我明明刚升级到2.6.24-13，显示的安装列表里面没有呢？郁闷
我执行了这个sudo update-grub命令之后还是一样，谁能告诉我？
dpkg --get-selections|grep linux
libselinux1 install
linux-generic install
linux-headers-2.6.24-12 install
linux-headers-2.6.24-12-386 install
linux-headers-2.6.24-12-generic install
linux-headers-2.6.24-8 install
linux-headers-2.6.24-8-386 install
linux-headers-2.6.24-8-generic install
linux-headers-2.6.24-8-rt install
linux-headers-386 install
linux-headers-generic install
linux-image install
linux-image-2.6.24-12-386 install
linux-image-2.6.24-12-generic install
linux-image-2.6.24-8-386 install
linux-image-2.6.24-8-generic install
linux-image-generic install
linux-libc-dev install
linux-restricted-modules install
linux-restricted-modules-2.6.24-12-386 install
linux-restricted-modules-2.6.24-12-generic install
linux-restricted-modules-2.6.24-8-386 install
linux-restricted-modules-2.6.24-8-generic install
linux-restricted-modules-386 install
linux-restricted-modules-common install
linux-restricted-modules-generic install
linux-sound-base install
linux-source-2.6.24 install
linux-ubuntu-modules-2.6.24-12-generic install
linux-ubuntu-modules-2.6.24-8-generic install
util-linux install
util-linux-locales install
