I've reported the issue to GNOME: https://bugzilla.gnome.org/show_bug.cgi?id=722692 Let hope they fix it within next few years.
** Bug watch added: GNOME Bug Tracker #722692 https://bugzilla.gnome.org/show_bug.cgi?id=722692 ** Also affects: pcmanfm via https://bugzilla.gnome.org/show_bug.cgi?id=722692 Importance: Unknown Status: Unknown ** Project changed: pcmanfm => gvfs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/913273 Title: PCManFM consumes >90% CPU To manage notifications about this bug go to: https://bugs.launchpad.net/gvfs/+bug/913273/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs