I do not think this bug has been satisfactorily fixed. Whenever I try to run Matlab or other java dependent applications such as jconsole I get the following error message:
xcb_xlib.c:82: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. Steps to reproduce bug: Install sun-java6-jdk Run $ jconsole Crashes with the following information: Locking assertion failure. Backtrace: #0 /usr/lib/libxcb-xlib.so.0 [0xb54fb767] #1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x31) [0xb54fb8b1] #2 /usr/lib/libX11.so.6(_XReply+0xfd) [0xb555029d] #3 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb56538ce] #4 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb5630067] #5 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb5630318] #6 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x2f) [0xb563061f] #7 [0xb5ce6e9d] #8 [0xb5cdfedd] #9 [0xb5cdfedd] #10 [0xb5cdd249] #11 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x621c40d] #12 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x6310378] #13 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x621c2a0] #14 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so(JVM_DoPrivileged+0x363) [0x6272153] #15 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/libjava.so(Java_java_security_AccessController_doPrivileged__Ljava_security_PrivilegedAction_2+0x3d) [0xb7cf896d] #16 [0xb5ce6e9d] #17 [0xb5cdfd77] #18 [0xb5cdd249] #19 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x621c40d] jconsole: xcb_xlib.c:82: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. Aborted (core dumped) -- xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. https://bugs.launchpad.net/bugs/87947 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs