I've one usb modem qualcomm based, here is my configuration what I've done in the past.wvdial# wvdial phone --> WvDial: Internet dialer version 1.61 --> Cannot get information for serial port. --> Initializing modem. --> Sending: ATZ --> Sending: ATQ0 --> Re-Sending: ATZ --> Modem not responding.udev$ cat /etc/udev/rules.d/option.rulesATTRS{idVendor}==05c6, ATTRS{idProduct}==1000, RUN+=/usr/bin/usbModemScriptATTRS{idVendor}==05c6, ATTRS{idProduct}==1000, RUN+=/sbin/modprobe optionscript$ cat /usr/bin/usbModemScript#! /bin/bashecho 05c6 1000 > /sys/bus/usb-serial/drivers/generic/new_idlsusb$ lsusb |grep 1000Bus 003 Device 004: ID 05c6:1000 Qualcomm, Inc. Mass Storage Device/dev$ ls /dev/ttyUSB0/dev/ttyUSB0wvdial.conf$ cat /etc/wvdial.conf[Dialer phone]Modem Type = Analog ModemPhone = #777ISDN = 0Baud = 460800Username = userPassword = pwdModem = /dev/ttyUSB0Init1 = ATZStupid Mode = 1wvdialconf$ wvdialconfEditing `/etc/wvdial.conf'.Scanning your serial ports for a modem.Modem Port Scan<*1>: S0   S1   S2   S3   WvModem<*1>: Cannot get information for serial port.ttyUSB0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baudttyUSB0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 9600 baudttyUSB0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.Sorry, no modem was detected!  Is it in use by another program?Did you configure it properly with setserial?Please read the FAQ at http://alumnit.ca/wiki/?WvDialwvdial$ wvdial phone--> WvDial: Internet dialer version 1.61--> Cannot get information for serial port.--> Initializing modem.--> Sending: ATZ--> Sending: ATQ0--> Re-Sending: ATZ--> Modem not responding.I'm using x86 fedora 18.UPDATE #1lsmod$ lsmodModule                  Size  Used byoption                 29833  0 usb_wwan               18701  1 optionip6table_filter        12712  0 ip6_tables             17745  1 ip6table_filterebtable_nat            12696  0 ebtables               21316  1 ebtable_natfuse                   71577  9 bnep                   18864  2 bluetooth             275642  7 bnepvboxpci                22897  0 vboxnetadp             25637  0 vboxnetflt             27262  0 vboxdrv               264146  3 vboxnetadp,vboxnetflt,vboxpcibe2iscsi               76220  0 iscsi_boot_sysfs       15122  1 be2iscsibnx2i                  49543  0 cnic                   57574  1 bnx2iuio                    14413  1 cniccxgb4i                 32075  0 cxgb4                  97513  1 cxgb4icxgb3i                 28034  0 cxgb3                 130967  1 cxgb3imdio                   13244  1 cxgb3libcxgbi               54562  2 cxgb3i,cxgb4iib_iser                32692  0 rdma_cm                37085  1 ib_iserib_addr                13513  1 rdma_cmiw_cm                  13753  1 rdma_cmib_cm                  36713  1 rdma_cmib_sa                  23966  2 rdma_cm,ib_cmib_mad                 37175  2 ib_cm,ib_saib_core                61976  6 rdma_cm,ib_cm,ib_sa,iw_cm,ib_mad,ib_iseriscsi_tcp              18016  0 libiscsi_tcp           19468  4 cxgb3i,cxgb4i,iscsi_tcp,libcxgbi   libiscsi               44825  8          libiscsi_tcp,bnx2i,cxgb3i,cxgb4i,be2iscsi,iscsi_tcp,ib_iser,libcxgbiscsi_transport_iscsi    46616  8 bnx2i,be2iscsi,iscsi_tcp,ib_iser,libcxgbi,libiscsiarc4                   12544  2 rtl8187                56256  0 eeprom_93cx6           12987  1 rtl8187mac80211              471137  1 rtl8187uvcvideo               71339  0 videobuf2_vmalloc      12840  1 uvcvideovideobuf2_memops       13191  1 videobuf2_vmallocvideobuf2_core         33259  1 uvcvideovideodev               91347  2 uvcvideo,videobuf2_coremedia                  19720  2 uvcvideo,videodevcfg80211              170721  2 mac80211,rtl8187snd_hda_codec_conexant    56642  1 snd_hda_intel          32539  2 snd_hda_codec         109374  2 snd_hda_codec_conexant,snd_hda_inteltoshiba_acpi           18335  0 sparse_keymap          13343  1 toshiba_acpisnd_hwdep              13233  1 snd_hda_codecsnd_seq                54700  0 rfkill                 20452  5 cfg80211,toshiba_acpi,bluetoothsnd_seq_device         13825  1 snd_seqsnd_pcm                81512  2 snd_hda_codec,snd_hda_intelsnd_page_alloc         13710  2 snd_pcm,snd_hda_intelsnd_timer              23743  2 snd_pcm,snd_seqsnd                    63247  12          /var/log/messages$ tail -f /var/log/messagesJul 13 14:16:43 localhost ntfs-3g[1519]: Version 2012.1.15 integrated FUSE 27Jul 13 14:16:43 localhost ntfs-3g[1519]: Mounted /dev/sda5 (Read-Write, label , NTFS 3.1)Jul 13 14:16:43 localhost ntfs-3g[1519]: Cmdline options: rwJul 13 14:16:43 localhost ntfs-3g[1519]: Mount options: rw,allow_other,nonempty,relatime,fsname=/dev/sda5,blkdev,blksize=4096Jul 13 14:16:43 localhost ntfs-3g[1519]: Ownership and permissions disabled, configuration type 1Jul 13 14:16:44 localhost systemd[1]: Starting Stop Read-Ahead Data Collection...Jul 13 14:16:44 localhost systemd[1]: Started Stop Read-Ahead Data Collection.Jul 13 14:17:17 localhost kernel: [  102.933110] usb 3-1: new full-speed USB device number 2 using uhci_hcdJul 13 14:17:17 localhost kernel: [  103.081203] usb 3-1: New USB device found, idVendor=05c6, idProduct=1000Jul 13 14:17:17 localhost kernel: [  103.081214] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3Jul 13 14:17:17 localhost kernel: [  103.081221] usb 3-1: Product: USB MMC StorageJul 13 14:17:17 localhost kernel: [  103.081228] usb 3-1: Manufacturer: Qualcomm, IncorporatedJul 13 14:17:17 localhost kernel: [  103.081234] usb 3-1: SerialNumber: 000000000002Jul 13 14:17:17 localhost mtp-probe: checking bus 3, device 2: /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-1Jul 13 14:17:17 localhost mtp-probe: bus: 3, device: 2 was not an MTP deviceJul 13 14:17:17 localhost kernel: [  103.132523] usbserial_generic 3-1:1.0: The generic usb-serial driver is only for testing and one-off prototypes.Jul 13 14:17:17 localhost kernel: [  103.132531] usbserial_generic 3-1:1.0: Tell linux-usb@vger.kernel.org to add your device to a proper driver.Jul 13 14:17:17 localhost kernel: [  103.132535] usbserial_generic 3-1:1.0: generic converter detectedJul 13 14:17:17 localhost kernel: [  103.134761] usb 3-1: generic converter now attached to ttyUSB0Jul 13 14:17:17 localhost kernel: [  103.159122] usbcore: registered new interface driver optionJul 13 14:17:17 localhost kernel: [  103.160896] USB Serial support registered for GSM modem (1-port)Jul 13 14:17:17 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:17:17 localhost dbus-daemon[593]: modem-manager[720]: <warn>  (ttyUSB0): port attributes not fully setJul 13 14:17:17 localhost modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:17:17 localhost modem-manager[720]: <warn>  (ttyUSB0): port attributes not fully setJul 13 14:17:29 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:17:29 localhost modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:17:59 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:17:59 localhost modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:17:59 localhost modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:17:59 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:18:05 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:18:05 localhost modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:18:09 localhost dbus-daemon[593]: dbus[593]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)Jul 13 14:18:09 localhost dbus[593]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)Jul 13 14:18:09 localhost dbus-daemon[593]: dbus[593]: [system] Successfully activated service 'net.reactivated.Fprint'Jul 13 14:18:09 localhost dbus[593]: [system] Successfully activated service 'net.reactivated.Fprint'Jul 13 14:18:09 localhost dbus-daemon[593]: Launching FprintObjectJul 13 14:18:09 localhost dbus-daemon[593]: ** Message: D-Bus service launched with name: net.reactivated.FprintJul 13 14:18:09 localhost dbus-daemon[593]: ** Message: entering main loopJul 13 14:18:35 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:18:35 localhost modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:18:35 localhost modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:18:35 localhost modem-manager[720]: <warn>  (ttyUSB0): port attributes not fully setJul 13 14:18:35 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:18:35 localhost dbus-daemon[593]: modem-manager[720]: <warn>  (ttyUSB0): port attributes not fully setJul 13 14:18:40 localhost dbus-daemon[593]: ** Message: No devices in use, exitJul 13 14:18:47 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:18:47 localhost modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:19:17 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:19:17 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:19:17 localhost modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:19:17 localhost modem-manager[720]: <info>  (ttyUSB0) opening serial port...Jul 13 14:19:23 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:19:23 localhost modem-manager[720]: <info>  (ttyUSB0) closing serial port...Jul 13 14:19:53 localhost dbus-daemon[593]: modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:19:53 localhost modem-manager[720]: <info>  (ttyUSB0) serial port closedJul 13 14:19:55 localhost dbus-daemon[593]: dbus[593]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)Jul 13 14:19:55 localhost dbus[593]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)Jul 13 14:19:55 localhost dbus-daemon[593]: dbus[593]: [system] Successfully activated service 'net.reactivated.Fprint'Jul 13 14:19:55 localhost dbus[593]: [system] Successfully activated service 'net.reactivated.Fprint'Jul 13 14:19:55 localhost dbus-daemon[593]: Launching FprintObjectJul 13 14:19:55 localhost dbus-daemon[593]: ** Message: D-Bus service launched with name: net.reactivated.FprintJul 13 14:19:55 localhost dbus-daemon[593]: ** Message: entering main loopJul 13 14:20:01 localhost modem-manager[1827]: <info>  ModemManager (version 0.6.0.0-2.fc18) starting...Jul 13 14:20:01 localhost modem-manager[1827]: <warn>  Could not acquire the org.freedesktop.ModemManager service as it is already taken. Return: 3//here logged because I ve just tried to manually start modem-manager from terminal but the log below saysJul 13 14:20:25 localhost modem-manager[1833]: <info>  [1373700025.052722] ModemManager (version 0.6.0.0-2.fc18) starting...Jul 13 14:20:25 localhost modem-manager[1833]: <warn>  [1373700025.057438] Could not acquire the org.freedesktop.ModemManager service as it is already taken. Return: 3Jul 13 14:20:26 localhost dbus-daemon[593]: ** Message: No devices in use, exit
Qualcomm based modem Venus converted to ttyUSB0 but not responding forever on fedora 18
modem;fedora