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Thread: modem-manager not working

  1. #51
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    Mar 2009
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    Re: modem-manager not working

    Alexfish,

    Something really intersting happened. I went through the other post and followed the steps suggested. I installed gnome-system-tools and invoked the command users-admin.

    Then, as suggested I selected 'Groups'. But then, there were so many options that I did not know which one to select for usbmodem. But as suggested, I selected dialout. Apart from that I randomly chose a few more options.

    Earlier, in the /etc/usb_modeswitch.conf file, I had set DisableSwitching=0. I changed it 1.

    Then I logged out & logged in. I plugged the device in. To my great surprise, I was able to connect to mobile broadband Internet through this device. It worked well. Later, I disconnected from the mobile Internet and disconnected the device.

    But after that I was never again able to connect to mobile broadband through the device. I am just not able to reproduce the steps that allowed me to connect to Internet. So I am back to square 1 ! Although for once I was able to connect to Internet through this device !

    Xlearner

  2. #52
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    Re: modem-manager not working

    Quote Originally Posted by xlearner View Post
    Alexfish,

    Something really intersting happened. I went through the other post and followed the steps suggested. I installed gnome-system-tools and invoked the command users-admin.

    Then, as suggested I selected 'Groups'. But then, there were so many options that I did not know which one to select for usbmodem. But as suggested, I selected dialout. Apart from that I randomly chose a few more options.

    Earlier, in the /etc/usb_modeswitch.conf file, I had set DisableSwitching=0. I changed it 1.

    Then I logged out & logged in. I plugged the device in. To my great surprise, I was able to connect to mobile broadband Internet through this device. It worked well. Later, I disconnected from the mobile Internet and disconnected the device.

    But after that I was never again able to connect to mobile broadband through the device. I am just not able to reproduce the steps that allowed me to connect to Internet. So I am back to square 1 ! Although for once I was able to connect to Internet through this device !

    Xlearner
    what happens if change the .conf back to
    DisableSwitching=0

    Not sure if the tools are necessary , the commands for this used to be
    list what you can access
    Code:
    id
    if not in the dip or dialout , then

    Code:
    sudo adduser <YOURUSERNAME> dip
    sudo adduser <YOURUSERNAME> dialout
    alexfish
    Last edited by alexfish; July 13th, 2012 at 02:34 AM.
    Two tin cans are better than an iphone

    http://www.ehow.co.uk/how_2067160_ma...hone.html?cr=1

  3. #53
    Join Date
    Mar 2009
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    46

    Re: modem-manager not working

    Alexfish,

    I am getting back on this thread after sometime. I found a machine with Ubutnu 11.10 installed. On that machine, I tested this device. As said earlier, it was working perfectly fine.

    I was seeing the output of the commands. Let me show the outputs of these devices:

    Output of 'usb-devices' for this device:

    Ubuntu 12.04:
    *************
    T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
    D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
    P: Vendor=12d1 ProdID=1446 Rev=00.00
    S: Manufacturer=HUA˙WEI TECHNOLOGIES
    S: Product=HUAWEI Mobile
    S: SerialNumber=˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙
    C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA
    I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=(none)

    Ubuntu 11.10:
    *************
    T: Bus=02 Lev=02 Prnt=02 Port=03 Cnt=02 Dev#= 6 Spd=12 MxCh= 0
    D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
    P: Vendor=12d1 ProdID=140b Rev=00.00
    S: Manufacturer=HUA˙WEI TECHNOLOGIES
    S: Product=HUAWEI Mobile
    S: SerialNumber=˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙
    C: #Ifs= 4 Cfg#= 1 Atr=a0 MxPwr=500mA
    I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
    I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
    I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
    I: If#= 3 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
    It can be seen that ubuntu 12.04 is seeing this device differently from ubuntu 11.10. On 12.04, the Vendor=12d1, ProdID=1446. But on 11.10, it is Vendor=12d1, ProdID=140b. This is little strange to me. For the same device, the product id is different!!

    Next, I checked the output of /var/log:

    Ubuntu 12.04:
    *************
    Jul 7 02:52:51 sath-VPCSA35GG mtp-probe: checking bus 2, device 13: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3"
    Jul 7 02:52:51 sath-VPCSA35GG mtp-probe: bus: 2, device: 13 was not an MTP device
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266834] CPU3: Package power limit notification (total events = 76333)
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266837] CPU2: Package power limit notification (total events = 76333)
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266841] CPU1: Package power limit notification (total events = 75807)
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266843] CPU0: Package power limit notification (total events = 75791)
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266924] CPU1: Package power limit normal
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266927] CPU3: Package power limit normal
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266929] CPU2: Package power limit normal
    Jul 7 02:53:12 sath-VPCSA35GG kernel: [18025.266931] CPU0: Package power limit normal
    ---------------------------------------------------------------------------------------------------------------------------------------------------------------
    # The device was plugged at this instant
    ---------------------------------------------------------------------------------------------------------------------------------------------------------------
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.795452] usb 3-1: new full-speed USB device number 5 using xhci_hcd
    Jul 7 02:55:43 sath-VPCSA35GG mtp-probe: checking bus 3, device 5: "/sys/devices/pci0000:00/0000:00:1c.2/0000:04:00.0/usb3/3-1"
    Jul 7 02:55:43 sath-VPCSA35GG mtp-probe: bus: 3, device: 5 was not an MTP device
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.837011] scsi9 : usb-storage 3-1:1.0
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.920135] usbcore: registered new interface driver usbserial
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.920144] USB Serial support registered for generic
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.920162] usbcore: registered new interface driver usbserial_generic
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.920163] usbserial: USB Serial Driver core
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.940683] USB Serial support registered for GSM modem (1-port)
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.940757] usbcore: registered new interface driver option
    Jul 7 02:55:43 sath-VPCSA35GG kernel: [18175.940758] option: v0.7.2:USB Driver for GSM modems
    Jul 7 02:55:44 sath-VPCSA35GG kernel: [18176.838650] scsi 9:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 0
    Jul 7 02:55:44 sath-VPCSA35GG kernel: [18176.851555] sr1: scsi-1 drive
    Jul 7 02:55:44 sath-VPCSA35GG kernel: [18176.851691] sr 9:0:0:0: Attached scsi CD-ROM sr1
    Jul 7 02:55:44 sath-VPCSA35GG kernel: [18176.851822] sr 9:0:0:0: Attached scsi generic sg4 type 5
    Jul 7 02:55:45 sath-VPCSA35GG usb_modeswitch: switching device 12d1:1446 on 003/005


    Ubuntu 11.10:
    *************
    Jul 16 22:24:26 sathya-Vostro-3400 acpid: 1 client rule loaded
    Jul 16 22:24:26 sathya-Vostro-3400 kernel: [11211.427187] r8169 0000:13:00.0: eth0: link down
    Jul 16 22:24:26 sathya-Vostro-3400 kernel: [11211.428132] ADDRCONF(NETDEV_UP): eth0: link is not ready
    Jul 16 22:24:26 sathya-Vostro-3400 NetworkManager[902]: <info> (wlan0): supplicant interface state: starting -> ready
    Jul 16 22:24:26 sathya-Vostro-3400 NetworkManager[902]: <info> (wlan0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
    Jul 16 22:24:26 sathya-Vostro-3400 NetworkManager[902]: <info> (wlan0): supplicant interface state: ready -> inactive
    Jul 16 22:24:28 sathya-Vostro-3400 kernel: [11213.467528] EXT4-fs (sda7): re-mounted. Opts: errors=remount-ro,commit=600
    Jul 16 22:25:16 sathya-Vostro-3400 xscreensaver: pam_ecryptfs: pam_sm_authenticate: /home/sathya is already mounted
    Jul 16 22:25:25 sathya-Vostro-3400 kernel: [11270.310529] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:25:29 sathya-Vostro-3400 kernel: [11275.093407] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:25:47 sathya-Vostro-3400 kernel: [11292.395648] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:25:53 sathya-Vostro-3400 kernel: [11299.124328] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 2f:72:75:6e:20:74
    Jul 16 22:25:56 sathya-Vostro-3400 kernel: [11301.485540] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:26:06 sathya-Vostro-3400 kernel: [11311.685389] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:26:18 sathya-Vostro-3400 kernel: [11323.568614] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:26:22 sathya-Vostro-3400 kernel: [11327.542950] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:26:23 sathya-Vostro-3400 kernel: [11328.264762] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:26:23 sathya-Vostro-3400 kernel: [11328.739137] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:26:25 sathya-Vostro-3400 kernel: [11330.476324] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: ef:ff:ef:ef:ef:ff
    ---------------------------------------------------------------------------------------------------------------------------------------------------------------
    # The device was plugged at this instant
    ---------------------------------------------------------------------------------------------------------------------------------------------------------------
    Jul 16 22:26:42 sathya-Vostro-3400 kernel: [11347.478438] usb 2-1.1: new full speed USB device number 12 using ehci_hcd
    Jul 16 22:26:42 sathya-Vostro-3400 kernel: [11347.573070] scsi26 : usb-storage 2-1.1:1.0
    Jul 16 22:26:42 sathya-Vostro-3400 mtp-probe: checking bus 2, device 12: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1"
    Jul 16 22:26:42 sathya-Vostro-3400 mtp-probe: bus: 2, device: 12 was not an MTP device
    Jul 16 22:26:43 sathya-Vostro-3400 usb_modeswitch: switching device 12d1:1446 on 002/012
    Jul 16 22:26:43 sathya-Vostro-3400 kernel: [11348.431744] usb 2-1.1: USB disconnect, device number 12
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11351.950689] usb 2-1.1: new full speed USB device number 13 using ehci_hcd
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.045605] option 2-1.1:1.0: GSM modem (1-port) converter detected
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.045790] usb 2-1.1: GSM modem (1-port) converter now attached to ttyUSB0
    Jul 16 22:26:46 sathya-Vostro-3400 mtp-probe: checking bus 2, device 13: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1"
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.046661] option 2-1.1:1.1: GSM modem (1-port) converter detected
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.046839] usb 2-1.1: GSM modem (1-port) converter now attached to ttyUSB1
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.047584] option 2-1.1:1.2: GSM modem (1-port) converter detected
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.047744] usb 2-1.1: GSM modem (1-port) converter now attached to ttyUSB2
    Jul 16 22:26:46 sathya-Vostro-3400 kernel: [11352.048314] scsi30 : usb-storage 2-1.1:1.3
    Jul 16 22:26:47 sathya-Vostro-3400 mtp-probe: bus: 2, device: 13 was not an MTP device
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB0) opening serial port...
    Jul 16 22:26:47 sathya-Vostro-3400 logger: usb_modeswitch: switched to 12d1:140b on 002/013
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB0) closing serial port...
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB0) serial port closed
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB0) opening serial port...
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (Huawei): CDMA modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1 claimed port ttyUSB0
    Jul 16 22:26:47 sathya-Vostro-3400 kernel: [11353.046601] scsi 30:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 0
    Jul 16 22:26:47 sathya-Vostro-3400 kernel: [11353.048544] scsi 30:0:0:1: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
    Jul 16 22:26:47 sathya-Vostro-3400 kernel: [11353.065720] sr1: scsi-1 drive
    Jul 16 22:26:47 sathya-Vostro-3400 kernel: [11353.065991] sr 30:0:0:0: Attached scsi CD-ROM sr1
    Jul 16 22:26:47 sathya-Vostro-3400 kernel: [11353.066204] sr 30:0:0:0: Attached scsi generic sg2 type 5
    Jul 16 22:26:47 sathya-Vostro-3400 kernel: [11353.066687] sd 30:0:0:1: Attached scsi generic sg3 type 0
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB0) closing serial port...
    Jul 16 22:26:47 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB0) serial port closed
    Jul 16 22:26:48 sathya-Vostro-3400 kernel: [11353.074492] sd 30:0:0:1: [sdb] Attached SCSI removable disk
    Jul 16 22:26:50 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB1) opening serial port...
    Jul 16 22:26:50 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB2) opening serial port...
    Jul 16 22:26:50 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB2) closing serial port...
    Jul 16 22:26:50 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB2) serial port closed
    Jul 16 22:26:50 sathya-Vostro-3400 modem-manager[897]: <info> (Huawei): CDMA modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1 claimed port ttyUSB2
    Jul 16 22:27:02 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB1) closing serial port...
    Jul 16 22:27:02 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB1) serial port closed
    Jul 16 22:27:02 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB1) opening serial port...
    Jul 16 22:27:05 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB1) closing serial port...
    Jul 16 22:27:05 sathya-Vostro-3400 modem-manager[897]: <info> (ttyUSB1) serial port closed
    Jul 16 22:27:05 sathya-Vostro-3400 modem-manager[897]: <info> (Huawei): CDMA modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1 claimed port ttyUSB1
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <warn> (ttyUSB0): failed to look up interface index
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> WWAN now disabled by management service
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> (ttyUSB0): new CDMA/EVDO device (driver: 'option1' ifindex: 0)
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> (ttyUSB0): exported as /org/freedesktop/NetworkManager/Devices/6
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> (ttyUSB0): now managed
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> (ttyUSB0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> (ttyUSB0): deactivating device (reason 'managed') [2]
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: nm_system_iface_flush_routes: assertion `ifindex > 0' failed
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: nm_system_iface_flush_addresses: assertion `ifindex > 0' failed
    Jul 16 22:27:05 sathya-Vostro-3400 NetworkManager[902]: <info> (ttyUSB0): device state change: unavailable -> disconnected (reason 'none') [20 30 0]
    Jul 16 22:27:09 sathya-Vostro-3400 kernel: [11374.054357] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:27:09 sathya-Vostro-3400 kernel: [11374.753277] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: e7:ff:dd:e4:e7:ff
    Jul 16 22:27:09 sathya-Vostro-3400 kernel: [11374.905414] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: e5:ff:da:e1:e5:ff
    Jul 16 22:27:09 sathya-Vostro-3400 kernel: [11374.923346] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: e9:ff:e1:e7:e9:ff
    Jul 16 22:27:12 sathya-Vostro-3400 kernel: [11377.427090] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    Jul 16 22:27:18 sathya-Vostro-3400 kernel: [11383.589891] ieee80211 phy0: wl0: wlc_recv: dropping a frame with invalid src mac address, a2: 00:00:00:00:00:00
    So any suggestions on the difference? Is this a bug? Thanks!

  4. #54
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    Re: modem-manager not working

    Think had already mentioned this device has many guises

    depending on various environments

    suggest use Sakis3g

    disable the mode switching , in the ".conf"

    then try sakis3g

    see what happens

    regards

    alexfish
    Two tin cans are better than an iphone

    http://www.ehow.co.uk/how_2067160_ma...hone.html?cr=1

  5. #55
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    Mar 2009
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    46

    Re: modem-manager not working

    Alexfish,

    Thanks for the tip. Actually the device that I have works on CDMA. But sadly sakis 3G does not support CDMA currently. So this does not work.

    In any case, I have posted on USB_ModeSwitch forum. Let me see if Josua can figure out this riddle !

    Thanks
    Xlearner

  6. #56
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    Re: modem-manager not working

    Quote Originally Posted by xlearner View Post
    Alexfish,

    Thanks for the tip. Actually the device that I have works on CDMA. But sadly sakis 3G does not support CDMA currently. So this does not work.

    In any case, I have posted on USB_ModeSwitch forum. Let me see if Josua can figure out this riddle !

    Thanks
    Xlearner
    you only need to use sakis3g to prepare the modem

    look at the menus
    Two tin cans are better than an iphone

    http://www.ehow.co.uk/how_2067160_ma...hone.html?cr=1

  7. #57
    Join Date
    Jul 2008
    Location
    India
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    Distro
    Ubuntu 9.10 Karmic Koala

    Re: modem-manager not working

    Quote Originally Posted by alexfish View Post
    Hi surga

    I am not sure if this a specific as in "Ubuntu" , if it were , then I would have presumed to have seen a lot more , "Can't Connect" , Threads ,

    Lets see what the out come is between the two version + the out come , if any, via usb_modeswitch forum

    alexfish
    I suppose this just affects a few specific devices. But it is quite strange that it doesn't get detected as a modem in Ubuntu 12.04. It's also interesting that I have faced the same modem detection problem when using the Linux Mint 13, which is based on Ubuntu 12.04. The modem problem did not exist in earlier versions of Linux Mint which were based on earlier versions of Ubuntu. So I suppose it would be safe to infer that something did break in this new 12.04 version which has not been resolved yet, since it affects just a few devices (e.g. the modem that I use, Capitel EVDO modem, device id 1c9e:9e00). Yet this device works perfectly in Fedora 17.

  8. #58
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    Mar 2009
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    Re: modem-manager not working

    Alexfish,

    I posted this topic on usb_modesetich forum. There I have got interesting replies: http://www.draisberghof.de/usb_modes...opic.php?t=960

    So as I understand, there is a bug in 12.04. It was suggested that we have to re-install usb_modeswitch in 12.04 (like what you suspected). I trying the suggestions by Josh.

    Xlearner

  9. #59
    Join Date
    Jul 2008
    Location
    India
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    Distro
    Ubuntu 9.10 Karmic Koala

    Re: modem-manager not working

    Quote Originally Posted by xlearner View Post
    Alexfish,

    I posted this topic on usb_modesetich forum. There I have got interesting replies: http://www.draisberghof.de/usb_modes...opic.php?t=960

    So as I understand, there is a bug in 12.04. It was suggested that we have to re-install usb_modeswitch in 12.04 (like what you suspected). I trying the suggestions by Josh.

    Xlearner
    If it works it would be wonderful. Would be very grateful if you can explain in detail how to uninstall the default Ubunru 12.04 package and install the Debian version.

  10. #60
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    Mar 2009
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    Re: modem-manager not working

    Dear Surja,

    I was able to figure out how to make it work on Ubuntu 12.04 using the instructions from this forum: http://www.draisberghof.de/usb_modes...opic.php?t=960.

    I hope you are also using the same distribution. But installing the debian package did not work. For some reason it failed. I had to do it manually.

    Here are the steps:

    1. Go to folder: /usr/share/usb_modeswitch. In this folder, there is one zipped file: configPack.tar.gz.

    The next step depends on this configPack.tar.gz. So, if you do not have this file, then I suggest you reinstall usb_modeswitch along with the data files from synaptic package manager.

    2. Copy this file into a folder of your choice. Say, home/test.

    Code:
    $ cp /usr/share/usb_modeswitch/configPack.tar.gz /home/test
    3. Then unzip the file configPack.tar.gz
    Code:
    $ cd /home/test 
    $ tar -xvf configPack.tar.gz
    4. After unzipping, invoke the following command:
    Code:
    $ sudo /usr/sbin/usb_modeswitch -I -W -s 10 -c "<path-to>/12d1:1446" -v 12d1 -p 1446
    where <path-to> in this case is /home/test.

    After a few minutes my usb modem switched. Once it has switched, connecting to the Internet is simple. I believe that you can easily figure out the steps.

    Xlearner
    Last edited by xlearner; July 25th, 2012 at 10:46 AM.

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