求助啊can't open /dev/tq2440_serial0: No such file or directory
启动Linux的时候出现一些问题，求救！！！问题是下面红色字，求大侠相救，感激不尽！yaffs_read_super: isCheckpointed 0
VFS: Mounted root (yaffs filesystem) on device 31:2.
Freeing init memory: 240K
/etc/init.d/rcS: line 42: net_set: not found
/etc/rc.d/init.d/httpd: line 16: /sbin/boa: not found
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory 经过不断试错，发现只要文件系统中的etc/inittab的console一改tq2440_serial0就启动不了，就会出现这句can't open /dev/tq2440_serial0: No such file or directory，改回console就能启动
（不管Linux-2.6.30.4内核源码中的drivers/serial/samsung.c中的ttySAC0改不改为tq2440_serial都可以启动）
这是怎么回事
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