On a freshly new installation of SuSE 10.1 (machine Pentium III 700Mhz), with only "Basic Graphic environment", traditional X application (should be using Xlib widgets) starts extremely slow, but performs reasonably fast after started. reproduce: 1. login with xdm (gdm not installed) and enter window maker environment. WindowMaker is configured as X session manager by writing it in .xsession 2. Click XTerm icon to launch xterm 3. CPU usage goes to 100%, showing X used up most resources, mouse cursor can hardly move. This goes on for one to two minute until xterm window shows up, then everything goes back normal; 4. type 'gftp' in xterm, gftp starts in less then 10 seconds 5. type 'xmessage hello world' in xterm, CPU usage goes up to 100% like described in 3), the system almost no respond, xmessage window pops up in 48 seconds. Other X application written in traditional way (yudit) also launches extremely slow. On other Linux boxes (e..g Gentoo) xmessage window pops up almost immediately, less then 1 second. While on this SuSE 10.1 it takes 48 seconds. What could probably be the cause? Where can I obtain more debug info / log info to help you determine the cause of my problem? Thanks a lot! P.S. This mail's subject isn't precious actually, because I am not sure if it's really only the X application using Xlib widgets are slow, but I get no better way to describe it. -- 锐业软服（国内业务） http://www.realss.cn Real SoftService http://www.realss.com 销售咨询(Sales Department): 0086 592 20 99987 (Chinese, German, English) 国际业务(International Sales): 0086 10 8460 6011 (German and English) 联系：厦门大学科技园，嘉庚二号楼6楼 邮政：厦门大学2312号信箱（邮编361005）