On Thu, Jun 3, 2010 at 11:27, Daenyth Blank <daen...@gmail.com> wrote: > On Thu, Jun 3, 2010 at 11:19, Dan Williams <d...@redhat.com> wrote: >> On Wed, 2010-06-02 at 12:54 -0400, Daenyth Blank wrote: >>> On Wed, Jun 2, 2010 at 08:12, Daenyth Blank <daen...@gmail.com> wrote: >>> > On Wed, Jun 2, 2010 at 03:16, Dan Williams <d...@redhat.com> wrote: >>> >> On Thu, 2010-05-27 at 12:04 -0400, Daenyth Blank wrote: >>> >>> Hi all, >>> >>> >>> >>> I'm trying to find out some information regarding the Sprint U301 3G >>> >>> modem. Our use case for it is that it will be attached to an embedded >>> >>> machine running ubuntu with networkmanager, in addition to our >>> >>> software. I've been trying to get this modem to connect reliably and >>> >>> am having some issues with it. I've added a udev rule so that the >>> >>> usbserial driver is given the correct vendor/product information, and >>> >>> it connects automatically on boot, but not reliably. Some boots it >>> >>> does not connect at all and won't until I reboot. Sometimes it >>> >>> disconnects while the machine is running. If it disconnects either by >>> >>> itself or from deactivating the connection, it will not connect again >>> >>> and needs a reboot. The nm/mm logs say that serial requests are timing >>> >>> out when it's in the non-connected state. I haven't been able to >>> >>> recover from the disconnected state with anything about a reboot. >>> >>> >>> >>> Is there anything we can do with this device to increase reliability? >>> >>> Failing that, can you recommend a usb Sprint 3G modem that will be >>> >>> more reliable? If there are none, do you have any recommendations for >>> >>> any brand of 3G modem that will work well in this situation? The boxes >>> >>> will be deployed where manual access is not easy, so it needs to be >>> >>> able to connect and recover from disconnections automatically, or at >>> >>> least in a way that can be scripted easily. >>> >> >>> >> You're certainly not going to be able to get the WiMAX part of the >>> >> device working automatically since we dont' have drivers for the Beceem >>> >> chipset of the WiMAX side. However, the EVDO side should work with >>> >> cdc-acm, so if you have to use 'usb-serial' there's already something >>> >> wrong. >>> >> >>> >> I suspect you need to use usb_modeswitch to eject the fake CD that the >>> >> device provides too, correct? >>> >> >>> >> Honestly, UTStarcom-based devices (which the 300 and 301 are rebrands >>> >> of) often don't work that well as you've found out. I'd recommend a >>> >> Sierra device instead, as Sierra is also very active in Linux kernel >>> >> development and has great support for their devices. >>> >> >>> >> Dan >>> >> >>> >> >>> > >>> > Thanks Forest, Dan. I'm going to recommend to our client that we use >>> > the Sierra cards. Appreciate the advice! >>> > >>> >>> I'm looking into the 598 now, and I'm having a little trouble getting >>> NM to recognize it. I plug in the device and I can see by using dmesg >>> that the sierra driver gets loaded, but when I run >>> nm-connection-editor and try to edit the connection, it doesn't get >>> listed in the device dropdown. Is there anything I have to do to get >>> it recognized? I also haven't been able to find any good guides on >>> setting it up. I'm running Ubuntu Karmic right now. >> >> It should show up in the menu after a few seconds. Try grabbing some >> debugging information as described here to figure out why things aren't >> working: >> >> http://live.gnome.org/NetworkManager/Debugging >> >> under the "Debugging NetworkManager 0.8.x 3G connections" section. >> Basically, we want to get modem-manager logs to find out why the modem >> doesn't appear to be found. >> >> Dan >> >> >> > > I'll try to get that today, first with a normal install and then with > the configs that Forest suggested. >
I waited a few minutes as you suggested and then I was able to add the connection... I must have just been impatient during my testing the other day. Thanks for the help! _______________________________________________ networkmanager-list mailing list networkmanager-list@gnome.org http://mail.gnome.org/mailman/listinfo/networkmanager-list
