[root@stlinux]#cat /tmp/log
 PPPD is offline. Trying to start ...
Trying to switch: Can't find USB modem for switching
Can't find usb modem
Find Mgcamd file...
 Try start Mgcamd w\o pppd
 Can't find pppd. Didn't start Mgcamd

[root@stlinux]#/root/spark/Ad/Patch/sbin/busybox lsusb
Bus 001 Device 001: ID 1d6b:0002
Bus 002 Device 001: ID 1d6b:0001

[root@stlinux]#cat /tmp/log
 PPPD is offline. Trying to start ...
Trying to switch: Can't find USB modem for switching
Can't find usb modem
Find Mgcamd file...
 Try start Mgcamd w\o pppd
 Can't find pppd. Didn't start Mgcamd
[root@stlinux]#/etc/ppp/modemdial start
 PPPD is offline. Trying to start ...
Trying to switch: Can't find USB modem for switching
Can't find usb modem

[root@stlinux]#cat /proc/tty/driver/usbserial
usbserinfo:1.0 driver:2.0

[root@stlinux]#dmesg | tail -n80
<1>Load module stfdma_ioctl [237]               by insmod (pid 859)
<1>Load module stmerge_ioctl [235]              by insmod (pid 859)
<1>Load module stavmem_ioctl [234]              by insmod (pid 859)
<1>Load module stbuffer_ioctl [233]     by insmod (pid 859)
<1>Load module stinject_ioctl [232]     by insmod (pid 859)
<1>Load module stspi_ioctl [230]                by insmod (pid 859)
<1>Load module stpio_ioctl [229]                by insmod (pid 859)
<1>Load module stdenc_ioctl [227]               by insmod (pid 859)
<1>Load module stlayer_ioctl [226]              by insmod (pid 859)
<1>Load module stvout_ioctl [225]               by insmod (pid 859)
<1>Load module stvtg_ioctl [224]                by insmod (pid 859)
<1>Load module stvid_ioctl [223]                by insmod (pid 859)
<1>Load module stvin_ioctl [222]                by insmod (pid 859)
<1>Load module stvmix_ioctl [221]               by insmod (pid 859)
<1>Load module stgxobj_ioctl [220]              by insmod (pid 859)
<1>Load module stcc_ioctl [218]         by insmod (pid 859)
<1>Load module stttx_ioctl [217]                by insmod (pid 859)
<1>Load module stvbi_ioctl [216]                by insmod (pid 859)
<1>Load module stblit_ioctl [215]               by insmod (pid 859)
<1>Load module stsys_ioctl [210]                by insmod (pid 859)
<1>Load module stnet_ioctl [209]                by insmod (pid 859)
<1>Load module stpti4_ioctl [207]               by insmod (pid 859)
<6>usbcore: registered new interface driver rt73
<4>rtusb init rt5370 --->
<6>usbcore: registered new interface driver rt5370
<4>rtusb init --->
<6>usbcore: registered new interface driver rt2870
<4>
<4> _____     ____    _    ____
<4>|__  /   _|  _ \  / \  / ___|
<4>  / / | | | | | |/ _ \ \___ \
<4> / /| |_| | |_| / ___ \ ___) |
<4>/____\__, |____/_/   \_\____/
<4>     |___/
<5>Open1211 - version Sun Jun 20 06:30:21 CST 2010
<6>usbcore: registered new interface driver zd1211b
<4>
<4> _____     ____    _    ____
<4>|__  /   _|  _ \  / \  / ___|
<4>  / / | | | | | |/ _ \ \___ \
<4> / /| |_| | |_| / ___ \ ___) |
<4>/____\__, |____/_/   \_\____/
<4>     |___/
<5>Open1211 - version Sun Jun 20 06:30:21 CST 2010
<6>usbcore: registered new interface driver zd1211
<6>usbcore: registered new interface driver r871x_usb_drv
<4>rtw driver version=v2.0.1324.20110126
<6>usbcore: registered new interface driver rtw_usb_drv
<6>USB Serial support registered for GSM modem (1-port)
<6>usbcore: registered new interface driver option
<6>option: v0.7.2-linkymod:USB Driver for GSM modems
<6>USB Serial support registered for pl2303
<6>usbcore: registered new interface driver pl2303
<6>pl2303: Prolific PL2303 USB to serial adaptor driver
<6>USB Serial support registered for Sierra USB modem
<6>usbcore: registered new interface driver sierra
<6>sierra: v.1.3.8:USB Driver for Sierra Wireless USB modems
<4>IRQ 156/BLITTER: IRQF_DISABLED is not guaranteed on shared IRQs
<6>input: ywvinput as /devices/virtual/input/input0
<6>input: droidinput as /devices/virtual/input/input1
<4>IRQ 156/STGFB_Blitter: IRQF_DISABLED is not guaranteed on shared IRQs
<4>*********get viewport handle: 0xc177de78, 0xc177de78
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>*********get viewport handle: 0x0, 0x0
<4>*********get viewport handle: 0xc177de78, 0xc177de78
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>smart_ioctl------------------------->set handle
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<3> CIFS VFS: Send error in QFSAttributeInfo = -5
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1
<4>save exit: isCheckpointed 1