How to find out WHY Flash Player 11.2.202.236 plugins crash in Firefox ESR 10.0.6 on 64-bit Linux

flash crashes dozens of times day , trying figure out why.

 

i have recommended latest player & browser operating system.

 

the diagnostic information have crashes seem occur when few tabs open videos loading in them , when 1 video closed, flash locks browser 30 seconds, , videos loading in separate tabs dumped & plugin crashed.

 

details system http://helpx.adobe.com/flash-player.html

1. flash player version: 11.2.202.236

2. operating system: linux 2.6.32-279.2.1.el6.x86_64 (64-bit)

3. browser: firefox firefox esr 10.0.6

 

this correct set of components.

debugging, i've modified about:config dom.ipc.plugins.timeoutsecs value of 10 seconds 45 seconds (the default), doesn't seem make difference in number of crashes.

 

any idea how more diagnostic information?

unfortunately, there's nothing in "/var/crash" after numerous flash crashes i'm not sure next.

 

the 'dmesg' command reports:

npviewer.bin[16884]: segfault @ 340 ip 00007f26bda22ab0 sp 00007fffa8abbe78 error 6 in libflashplayer.so[7f26bd68d000+1179000]

 

bringing centos 6 "applications->system tools->system monitor", see numerous flash crashes appear have relationship "npviewer.bin", uses "/usr/lib64/flash-plugin/libflashplayer.so" shared object module , has numerous "open files", 1 of "/home/<username>/.xsession-errors".

 

looking @ "/home/<username>/.xsession-errors", find these lines, may useful.

 

here excerpted errors & warnings:

... ... ... ... ... ... ... ... ... ... ...

*** nsplugin viewer  *** warning: unhandled variable 18 (<unknown variable>) in npn_getvalue()

note: child process received `goodbye', closing down

failed create drawable

 

(firefox:5813): gtk-critical **: gtk_clipboard_set_with_data: assertion `targets != null' failed

note: child process received `goodbye', closing down

 

(firefox:5813): gtk-critical **: gtk_clipboard_get_for_display: assertion `!display->closed' failed

failed create drawable

*** nsplugin viewer  *** warning: unhandled variable 18 (<unknown variable>) in npn_getvalue()

failed open vdpau backend libvdpau_nvidia.so: cannot open shared object file: no such file or directory

 

gdk-error **: program 'npviewer.bin' received x window system error.

this reflects bug in program.

the error 'badmatch (invalid parameter attributes)'.

  (details: serial 857 error_code 8 request_code 140 minor_code 3)

  (note programmers: normally, x errors reported asynchronously;

   is, receive error while after causing it.

   debug program, run --sync command line

   option change behavior. can meaningful

   backtrace debugger if break on gdk_x_error() function.)

aborting...

*** nsplugin wrapper *** error: npp_handleevent() wait reply: connection closed

*** nsplugin wrapper *** warning:(../src/npw-wrapper.c:2537):invoke_npp_handleevent: assertion failed: (rpc_method_invoke_possible(plugin->connection))

*** nsplugin wrapper *** error: npobject 0x7f71eb734a00 no longer valid!                                                                                                                                                                93,43          0%

... ... ... ... ... ... ... ... ... ... ...

 

q: find cause of numerous flash crashes on linux?

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