04-26 (122 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20160424) InterpreterPath: /usr/bin/python3.5 ProcCmdline: /usr/bin/python3 /usr/bin/onboard --xid Signal: 5 SourcePackage: onboard StacktraceTop: ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 g_settings_get_value () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 Title: onboard crashed with signal 5 in g_settings_get_value() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/onboard/+bug/1617108/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp