U－boot启动 命令 ：
setenv bootargs root=/dev/nfs rw nfsroot=192.168.0.250:/android6410 ip=192.168.0.100 init=/linuxrc console=ttySAC0,115200 androidboot.console=s3c2410_serial0;tftp uImage_android;bootm
错误显示 ：
eth0: link down
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
IP-Config: Guessing netmask 255.255.255.0
IP-Config: Complete:
device=eth0, addr=192.168.0.100, mask=255.255.255.0, gw=255.255.255.255,
host=192.168.0.100, domain=, nis-domain=(none),
bootserver=255.255.255.255, rootserver=192.168.0.250, rootpath=
Looking up port of RPC 100003/2 on 192.168.0.250
Looking up port of RPC 100005/1 on 192.168.0.250
VFS: Mounted root (nfs filesystem) on device 0:13.
Freeing init memory: 132K
TouchDevice: (null)
ts_config: No such file or directory
Kernel panic - not syncing: Attempted to kill init!
[<c002e9a4>] (unwind_backtrace+0x0/0xe4) from [<c03ce8b0>] (panic+0x68/0x194)
[<c03ce8b0>] (panic+0x68/0x194) from [<c0046724>] (do_exit+0x68/0x664)
[<c0046724>] (do_exit+0x68/0x664) from [<c004704c>] (do_group_exit+0xb0/0xe4)
[<c004704c>] (do_group_exit+0xb0/0xe4) from [<c0047090>] (sys_exit_group+0x10/0x18)
one_wire_status: 2
[<c0047090>] (sys_exit_group+0x10/0x18) from [<c0029e60>] (ret_fast_syscall+0x0/0x30)
Rebooting in 5 seconds..one_wire_status: 4
arch_reset: at
U-boot启动命令改为 ：
setenv bootargs root=/dev/nfs rw nfsroot=192.168.0.250:/android6410 ip=192.168.0.100 init=/init console=ttySAC0,115200 androidboot.console=s3c2410_serial0;tftp uImage_android;bootm
Android 可以启动，但是 无法使用 一线触屏 。
请问 linuxrc做了什么动作 ？我想 是与 touchscreen相关，能否 给 解决一下
