文档介绍：3G路由器拨号失败问题分析
XX客户3G路由器送样软件(-5-GK-R3B011D17865),要求兼容2张 高科的WCDMA数据卡，分别是WCDMA USB Stick. WCDMAUSB Modem,测试发现USB Stick可以正常识别，也可以拨号成功。但是WCDMA USB Modem驱动可以正常识别，在 调用拨号进程时串口信息显示pppd拨号进程时出错。如下：
cat: can't open y/var/dev3gPortCtl, : No such file or directory = [] devCtlPort = KERN_NOTICE: sending a signal 36 to process 618(goahead) RT305x_ESW: Link Status Changed dhcpcHandler 36 = config-3g-ppp. sh 90, 3
1 :wcdma, 2:UNINET, 3:*99礼 4:uninet, 5:uninet, 6: auto, 7: auto, 8:90, 9:3, 10:, 11: 33g oper=wcdmaj cat: can't open DIAL_STYLE=auto call pppd
mode=UNINETJ apn=UNINET, dial=*99#, user=uninet, pw=uninet '/var/dev3gPort': No such file or directory
EXIST 3G=
pppd: n。 device
product id
brO:
brO:
brO:
brO:
brO:
port port port port port
specified and stdin is not a tty =ITON 5() 4() 3(eth2. 3) 2(eth2. 1)
entering entering entering entering
learning learning learning learning
state
state
state
state
1 (raO) entering learning state
ioctl 0x8914 failed: Cannot assign requested address
ioctl 0x8914 failed: Cannot assign requested address
ifconfig:
ifconfig:
/sbin/: line 65: hostname: not found
killall: udhcpd: no process killed
Set: phy[1]. reg[0] = 3900
Set: phy[2]. reg[0] = 3900
KERN_NOTICE: sending a signal 36 to process 618(goahead)
RT305x_ESW: Link Status Changed
dhcpcHandler 36
Set: phy[3]. reg[0] = 390