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[Clausen <1314611@xxxxxxxxxxxxxxxxxx>]

It has the features of a live-lock. The memory usage is only 16%, so I
doubt it is a swap-storm.

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https://bugs.launchpad.net/bugs/1314611

Title:
  Massive load while completely idle

Status in OpenShot Video Editor:
  New

Bug description:
  I had left Openshot open overnight so I could continue my editing in
  the morning, and in the morning I found the machine very sluggish; on
  investigation, Openshot shows up in the top display as 150+% CPU!!

  but it is doing nothing.  It is just sitting there with a paused
  frame.  The top list shows

  PID       user       PR   NI       VIRT        RES       SHR S  %CPU %mem  TIME+  command
  24831 garym     20   0 3644264 646068  16620 R 143.7 16.0 980:32.63 openshot 

  total system memory is 4G with 200M free but 1.8G of swap used. When I
  close Openshot, memory use does not change appreciably, but the load
  drops quite quickly.

  What would Openshot be doing in an idle state that should drive such
  high CPU use?

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