This is not only a Java problem i.e. in drscheme there is the same error: https://bugs.launchpad.net/bugs/172517
I know this, because I patched my java to not use Xinerama and since then no java "xcb_xlib_lock: Assertion"-errors. So Java 7 is no solution, but libxcb has to be fixed. -- azureus-> java: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. https://bugs.launchpad.net/bugs/86103 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