Hi Jeffrey, make sure that your kernel supports PPP and try to
increase debug at pppd. After this please send the logs.



[]'s

Hamilton Vera

On Fri, May 20, 2011 at 6:32 PM, Jeffrey <[email protected]> wrote:
> I encountered PPP problem while trying to make a USB 3G modem working.
>
>
> My Linux kernel is able to detect the modem (ttyUSB0 - ttyUSB3) and my
> pppd deamon is started, dial up also OK (CONNECT received), however my
> ppp link (ppp0) is not created so I am not able to browse Internet.
> Would someone please give some ideas about it? It will be very helpful
> and highly appreciated.
>
> in init.rc
> -------------------------------------------------------------------
> service ril-daemon /system/bin/rild -l /system/lib/libreference-ril.so
> -- -d /dev/ttyUSB3 -u /dev/ttyUSB0
>    socket rild stream 660 root radio
>    socket rild-debug stream 660 radio system
>    user root
>    group radio cache inet misc audio
> --------------------------------------------------------------------
>
> in init.gprs-pppd
> ---------------------------------------------------------------------
> PPPD_PID=
>
> /system/bin/setprop "net.gprs.ppp-exit" ""
>
> /system/bin/log -t pppd "Starting pppd"
>
> /system/bin/pppd  /dev/ttyUSB0 115200 mru 1280 mtu 1280 nodetach debug
> dump defaultroute usepeerdns novj novjccomp noipdefault ipcp-accept-
> local ipcp-accept-remote connect-delay 5000 linkname ppp0
>
> PPPD_EXIT=$?
> PPPD_PID=$!
>
> /system/bin/log -t pppd "pppd exited with $PPPD_EXIT"
>
> /system/bin/setprop "net.gprs.ppp-exit" "$PPPD_EXIT"
> -----------------------------------------------------------
>
> Logs for your reference.
>
> D/AT      (  873): AT> ATD*99***1#
>
> D/AT      (  873): ATD*99***1#
>
> D/AT      (  873):
>
> D/AT      (  873):
>
> D/AT      (  873): CONNECT
>
> D/AT      (  873):
>
> D/AT      (  873): AT< CONNECT
>
> D/RIL     (  873): after ATD*99***1#
>
> D/RIL     (  873): PPPd started
>
> D/RIL     (  873): errno after open ppp 2
>
> W/RIL     (  873): Can not detect PPP state in /sys/class/net/ppp0/
> operstate. Will retry 9 times after 3 seconds
>
> W/RIL     (  873): Can not detect PPP state in /sys/class/net/ppp0/
> operstate. Will retry 8 times after 3 seconds
>
> W/RIL     (  873): Can not detect PPP state in /sys/class/net/ppp0/
> operstate. Will retry 7 times after 3 seconds
>
> W/RIL     (  873): Can not detect PPP state in /sys/class/net/ppp0/
> operstate. Will retry 6 times after 3 seconds
>
> W/RIL     (  873): Can not detect PPP state in /sys/class/net/ppp0/
> operstate. Will retry 5 times after 3 seconds
>
> --
> unsubscribe: [email protected]
> website: http://groups.google.com/group/android-porting
>



-- 
Hamilton Vera
int Administrator (char Network[],char ComputationalSystems[])
http://hvera.wordpress.com

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