Philip, the reproduction using Firefox has been investigated and confirmed to be a gvfs bug (not Firefox bug), and has already been FIXED (!) in the GNOME bug that I've been linking above.
This is just Ubuntu being inactive in shipping the fix. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/517021 Title: gvfsd-metadata causes 100% CPU usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/517021/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs