[uml-user] How to set the "iomem=name,file" when start the UML

Hi all: I got the IO memory emulation information from the http://user-mode-linux.sourceforge.net/iomem.html. CONFIG_MMAPPER is turn on in the config.But I don't know how to " assign a file to it by putting iomem=mmapper,file on the command line. " I started the uml as follow : ./linux ubd0=$HOM

[uml-user] The problem of shuting down the UML in RHN 4.0

If I launch the uml by the xterm as below: xterm -e ./vmlinux ubd0=temp_COW,rootfs or if I add the profix "setsid" as  below: setsid ./vmlinux ubd0=temp_COW,rootfs The uml is launched successfully but when I shut down the UML by halt -p in the vitual console.The UML will shut down and unmout the r