Comment 1 for bug 48646

Thanks for taking the time to report this bug. Unfortunately, we are
not able to fix and find the bug because your description of the bug
didn't have enough information in it. Debugging procedures for certain types of problems can be found at
http://wiki.ubuntu.com/DebuggingProcedures

In particular, you may be interested in https://wiki.ubuntu.com/DebuggingXAutoconfiguration