can't run '/etc/init.d/rcS': No such file or directory 最终解决方法
drivers/rtc/hctosys.c:unabletoopenrtcdevice(rtc0)end_request:I/Oerror,devmtdblock2,sector256isofs_fill_super:breadfailed,dev=mtdblock2,iso_blknum=64,block=128yaffs:devis32505858nameis"mtdblock2"yaffs: