linux下加载USB驱动出错:first usb_set_address error

USB驱动问题:usb.c: USB device not accepting new addres
在2.4.18内核基础上,添加对USB的驱动(包括对2410的usb-ohci,USB Mass Storage ,最大根HUB是1个).
s3c2410开发板插上U盘可以使用,但是在不插U盘时就会出现以下错误:
请各位大侠看看,指教一下:
怎样才能在不插U盘时,开机不出错.是有些选项我没有添加吗?还是需要关闭某些选项?
先谢谢拉.

错误提示如下:
usb.c: registered new driver hub
usb-ohci.c: USB OHCI at membase 0xe9000000, IRQ 26
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
port #1 suspened!
port #0 alived!
hub.c: 1 port detected
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
USB Mass Storage support registered.

mice: PS/2 mouse device common for all mice
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 4096 bind 4096)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NetWinder Floating Point Emulator V0.95 (c) 1998-1999 Rebel.com
VFS: Mounted root (cramfs filesystem).
Mounted devfs on /dev
Freeing init memory: 176K

hub.c: USB new device connect on bus1/1, assigned device number 2
first usb_set_address error
usb.c: USB device not accepting new address=2 (error=-110)
hub.c: USB new device connect on bus1/1, assigned device number 3
first usb_set_address error
usb.c: USB device not accepting new address=3 (error=-110)