/usr/bin/totem:11:magazine_chain_pop_head:thread_memory_magazine1_alloc:g_slice_alloc:g_object_notify_queue_freeze:g_object_unref

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding totem. This problem was most recently seen with package version 42.0-1ubuntu1, the problem page at https://errors.ubuntu.com/problem/ae6854a0c695a678f443c0456198327d8dd2a50e 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/.