什么是device-mapper

huzhe

编译内核之后提示找不到device-mapper?什么意思


linux-qwmw:/usr/src/linux-2.6.21.3 # make install
sh /usr/src/linux-2.6.21.3/arch/i386/boot/install.sh 2.6.21.3-bigsmp arch/i386/boot/bzImage System.map "/boot"
Root device:    /dev/sda7 (mounted on / as ext3)
Module list:    processor thermal amd74xx sata_nv ide-generic fan jbd ext3 edd (xennet xenblk)

Kernel image:   /boot/vmlinuz-2.6.21.3-bigsmp
Initrd image:   /boot/initrd-2.6.21.3-bigsmp
Shared libs:    lib/ld-2.5.so lib/libacl.so.1.1.0 lib/libattr.so.1.1.0 lib/libblkid.so.1.0 lib/libc-2.5.so lib/libcom_err.so.2.1 lib/libdl-2.5.so lib/libext2fs.so.2.4 lib/libhistory.so.5.1 lib/libncurses.so.5.5 lib/libpthread-2.5.so lib/libreadline.so.5.1 lib/librt-2.5.so lib/libutil-2.5.so lib/libuuid.so.1.2 lib/libvolume_id.so.0.73.0 lib/libnss_files-2.5.so lib/libnss_files.so.2 lib/libgcc_s.so.1
Cannot determine dependencies of module amd74xx. Is modules.dep up to date?
Cannot determine dependencies of module sata_nv. Is modules.dep up to date?
Cannot determine dependencies of module jbd. Is modules.dep up to date?
Cannot determine dependencies of module ext3. Is modules.dep up to date?
Driver modules: processor thermal ide-generic fan edd
Filesystem modules:
Including:      initramfs fsck.ext3
Bootsplash:     SuSE (1024x768)
13482 blocks


Then I can not enter the X windows.But can enter the tty1-tty6,Why and how to reslove this problem!