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[Bug 490733] npviewer.bin[PID]: segfault at **** ip *** sp *** error 4 in libpthread-2.8.so[****+**]
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 1 Apr 2009 05:09:17 -0600 (MDT)
  • Message-id: <20090401110917.CFA94CC74F@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=490733

User sbrabec@xxxxxxxxxx added comment
https://bugzilla.novell.com/show_bug.cgi?id=490733#c3





--- Comment #3 from Stanislav Brabec <sbrabec@xxxxxxxxxx> 2009-04-01 05:09:17
MDT ---
As browser is a 64-bit application and Flash 32-bit plugin, things work in this
way:

- There is a 64-bit browser plugin npwrapper.libflashplayer.so.

- There is an invisible 32-bit browser npviewer.bin running 32-bit Flash
plugin.

- npwrapper.libflashplayer.so itself just sends all actions to npviewer.bin,
and it calls the the action in the plugin and any replies are translated in the
same way back to the browser.


Flash itself crashes pretty often. With a native Firefox browser, it crashes
the browser. With the nspluginwrapper, it crashes just the npviewer.bin and
Firefox survives (without Flash). Starting with openSUSE 11.1, nspluginwrapper
detects viewer crashes and is capable to restart it.

To identify, whether the crash is caused by nsplugiwrapper or the plugin, you
need a backtrace. If it is a crash in the proprietary plugins, I cannot help.
If it is a crash of nspluginwrapper itself, it can be debugged and fixed.

I don't know, how it Flashblock works and whether it can be the cause of the
crash.

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