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Since the most recent updates of Chrome, npviewer.bin is no longer listed in the process list when a flash content is loaded.

What process does Chrome use now?

** EDIT **

This is Google Chrome 17.0.963.56, and I usually

  1. kill the process when it uses too much memory or
  2. invoke scanmem on it to search for some values
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(1) What were you trying to do with that process? (2) Are we talking about Chrome or Chromium? (3) Which version of chrome/chromium (tool menu button > about chromium)? –  medigeek Feb 18 '12 at 22:45
    
question updated. –  Yanick Rochon Feb 18 '12 at 22:54
    
Perhaps if you install the nspluginwrapper package it will start using it again. I'm not sure though. :) –  medigeek Feb 19 '12 at 11:15
    
And why would I do that? I usually follow the simple of rule of : "If it ain't broken or doesn't need maintenance/upgrade, don't touch it." It works fine now. :) –  Yanick Rochon Feb 19 '12 at 11:32
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1 Answer

up vote 2 down vote accepted

npviewer.bin isn't part of Chrome - it's part of a compatibility wrapper called nspluginwrapper that makes it possible to use the 32-bit Flash plugin (and other 32-bit plugins as well) in a 64-bit browser. To 64-bit Chrome, nspluginwrapper "looks like" a 64-bit Flash plugin. But so does a real 64-bit Flash plugin, which is preferable, so I'd guess that you recently got such a plugin and thus Chrome is no longer using the nspluginwrapper version. Have you got a chrome --type=plugin process? It's been there the whole time, but with nspluginwrapper, it's just a proxy for the real plugin that runs in the npviewer.bin process. For a native 64-bit plugin, the plugin itself runs there.

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oh! wonderful! indeed, there's a --type=plugin --plugin-path=/usr/lib/flashplugin-installer/libflashplayer.so process. Thanks! –  Yanick Rochon Feb 20 '12 at 1:48
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