On Tue, Feb 04, 2014 at 02:37:09PM +1100, Scott Ferguson wrote: > I have an LG Arena KM900 mobile phone I'd like to be able to tether with > Debian Wheezy boxes. The problem is that it's not doing this automagically. > I have usbmodeswitch installed:- > usb-modeswitch 1.2.3+repack0-1 > > Connecting the phone with a USB cable and the phone set to use "PC > suite" (which it what it's supposed to support tethering under Windoof > with) shows the following in dmesg:- > > [10207.956039] usb 3-2: new full-speed USB device number 2 using ohci_hcd > [10208.180078] usb 3-2: New USB device found, idVendor=1004, idProduct=607f > [10208.180090] usb 3-2: New USB device strings: Mfr=1, Product=2, > SerialNumber=3 > [10208.180096] usb 3-2: Product: LGE USB Device > [10208.180101] usb 3-2: Manufacturer: LG > [10208.180105] usb 3-2: SerialNumber: 352154035075943 > [10208.209439] scsi4 : usb-storage 3-2:1.0 > [10209.216189] scsi 4:0:0:0: CD-ROM LGE mobile > 1.0 PQ: 0 ANSI: 0 > [10209.252139] sr0: scsi-1 drive > [10209.252151] cdrom: Uniform CD-ROM driver Revision: 3.20 > [10209.252841] sr 4:0:0:0: Attached scsi CD-ROM sr0 > [10209.253600] sr 4:0:0:0: Attached scsi generic sg2 type 5 > [10210.119708] usb 3-2: USB disconnect, device number 2 > [10212.652037] usb 3-2: new full-speed USB device number 3 using ohci_hcd > [10212.873303] usb 3-2: New USB device found, idVendor=1004, idProduct=6000 > [10212.873314] usb 3-2: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [10212.873321] usb 3-2: Product: LGE USB Device > [10212.873325] usb 3-2: Manufacturer: LG > [10213.076340] cdc_acm 3-2:2.0: This device cannot do calls on its own. > It is not a modem. > [10213.076523] cdc_acm 3-2:2.0: ttyACM0: USB ACM device > [10213.120352] usbcore: registered new interface driver cdc_acm > [10213.120362] cdc_acm: USB Abstract Control Model driver for USB modems > and ISDN adapters > > [cut] > > > I can't mount the fake CD-ROM it creates at /dev/sg2 (or /dev/sr0) Given what you've done above, that's not surprising. Note the line at [10210] where it says "USB disconnect". USBModeSwitch will cause the USB device to stop pretending to be a CDRom and start being a modem. The CDRom device should disappear when /dev/ttyACM0 appears. That said, you *should* be able to mount the CDROM /before/ doing the mode-switch, but just expect it to contain Windows drivers. > > I have pointed picocom at /dev/ttyACM0 without error, but echoing stuff > to /dev/sg* doesn't make it to the picocom terminal I don't know what the implications of "This device [...] is not a modem" are, but a web search on that line may help. > > > Any suggestions appreciated, (especially safe AT commands). AT (Should reply "OK") ATI (Show Identification)
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