替换dtv_driver.ko .步骤：

        shell@android:/ # get_rootfs.sh                                                

        grep -w boot /proc/partinfo | grep -o part.. |grep -o '[1-9]*[0-9]$'

        cat /dev/block/mmcblk0p5 > /cache/out/boot.img

        split_bootimg /cache/out/boot.img

        gunzip -dc /cache/out/boot.img-ramdisk.gz | cpio -i

        27166 blocks

        Extracting rootfs into 

        ===>  /cache/out/rootfs

        Update rootfs by 

        ===> update_rootfs.sh

 

       shell@android:/ # 

       shell@android:/ # cd /cache/out/rootfs/                                        

       shell@android:/cache/out/rootfs # rm -rf dtv_driver.ko       

                  

       shell@android:/cache/out/rootfs # cp /usbdisk/dtv_driver.ko .                                       <

       shell@android:/cache/out/rootfs # sync      

       shell@android:/cache/out/rootfs # update_rootfs.sh                             

       grep -w boot /proc/partinfo | grep -o part.. |grep -o '[1-9]*[0-9]$'

       mkbootfs /cache/out/rootfs | gzip > /cache/out/new-boot.img-ramdisk.gz

 

 

       mkbootimg  --kernel /cache/out/boot.img-kernel  --ramdisk /cache/out/new-boot.img-ramdisk.gz --output /cache/out/new-boot.img

      dd of=/dev/block/mmcblk0p5 bs=1M if=/cache/out/new-boot.img

      8+1 records in

      8+1 records out

      9060352 bytes (8.6MB) copied, 0.539586 seconds, 16.0MB/s

      shell@android:/cache/out/rootfs #

 

      重启