[Bug 214525] [NEW] npviewer.bin hangs sometimes when playing flash

[LimCore]

Public bug reported:


pid 4720  was using 99% of cpu


$ strace -p 4720
Process 4720 attached - interrupt to quit


Process 4720 detached
rafal at desktop:~$ gdb -p 4720
GNU gdb 6.6-debian
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This GDB was configured as "x86_64-linux-gnu".
Attaching to process 4720
Reading symbols from /usr/lib/nspluginwrapper/i386/linux/npviewer.bin...(no debugging symbols found)...done.
Using host libthread_db library "/lib/libthread_db.so.1".
Reading symbols from /usr/lib32/libgtk-x11-2.0.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib32/libgtk-x11-2.0.so.0
Reading symbols from /usr/lib32/libgdk-x11-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib32/libgdk-x11-2.0.so.0
Reading symbols from /usr/lib32/libgobject-2.0.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib32/libgobject-2.0.so.0
Reading symbols from /lib32/libdl.so.2...Reading symbols from /usr/lib/debug/lib32/libdl-2.6.1.so...
(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib32/libdl.so.2
Reading symbols from /usr/lib32/libglib-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib32/libglib-2.0.so.0
Reading symbols from /usr/lib32/libX11.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib32/libX11.so.6
Reading symbols from /usr/lib32/libXt.so.6...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib32/libXt.so.6
Reading symbols from /lib32/libpthread.so.0...Reading symbols from /usr/lib/debug/lib32/libpthread-2.6.1.so...(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
[New Thread 4149294784 (LWP 4720)]
[New Thread 4104555408 (LWP 4739)]
[New Thread 4113931152 (LWP 4738)]
[New Thread 4122323856 (LWP 4737)]

(no debugging symbols found)...done.
Loaded symbols for /lib32/libpthread.so.0

[...]

Loaded symbols for /lib32/libnss_files.so.2

warning: Lowest section in system-supplied DSO at 0xffffe000 is .hash at ffffe0b4
(no debugging symbols found)
0xf7b38123 in g_object_newv () from /usr/lib32/libgobject-2.0.so.0
(gdb) bt
#0  0xf7b38123 in g_object_newv () from /usr/lib32/libgobject-2.0.so.0
#1  0xf7b38839 in g_object_new_valist () from /usr/lib32/libgobject-2.0.so.0
#2  0xf7b38940 in g_object_new () from /usr/lib32/libgobject-2.0.so.0
#3  0xf77a5314 in gdk_pixbuf_new_from_data () from /usr/lib32/libgdk_pixbuf-2.0.so.0
#4  0xf77a342a in gdk_pixbuf_new () from /usr/lib32/libgdk_pixbuf-2.0.so.0
#5  0xf6d82d1a in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#6  0xf6d83187 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#7  0xf6d4c702 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#8  0xf6d34b0c in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#9  0xf6d62540 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#10 0xf6d631f0 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#11 0xf6d6354e in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#12 0xf7073550 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#13 0xf7072d5b in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#14 0xf707408d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#15 0xf7072d5b in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#16 0xf707408d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#17 0xf6fdfcab in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#18 0xf6fe388a in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#19 0xf7100162 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#20 0xf7104738 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#21 0xf7104915 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#22 0xf6cad55d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#23 0xf710f8df in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#24 0xf6d8963b in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#25 0xf6cad01e in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#26 0xf7a968d6 in ?? () from /usr/lib32/libglib-2.0.so.0
#27 0xf5c80000 in ?? ()
#28 0x00000000 in ?? ()
(gdb) quit
The program is running.  Quit anyway (and detach it)? (y or n) y
Detaching from program: /usr/lib/nspluginwrapper/i386/linux/npviewer.bin, process 4720

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

-- 
npviewer.bin hangs sometimes when playing flash
https://bugs.launchpad.net/bugs/214525
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