Here are some news on this issue.
See attached crash report as it has been generated this morning.
** Attachment added: crash full repport found in /var/crash
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/553371/+attachment/4381333/+files/_usr_lib_gvfs_gvfsd-metadata.1000.crash
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You
Public bug reported:
Just got an alert in the menu bar (near device icons on the right) coming from
the kernel reporting an issue.
This happened just after powering on the integrated wifi/bluetooth device of my
Dell Precision M4300.
Other details sent automatically through reporting tool...
** Attachment added: AlsaDevices.txt
http://launchpadlibrarian.net/37876452/AlsaDevices.txt
** Attachment added: AplayDevices.txt
http://launchpadlibrarian.net/37876453/AplayDevices.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/37876454/BootDmesg.txt
**