It seems, that the same, or very similar bug is reported and investigated at:
1. https://bugzilla.kernel.org/show_bug.cgi?id=42844
2. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=644174

However both above reports suggested, that problem is limited to Dell Vostro 
3750, and probably related to erroneous BIOS.
If this is a problem affecting broader class of machines, maybe the chances 
that it will be solved are better.

Is the problem you experience associated with i915 compatible GPU in your 
laptop?
Is the problem worked around if you boot your machine with i915.modeset=0 
kernel parameter?


** Bug watch added: Linux Kernel Bug Tracker #42844
   http://bugzilla.kernel.org/show_bug.cgi?id=42844

** Bug watch added: Debian Bug tracker #644174
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=644174

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https://bugs.launchpad.net/bugs/978891

Title:
  ubuntu 12.04 doesn't boot when usb device plugged in (except usb
  mouse)

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