Ubuntu: Strange error messages in /var/log/apport.log



Question:

The log file /var/log/apport.log contains a lot of messages of the form:

ERROR: apport (pid 7107) Fri Dec 16 18:58:31 2016: called for pid 7103, signal 5, core limit 0  ERROR: apport (pid 7107) Fri Dec 16 18:58:31 2016: executable: /usr/bin/xfsettingsd (command line "xfsettingsd --display :0.0 --sm-client-id 227270fe4-2f8e-4ec9-a0f8-560f8200286e")  ERROR: apport (pid 7107) Fri Dec 16 18:58:31 2016: gdbus call error: Error: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files  ERROR: apport (pid 7107) Fri Dec 16 18:58:31 2016: debug: session gdbus call:   ERROR: apport (pid 7107) Fri Dec 16 18:58:31 2016: this executable already crashed 2 times, ignoring  ERROR: apport (pid 7116) Fri Dec 16 18:58:31 2016: another apport instance is already running, aborting  ERROR: apport (pid 7119) Fri Dec 16 18:58:31 2016: another apport instance is already running, aborting  

What's going wrong here?


Solution:1

Hey so I am not 100% sure what is causing the errors but it looks like your XFCE experienced an issue where it crashed. In the logs we see the signal 5 (signal man page) for the pid 7103, and then another pid starts up 7107. For pid 7107 the error looks like it originated from /usr/bin/xfsettingsd, that had two other crashes but the log just logged it as: this executable already crashed 2 times, ignoring. It looks like XFCE tried to start another instance but 7107 did not stop entirely and so it was not able to start again.

I'm not 100% on this so if someone knows more about this then me, please correct me.


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