Public bug reported: Here's how it looks when I run netbeans 6.0 from the terminal:
% apps/netbeans-6.0/bin/netbeans Locking assertion failure. Backtrace: #0 /usr/lib/libxcb-xlib.so.0 [0xb4064767] #1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x31) [0xb40648b1] #2 /usr/lib/libX11.so.6(_XReply+0xfd) [0xb40b929d] #3 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb41c88ce] #4 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb41a5067] #5 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb41a5318] #6 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x2f) [0xb41a561f] #7 [0xb5b52e9d] #8 [0xb5b4bedd] #9 [0xb5b4bedd] #10 [0xb5b49249] #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) [0xb7b6496d] #16 [0xb5b52e9d] #17 [0xb5b4bd77] #18 [0xb5b49249] #19 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x621c40d] Locking assertion failure. Backtrace: #0 /usr/lib/libxcb-xlib.so.0 [0xb4064767] #1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb406481e] #2 /usr/lib/libX11.so.6 [0xb40b85f8] #3 /usr/lib/libX11.so.6(XGetVisualInfo+0x26) [0xb40af186] #4 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb41a4319] #5 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb41a4565] #6 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so [0xb41a53c9] #7 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x2f) [0xb41a561f] #8 [0xb5b52e9d] #9 [0xb5b4bedd] #10 [0xb5b4bedd] #11 [0xb5b49249] #12 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x621c40d] #13 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x6310378] #14 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so [0x621c2a0] #15 /usr/lib/jvm/java-6-sun-1.6.0.04/jre/lib/i386/client/libjvm.so(JVM_DoPrivileged+0x363) [0x6272153] #16 /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) [0xb7b6496d] #17 [0xb5b52e9d] #18 [0xb5b4bd77] #19 [0xb5b49249] Netbeans still runs fine, thanks to a tip I found somewhere: This is in my .zshrc: export LIBXCB_ALLOW_SLOPPY_LOCK=true All other java-programs also output funky error-messages like these. Cgoban3, another java-program, won't start without the LIBXCB_ALLOW_SLOPPY_LOCK export. My kernel: 2.6.24-5-generic Xorg.0.log seems fine, but I can attach it anyways. Java: ii sun-java6-jdk 6-04-0ubuntu1 Sun Java(TM) Development Kit (JDK) 6 ** Affects: ubuntu Importance: Undecided Status: New -- hardy, locking assertion failure when running netbeans https://bugs.launchpad.net/bugs/186355 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