升级内核问题 请帮忙看看

brandon

Kernel: arch/i386/boot/bzImage is ready
sh /usr/src/linux-2.6.7/arch/i386/boot/install.sh 2.6.7 arch/i386/boot/bzImage System.map ""
/dev/mapper/control: open failed: No such file or directory
Is device-mapper driver missing from kernel?
Command failed