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    Logging Multi-Process Plugins

    When multi-process plugins are enabled, Firefox has the ability to dump additional information about interactions between the browser and a plugin. This is done using NSPR logging. Run Firefox in a custom environment to enable this special logging mode.

    Make sure you have write permissions to wherever you wish to save the log. Your safest bet is your home directory (C:\Users\username on Windows Vista and above, C:\Documents and Settings\username on Windows XP, and ~ (home directory) on Mac OS X and Linux).

    Windows

    Make sure Firefox is not running. From within a command prompt:

    C:\> set NSPR_LOG_MODULES=IPCPlugins:5
    C:\> set NSPR_LOG_FILE=c:\plugins.log
    C:\> cd C:\Program Files\Mozilla Firefox
    C:\> firefox.exe
    

    The log file will be saved to C:\plugins.log (or wherever NSPR_LOG_FILE is set).

    Linux

    Make sure Firefox is not running. From within a bash shell:

    $ export NSPR_LOG_MODULES=IPCPlugins:5
    $ export NSPR_LOG_FILE=~/plugins.log
    $ /usr/bin/firefox 
    

    The file will be saved to ~/plugins.log (or wherever NSPR_LOG_FILE is set).

    Document Tags and Contributors

    Contributors to this page: BenjaminSmedberg, Sheppy, Sid0, wbamberg
    Last updated by: wbamberg,
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