Description of problem: For some operators its need custom init string, depend ot the modem type, for connecting. In my case, modem Pantech UM175 have default setting AT+CRM=2, but for connecting to CDMAUA it's need to set AT+CRM=1 init string. Without this, modem is disconnect in 5-10 seconds after connecting. I was check on Windows - without this init string I have the same result - quick disconnecting. But in Windows it's exist the place for init modem string. In modem manager-network manager, I can select only country and operator, and thats all. And because the modem manager and network manager is fully unusable in my case. I must use kppp for connecting to CDMA 3G network. Version-Release number of selected component (if applicable): NetworkManager-glib-0.8.9997-6.git20110721.fc15.i686 ModemManager-0.4.998-1.git20110706.fc15.i686 NetworkManager-openvpn-0.8.9997-2.git20110721.fc15.i686 NetworkManager-gnome-0.8.9997-6.git20110721.fc15.i686 NetworkManager-vpnc-0.8.999-3.git20110721.fc15.i686 NetworkManager-openconnect-0.8.999-1.fc15.i686 NetworkManager-0.8.9997-6.git20110721.fc15.i686 NetworkManager-pptp-0.8.999-2.git20110721.fc15.i686 How reproducible: Always with operator with which it's necessary custom init string for connections (CDMAUA) Steps to Reproduce: 1.Insert modem Pantech UM175 2.setup connection (CDMAUA) 3 Try to connect Actual results: Connecting, then quick disconnect. Expected results: If network manager and modem manager is the part of os, it's may be possible to use this components for connect to network. The network manager may have the possibility to write additional init modem string for working with equipment, which need aditional initialisation for work, or for possibility of connect optimisation with additional fine tune with AT command. Additional info: Modem: ati1 Manufacturer: UTStarcom communication Inc. Model: UM175VW Revision: D0700VET01_3.190 1 [Aug 28 2007 13:00:00] [Mar 15 2008 14:58:19] ESN: 0x73EADE1D +GCAP: +CIS707-A, CIS-856, CIS-856-A default setting for at+crm: at+crm? +CRM: 2 It's impossible to avoid problem by change default setting, because this modem don't have command for writing configuration: at&w ERROR at&w0 ERROR at&w1 ERROR Operator: http://www.cdma.ua/ =================== /var/log/messages Aug 3 15:25:32 slava NetworkManager[788]: <info> Activation (ttyACM0) starting connection 'CDMA Ukraine test' Aug 3 15:25:32 slava NetworkManager[788]: <info> (ttyACM0): device state change: disconnected -> prepare (reason 'none') [30 40 0] Aug 3 15:25:32 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) scheduled... Aug 3 15:25:32 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) started... Aug 3 15:25:32 slava NetworkManager[788]: <info> (ttyACM0): device state change: prepare -> need-auth (reason 'none') [40 60 0] Aug 3 15:25:32 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) complete. Aug 3 15:25:33 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) scheduled... Aug 3 15:25:33 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) started... Aug 3 15:25:33 slava NetworkManager[788]: <info> (ttyACM0): device state change: need-auth -> prepare (reason 'none') [60 40 0] Aug 3 15:25:33 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) complete. Aug 3 15:25:33 slava modem-manager[857]: <info> (ttyACM0) opening serial port... Aug 3 15:25:33 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (disabled -> enabling ) Aug 3 15:25:33 slava modem-manager[857]: <info> (ttyUSB0) opening serial port... Aug 3 15:25:33 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (enabling -> enabled) Aug 3 15:25:33 slava NetworkManager[788]: <info> WWAN now enabled by management service Aug 3 15:25:33 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (enabled -> registere d) Aug 3 15:25:33 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (registered -> connec ting) Aug 3 15:25:35 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (connecting -> connec ted) Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) scheduled... Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) starting... Aug 3 15:25:35 slava NetworkManager[788]: <info> (ttyACM0): device state change: prepare -> config (reason 'none') [40 50 0] Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) successful. Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 3 of 5 (IP Configure Start) scheduled. Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) complete. Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 3 of 5 (IP Configure Start) started... Aug 3 15:25:35 slava NetworkManager[788]: <info> (ttyACM0): device state change: config -> ip-config (reason 'none') [50 70 0] Aug 3 15:25:35 slava NetworkManager[788]: <info> starting PPP connection Aug 3 15:25:35 slava NetworkManager[788]: <info> pppd started with pid 26876 Aug 3 15:25:35 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 3 of 5 (IP Configure Start) complete. Aug 3 15:25:35 slava pppd[26876]: Plugin /usr/lib/pppd/2.4.5/nm-pppd-plugin.so loaded. Aug 3 15:25:35 slava pppd[26876]: pppd 2.4.5 started by root, uid 0 Aug 3 15:25:35 slava pppd[26876]: Using interface ppp0 Aug 3 15:25:35 slava pppd[26876]: Connect: ppp0 <--> /dev/ttyACM0 Aug 3 15:25:39 slava pppd[26876]: local IP address 31.40.194.151 Aug 3 15:25:39 slava pppd[26876]: remote IP address 10.13.0.1 Aug 3 15:25:39 slava pppd[26876]: primary DNS address 195.80.231.5 Aug 3 15:25:39 slava pppd[26876]: secondary DNS address 8.8.8.8 Aug 3 15:25:39 slava NetworkManager[788]: <info> PPP manager(IP Config Get) reply received. Aug 3 15:25:39 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 4 of 5 (IP4 Configure Get) scheduled... Aug 3 15:25:39 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 4 of 5 (IP4 Configure Get) started... Aug 3 15:25:39 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 5 of 5 (IP Configure Commit) scheduled... Aug 3 15:25:39 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 4 of 5 (IP4 Configure Get) complete. Aug 3 15:25:39 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 5 of 5 (IP Configure Commit) started... Aug 3 15:25:40 slava NetworkManager[788]: <info> Policy set 'telnetproxy' (wlan0) as default for IPv4 routing and DNS. Aug 3 15:25:40 slava NetworkManager[788]: <info> (ttyACM0): device state change: ip-config -> activated (reason 'none') [70 100 0] Aug 3 15:25:40 slava dnsmasq[1418]: reading /etc/resolv.conf Aug 3 15:25:40 slava dnsmasq[1418]: using nameserver 8.8.8.8#53 Aug 3 15:25:40 slava dnsmasq[1418]: using nameserver 195.80.231.5#53 Aug 3 15:25:40 slava dnsmasq[1418]: using nameserver 192.168.0.4#53 Aug 3 15:25:40 slava NetworkManager[788]: <info> Activation (ttyACM0) successful, device activated. Aug 3 15:25:40 slava NetworkManager[788]: <info> Activation (ttyACM0) Stage 5 of 5 (IP Configure Commit) complete. Aug 3 15:25:40 slava dbus-daemon: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper) Aug 3 15:25:40 slava dbus-daemon: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Aug 3 15:25:40 slava systemd[1]: sendmail.service: control process exited, code=exited status=7 Aug 3 15:25:40 slava ntpd[768]: Listen normally on 28 ppp0 31.40.194.151 UDP 123 Aug 3 15:25:40 slava ntpd[768]: 92.249.120.2 interface 192.168.255.2 -> 192.168.2.2 Aug 3 15:25:40 slava ntpd[768]: 193.106.144.7 interface 192.168.255.2 -> 192.168.2.2 Aug 3 15:25:40 slava ntpd[768]: 85.214.58.167 interface 192.168.255.2 -> 192.168.2.2 Aug 3 15:25:40 slava ntpd[768]: 95.89.157.176 interface 192.168.255.2 -> 192.168.2.2 Aug 3 15:25:40 slava ntpd[768]: peers refreshed Aug 3 15:25:41 slava ntpd[768]: 0.0.0.0 0648 08 no_sys_peer Aug 3 15:25:45 slava pppd[26876]: Modem hangup Aug 3 15:25:45 slava pppd[26876]: Connect time 0.1 minutes. Aug 3 15:25:45 slava pppd[26876]: Sent 0 bytes, received 0 bytes. Aug 3 15:25:45 slava pppd[26876]: Connection terminated. Aug 3 15:25:45 slava NetworkManager[788]: <info> (ttyACM0): device state change: activated -> failed (reason 'ppp-disconnect') [100 120 13] Aug 3 15:25:45 slava modem-manager[857]: <info> (ttyACM0) closing serial port... Aug 3 15:25:45 slava NetworkManager[788]: <warn> Activation (ttyACM0) failed. Aug 3 15:25:45 slava NetworkManager[788]: <info> (ttyACM0): device state change: failed -> disconnected (reason 'none') [120 30 0] Aug 3 15:25:45 slava modem-manager[857]: <info> (ttyACM0) serial port closed Aug 3 15:25:45 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (connected -> disconnecting) Aug 3 15:25:45 slava modem-manager[857]: <info> Modem /org/freedesktop/ModemManager/Modems/4: state changed (disconnecting -> connected) Aug 3 15:25:45 slava NetworkManager[788]: <info> (ttyACM0): deactivating device (reason: 0). Aug 3 15:25:45 slava avahi-daemon[783]: Withdrawing workstation service for ppp0. Aug 3 15:25:45 slava NetworkManager[788]: <warn> could not read ppp stats: No such device Aug 3 15:25:45 slava pppd[26876]: Terminating on signal 15 Aug 3 15:25:45 slava pppd[26876]: Exit. Aug 3 15:25:45 slava NetworkManager[788]: <info> Policy set 'telnetproxy' (wlan0) as default for IPv4 routing and DNS. Aug 3 15:25:45 slava NetworkManager[788]: <info> Policy set 'telnetproxy' (wlan0) as default for IPv4 routing and DNS. Aug 3 15:25:45 slava NetworkManager[788]: <info> disconnect failed: (32) The serial port is not open. Aug 3 15:25:45 slava systemd[1]: sendmail.service: control process exited, code=exited status=7 Aug 3 15:25:46 slava ntpd[768]: Deleting interface #28 ppp0, 31.40.194.151#123, interface stats: received=0, sent=0, dropped=0, active_time=6 secs Aug 3 15:25:46 slava ntpd[768]: peers refreshed
ModemManager has support for that mode already, what we need is some bits in NM to support it.
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