[Bug 236337] [NEW] Firefox plugins disappear, go gray, or crash the whole app (especially with multiple instances)

[xtknight]

Public bug reported:

On sites that use a Firefox plugin multiple times, I often notice that
some of the instances go gray and nonfunctional.  Different ones do this
each time you refresh the page.  See here for an example (and the
screenshot): http://www.apple.com/trailers/paramount/ironman/

I have noticed this with the totem plugins (native 64-bit) and Flash
(32-bit) through nspluginwrapper.

I should note that the Flash plugins die completely and never seem to
come back, whereas the totem ones are always just sporadic but never die
out completely.  I am not sure if this is a Firefox problem or a problem
with both of the plugins.

The libvlcplugin.so (64-bit) VLC plugin has a tendency to completely
crash Firefox when I leave a page with VLC plugins embedded.

It seems that this occurs only when there are multiple instances of a
plugin that have been loaded over the course of browsing, but I am not
sure.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

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Firefox plugins disappear, go gray, or crash the whole app (especially with multiple instances)
https://bugs.launchpad.net/bugs/236337
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