Comment 41 for bug 87390

I just updated my system to the latest Hardy packages and stumbled upon this same issue. I am doing development with JOGL (Java OpenGL) and java crashes every time I try to run the program. Here's the output:

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Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb4d16767]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x31) [0xb4d168b1]
#2 /usr/lib/libX11.so.6(_XReply+0xfd) [0xb4fec29d]
#3 /usr/share/jdk1.6.0_02/jre/lib/i386/xawt/libmawt.so [0xb09ed64e]
#4 /usr/share/jdk1.6.0_02/jre/lib/i386/xawt/libmawt.so [0xb09cbf97]
#5 /usr/share/jdk1.6.0_02/jre/lib/i386/xawt/libmawt.so [0xb09cc248]
#6 /usr/share/jdk1.6.0_02/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x2f) [0xb09cc54f]
#7 [0xb5c9966e]
#8 [0xb5c91edd]
#9 [0xb5c91edd]
#10 [0xb5c8f243]
#11 /usr/share/jdk1.6.0_02/jre/lib/i386/client/libjvm.so [0x620bbbd]
#12 /usr/share/jdk1.6.0_02/jre/lib/i386/client/libjvm.so [0x630a6b8]
#13 /usr/share/jdk1.6.0_02/jre/lib/i386/client/libjvm.so [0x620ba50]
#14 /usr/share/jdk1.6.0_02/jre/lib/i386/client/libjvm.so(JVM_DoPrivileged+0x34b) [0x626190b]
#15 /usr/share/jdk1.6.0_02/jre/lib/i386/libjava.so(Java_java_security_AccessController_doPrivileged__Ljava_security_PrivilegedAction_2+0x3d) [0xb7caa96d]
#16 [0xb5c9966e]
#17 [0xb5c91d77]
#18 [0xb5c8f243]
#19 /usr/share/jdk1.6.0_02/jre/lib/i386/client/libjvm.so [0x620bbbd]
java: xcb_xlib.c:82: xcb_xlib_unlock: Assertion `c->xlib.lock' failed.
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And here is my package version info...
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dpkg -l libxcb-xlib0 libx11-6 libxext6 libglib1.2ldbl libgl1-mesa-glx
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-====================-====================-========================================================
ii libgl1-mesa-glx 7.0.2-4ubuntu2 A free implementation of the OpenGL API -- GLX runtime
ii libglib1.2ldbl 1.2.10-19build1 The GLib library of C routines
ii libx11-6 2:1.1.3-1ubuntu1 X11 client-side library
ii libxcb-xlib0 1.1-1 X C Binding, Xlib/XCB interface library
ii libxext6 2:1.0.3-2build1 X11 miscellaneous extension library
------------