RE: serial 3G modem connection

[Dan Williams <dcbw redhat com>]

On Tue, 2011-04-05 at 23:15 +0100, Andy Maginnis wrote:
> Dan, thanks for the info,
> 
> I am using 2 systems, one is Ubuntu running on a desktop PC and the other
> a gumstix running an Angstrom distribution.

Can you run this for me, as root?

udevadm info --query=property --name=/dev/ttyS0

Dan

> Is the whitelist something I can add to?
> 
> My standard Ubuntu Machine
> 
> Linux jokersPc 2.6.35-28-generic-pae #49-Ubuntu SMP Tue Mar 1 14:58:06 UTC 2011 i686 GNU/Linux
> Module                  Size  Used by
> ppp_deflate             3726  0 
> zlib_deflate           19266  1 ppp_deflate
> ppp_async               6778  1 
> crc_ccitt               1351  1 ppp_async
> binfmt_misc             6599  1 
> parport_pc             26378  0 
> ppdev                   5556  0 
> snd_hda_codec_via      51755  1 
> snd_hda_intel          22299  2 
> snd_hda_codec          87552  2 snd_hda_codec_via,snd_hda_intel
> snd_hwdep               5040  1 snd_hda_codec
> snd_pcm                71603  2 snd_hda_intel,snd_hda_codec
> snd_seq_midi            4588  0 
> snd_rawmidi            17783  1 snd_seq_midi
> snd_seq_midi_event      6047  1 snd_seq_midi
> snd_seq                47174  2 snd_seq_midi,snd_seq_midi_event
> snd_timer              19067  2 snd_pcm,snd_seq
> snd_seq_device          5744  3 snd_seq_midi,snd_rawmidi,snd_seq
> snd                    49038  13 snd_hda_codec_via,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
> i915                  296139  3 
> option                 13453  0 
> usb_wwan                9953  1 option
> drm_kms_helper         30200  1 i915
> drm                   168732  3 i915,drm_kms_helper
> i2c_algo_bit            5168  1 i915
> lp                      7342  0 
> video                  18712  1 i915
> soundcore                880  1 snd
> snd_page_alloc          7216  2 snd_hda_intel,snd_pcm
> ftdi_sio               30070  1 
> led_class               2633  0 
> asus_atk0110           11423  0 
> parport                31492  3 parport_pc,ppdev,lp
> usbserial              33357  5 option,usb_wwan,ftdi_sio
> output                  1883  1 video
> joydev                  8767  0 
> intel_agp              26926  2 i915
> agpgart                32075  2 drm,intel_agp
> psmouse                59033  0 
> serio_raw               4022  0 
> usbhid                 36978  0 
> hid                    67742  1 usbhid
> r8169                  36777  0 
> mii                     4425  1 r8169
> 
> The Gumstix
> 
> Linux overo 2.6.32 #1 Sun Nov 21 16:22:56 GMT 2010 armv7l unknown
> root@overo:~# lsmod
> Module                  Size  Used by
> ppp_deflate             4044  0 
> bsd_comp                5013  0 
> sha1_generic            1861  0 
> ppp_mppe                6104  0 
> ppp_async               6731  0 
> ppp_generic            17037  4 ppp_deflate,bsd_comp,ppp_mppe,ppp_async
> slhc                    5381  1 ppp_generic
> dsplinkk              129945  4 
> ipv6                  225222  10 
> option                 15175  1 
> usbserial              31694  3 option
> ads7846                 8695  0
> 
> 
> 
> 
> -----Original Message-----
> From: Dan Williams [mailto:dcbw redhat com] 
> Sent: 05 April 2011 03:45
> To: Andy Maginnis
> Cc: networkmanager-list gnome org
> Subject: Re: serial 3G modem connection
> 
> On Thu, 2011-03-31 at 22:37 +0100, Andy Maginnis wrote:
> > I have a 3G Telit modem with a USB and Serial connection. The usb
> > connection
> > works fine with network manager, but when I try and use the serial
> > connection
> > I see the following in the modem manager debug output
> > 
> > ** (modem-manager:7380): DEBUG: (tty/ttyS0): could not get port's parent
> > device
> 
> ModemManager will ignore most platform serial ports since most modems
> these days are USB, and we can't really autodetect platform serial
> devices.  So there's a whitelist for platform serial ports.  What kind
> of system do you have?  Can you reply with the output of "lsmod" which
> might give us the kernel module that we can whitelist?
> 
> Dan
> 
> > The modem is attached to /dev/ttyS0 and I can get an internet connection
> > using
> > a manual pppd connection. It seems that my modem setting in NM are not
> > valid for
> > the modem when connected through the serial port.
> > 
> > How can I get this under networkManager control?
> > 
> > When I do run it manually I see the following output appear in the
> > network/modem manager
> > debug trace.
> > 
> > NetworkManager[7393]:    SCPlugin-Ifupdown: devices added (path:
> > /sys/devices/virtual/net/ppp0, iface: ppp0)
> > NetworkManager[7393]:    SCPlugin-Ifupdown: device added (path:
> > /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration
> > found.
> > ** (modem-manager:7380): DEBUG: (net/ppp0): could not get port's parent
> > device
> > NetworkManager[7393]:    SCPlugin-Ifupdown: devices removed (path:
> > /sys/devices/virtual/net/ppp0, iface: ppp0)
> > _______________________________________________
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> > networkmanager-list gnome org
> > http://mail.gnome.org/mailman/listinfo/networkmanager-list
> 
>