Hi, I am starting this thread for all new and guru of linux kernel. I have a problem. I have recompiled my kernel (Kernel 2.6.5-1.339) by using following commands #make mrproper #make xconfig #make dep make dep is no longer required #make clean #make bzImage #make modules #make modules_install Then i copied the file bzImage and System.map to /boot directory and made appropriate changes in grub.conf. Then i restarted the PC and booted the new kernel. But the booting procedure stops at Freeing unused kernel memory : 231K freed. When i created the initrd.img i get the following error /dev/mapper/control : No such file or directory Is device-mapper missing from the kernel? Command failed. But when i boot the new kernel i get the line device-mapper : 4.1.0-ioctl (2003-12-10) initialised : firstname.lastname@example.org During the kernel and modules build i got only some warnings. But the procedure went fine. What is wrong with my kernel? I have checked my software requirements(gcc version,make version etc). They are all satisfied.