ok6410 win8 tftp下载问题

youcanguess

OK6410 + win8.1(64bit) + 虚拟机redhat6.3 防火墙，杀毒软件什么的都关掉了，开发板也能ping通虚拟机，但就是tftp下载时出问题，怎么办呀，折腾好几天了！
SMDK6410 # pri
bootargs=root=/dev/mtdblock2 rootfstype=yaffs2 init=/linuxrc console=ttySAC0,115200
bootcmd=nand read 0xc0008000 0x200000 0x500000;bootm 0xc0008000
bootdelay=1
baudrate=115200
ethaddr=00:40:5c:26:0a:5b
netmask=255.255.255.0
ipaddr=192.168.1.106
serverip=192.168.1.110
gatewayip=192.168.1.1
stdin=serial
stdout=serial
stderr=serial

Environment size: 331/524284 bytes
SMDK6410 # ping 192.168.1.110
Found DM9000 ID:90000a46 at address 18000300 !
DM9000 work in 16 bus width
bd->bi_entaddr: 00:40:5c:26:0a:5b
[eth_init]MAC:0:40:5c:26:a:5b:
host 192.168.1.110 is alive
SMDK6410 # tftp 50008000 uImage
Found DM9000 ID:90000a46 at address 18000300 !
DM9000 work in 16 bus width
bd->bi_entaddr: 00:40:5c:26:0a:5b
[eth_init]MAC:0:40:5c:26:a:5b:
TFTP from server 192.168.1.110; our IP address is 192.168.1.106
Filename 'uImage'.
Load address: 0x50008000
Loading: T #T T #T T T T #T T ###T
Retry count exceeded; starting again
TFTP from server 192.168.1.110; our IP address is 192.168.1.106
Filename 'uImage'.
Load address: 0x50008000
Loading: #T T #T T T T #####T T #T T ###
Retry count exceeded; starting again
TFTP from server 192.168.1.110; our IP address is 192.168.1.106
Filename 'uImage'.
Load address: 0x50008000

youcanguess

求解释呀 谁能帮帮我呀， :Q