This bug is missing log files that will aid in diagnosing the
problem. From a terminal window please run:

apport-collect 2098959

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you
are unable to run this command, please add a comment stating
that and change the bug status to 'Confirmed'.

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Benjamin Wheeler (benjaminwheeler)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

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

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https://bugs.launchpad.net/bugs/2098959

Title:
  System Freeze on suspend/resume

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Recently I put my Laptop into sleep mode like normal and later tried to wake 
it up but the machine was unresponsive.
  Interestingly opening the tty still worked (the second time it happened I 
pressed ctrl+f1 immediately after I noticed the freeze) but as soon as I 
interacted with the desktop environment (e.g. through a (normal) key press) the 
system froze completely.
  After a hard restart the same thing happened again after waking from sleep 
mode. I couldn't reproduce it the following days.
  From the logs (see attachments), I would extract that the problem is already 
at the time of entering sleep mode. Anyway would be very happy if you could 
look into this BUG: kernel NULL pointer dereference.

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