Combat, thank for posting the Lucid logs, as it did help immensely in revealing 
the true root cause. In your current Saucy install, could you please add to 
your kernel boot parameters the following:
irqpoll

One may do this via a terminal:
sudo gedit /etc/default/grub

and change:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

to:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash irqpoll"

execute at a terminal:
sudo update-grub

restart your computer, and advise if anything changes.

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1210858

Title:
  [Sony VAIO SVT15117CXS] USB 2.0 ports not working

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