npviewer.bin crashed with SIGSEGV in pthread_mutex_lock()

Binary package hint: nspluginwrapper

Same problem as #126040 (which was closed)

I am not sure if it is always the same problem, but npviewer.bin does crash quite often...

Output of: sudo apport-retrace -usv -c _usr_lib_nspluginwrapper_i386_linux_npviewer.bin.1000.crash:

--- stack trace ---
#0 0xf7976540 in pthread_mutex_lock () from /lib32/libpthread.so.0
#1 0xf6da0b08 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#2 0xf5b83024 in ?? ()
#3 0xf72f6e20 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#4 0xffb77778 in ?? ()
#5 0xf72f6e20 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#6 0xf73373e0 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#7 0x00000034 in ?? ()
#8 0xffb777a8 in ?? ()
#9 0xf6df7592 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
--- thread stack trace ---
.
Thread 4 (process 6850):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xf7978f15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib32/libpthread.so.0
#2 0xf6ca9728 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#3 0xf6da2dd8 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#4 0xf6ca9a7d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#5 0xf79744fb in start_thread () from /lib32/libpthread.so.0
#6 0xf78ecb1e in clone () from /lib32/libc.so.6
.
Thread 3 (process 6851):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xf7978f15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib32/libpthread.so.0
#2 0xf6ca9728 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#3 0xf6da2dd8 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#4 0xf6ca9a7d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#5 0xf79744fb in start_thread () from /lib32/libpthread.so.0
#6 0xf78ecb1e in clone () from /lib32/libc.so.6
.
Thread 2 (process 6852):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xf797b175 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0
#2 0xf6cb38d8 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#3 0xf79744fb in start_thread () from /lib32/libpthread.so.0
#4 0xf78ecb1e in clone () from /lib32/libc.so.6
.
Thread 1 (process 6837):
#0 0xf7976540 in pthread_mutex_lock () from /lib32/libpthread.so.0
#1 0xf6da0b08 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#2 0xf5b83024 in ?? ()
#3 0xf72f6e20 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#4 0xffb77778 in ?? ()
#5 0xf72f6e20 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#6 0xf73373e0 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#7 0x00000034 in ?? ()
#8 0xffb777a8 in ?? ()
#9 0xf6df7592 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
Date: Wed Feb 27 01:14:43 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/lib/nspluginwrapper/i386/linux/npviewer.bin
NonfreeKernelModules: nvidia cdrom
Package: nspluginwrapper 0.9.91.5-1ubuntu1
PackageArchitecture: amd64
ProcCmdline: /usr/lib/nspluginwrapper/i386/linux/npviewer.bin --plugin /usr/lib/flashplugin-nonfree/libflashplayer.so --connection /org/wrapper/NSPlugins/libflashplayer.so/6751-1
ProcCwd: /home/berdir
ProcEnviron:
 LANGUAGE=de_CH:de
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=de_CH.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: nspluginwrapper
StacktraceTop:
 pthread_mutex_lock () from /lib32/libpthread.so.0
 ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
 ?? ()
 ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
 ?? ()
Title: npviewer.bin crashed with SIGSEGV in pthread_mutex_lock()
Uname: Linux 2.6.24-8-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video