/usr/bin/guvcview:6:_dbus_abort:_dbus_warn_check_failed:_dbus_warn_return_if_fail:dbus_message_new_method_call:SDL_DBus_CallVoidMethodInternal

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding guvcview. This problem was most recently seen with package version 2.0.6+ubuntu2~ppa1+1431-0ubuntu0~201812132231~ubuntu18.04.1, the problem page at https://errors.ubuntu.com/problem/eb2cf6c35de82d1c90e2dc732a92e0f88925959c contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.