Hi all,
I have a HuaWei E1750 usb modem. After install usb-modeswitch on
ubuntu9.04, NM can find the modem. But I can't connect through NM. From the
log, the AT command part is ok. PPP is failed. Below is the log:
Starting pppd connection
<debug> [1266659846.424260] nm_ppp_manager_start(): Command line:
/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB0 noipdefault noauth
usepeerdns lcp-echo-failure 0 lcp-echo-interval 0 ipparam
/org/freedesktop/NetworkManager/PPP/2 plugin
/usr/lib/pppd/2.4.4/nm-pppd-plugin.so
NetworkManager: <debug> [1266659846.434225] nm_ppp_manager_start(): ppp
started with pid 9348
NetworkManager: <info> Activation (ttyUSB0) Stage 2 of 5 (Device Configure)
complete.
NetworkManager: <WARN> pppd_timed_out(): Looks like pppd didn't initialize
our dbus module
NetworkManager: <info> (ttyUSB0): device state change: 5 -> 9
NetworkManager: <debug> [1266659862.012800] nm_serial_device_close():
Closing device 'ttyUSB0'
check the /usr/lib/pppd folder, I found 2 folders, 2.4.4 and 2.4.5. The
nm-pppd-plugin.so md5 is same in both folders. pppd version is 2.4.5 in
ubuntu9.04. But NM use /usr/lib/pppd/2.4.4/nm-pppd-plugin.so. It seems this
is why the connection fail. Any quick solution to resolve this except
recomplie the NM codes?
The pppd is ok, I can connect with below commands without NM:
pppd ttyUSB0 nodetach defaultroute noipdefault lock usepeerdns connect 'chat
"" "at" "" "at" "OK" "at&f" "OK" "atz" "OK" "at+cgdcont=1,'IP','3gnet'" OK
"atdt*99***1#" CONNECT' user gprs
Thanks!
DEX
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