Ok, I've managed to track this down to bios setting regarding "keep feeding electrivity to usb ports while in sleep". So apparently this is some quirk related to failed efi firmware or acpi tables for asus ux31a laptop.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1454253 Title: external usb breaks suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1454253/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
