运行qt时,点击QMessageBox的确定按钮是出现错误QWSLock::up(): Invalid argument, QWSLock::down(): Invalid argument,这个是qt的bug.在网上找到patch更改之后从新编译,更改之后,问题解决. 参考链接: http://www.mail-archive.com/community@lists.openmoko.org/msg65512.html https://git.congatec.com/yocto/poky/c…