Alcatel USB modem not recognized on Mint 14

[maXmo]

Installed mint 14.1 mate 32bit and tried to get access to internet via alcatel one touch x220s usb 3g modem, but it wasn't recognized. The problem is that without internet one can't google for solution, so this hinders usability of mint. I followed general guidelines on the internet on how to switch the modem, but to no awail, as it turned out that usb_modeswitch already switched the modem, but usbserial module still was missing in the output of lsmod. modprobe on the device did load usbserial module and I was able to create internet connection. Whose responsibility is to load usbserial module? In dmesg output before I loaded usbserial there's an entry about segfault in usb_modeswitch:
[ 7002.879323] scsi 10:0:0:0: >Direct-Access ALCATEL Mass Storage 2.31 PQ: 0 ANSI: 2
[ 7002.881009] sd 10:0:0:0: >Attached scsi generic sg2 type 0
[ 7002.883895] sd 10:0:0:0: >[sdb] Attached SCSI removable disk
[ 7004.637728] usb_modeswitch_[3545]: segfault at 0 ip b75d3ee1 sp bfcf599c error 4 in libc-2.15.so[b7556000+1a3000]

Is it the source of the problem? After the usbserial module was loaded all logs are ok. I'm installing updates and will see if the problem persists after reboot.

dmesg before loading usbserial with modprobe:

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[ 7000.134669] usb 2-1.1: >new high-speed USB device number 8 using ehci_hcd
[ 7000.229770] usb 2-1.1: >New USB device found, idVendor=1bbb, idProduct=f000
[ 7000.229777] usb 2-1.1: >New USB device strings: Mfr=3, Product=2, SerialNumber=4
[ 7000.229783] usb 2-1.1: >Product: HSPA Data Card
[ 7000.229788] usb 2-1.1: >Manufacturer: USBModem
[ 7000.229792] usb 2-1.1: >SerialNumber: 1234567890ABCDEF
[ 7000.232765] scsi9 : usb-storage 2-1.1:1.0
[ 7001.231881] scsi 9:0:0:0: >Direct-Access     ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[ 7001.232595] scsi 9:0:0:1: >CD-ROM            ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[ 7001.234505] sd 9:0:0:0: >Attached scsi generic sg2 type 0
[ 7001.264546] sr1: scsi-1 drive
[ 7001.264808] sr 9:0:0:1: >Attached scsi CD-ROM sr1
[ 7001.264984] sr 9:0:0:1: >Attached scsi generic sg3 type 5
[ 7001.267633] sd 9:0:0:0: >[sdb] Attached SCSI removable disk
[ 7001.516338] usb 2-1.1: >USB disconnect, device number 8
[ 7001.778128] usb 2-1.1: >new high-speed USB device number 9 using ehci_hcd
[ 7001.876853] usb 2-1.1: >New USB device found, idVendor=1bbb, idProduct=0017
[ 7001.876862] usb 2-1.1: >New USB device strings: Mfr=3, Product=2, SerialNumber=4
[ 7001.876867] usb 2-1.1: >Product: HSPA Data Card
[ 7001.876873] usb 2-1.1: >Manufacturer: USBModem
[ 7001.876878] usb 2-1.1: >SerialNumber: 1234567890ABCDEF
[ 7001.881443] scsi10 : usb-storage 2-1.1:1.4
[ 7002.879323] scsi 10:0:0:0: >Direct-Access     ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[ 7002.881009] sd 10:0:0:0: >Attached scsi generic sg2 type 0
[ 7002.883895] sd 10:0:0:0: >[sdb] Attached SCSI removable disk
[ 7004.637728] usb_modeswitch_[3545]: segfault at 0 ip b75d3ee1 sp bfcf599c error 4 in libc-2.15.so[b7556000+1a3000]

dmesg after usbserial was loaded:

Code: Select all

[19076.587556] usb 2-1.1: >new high-speed USB device number 10 using ehci_hcd
[19076.682671] usb 2-1.1: >New USB device found, idVendor=1bbb, idProduct=f000
[19076.682678] usb 2-1.1: >New USB device strings: Mfr=3, Product=2, SerialNumber=4
[19076.682684] usb 2-1.1: >Product: HSPA Data Card
[19076.682689] usb 2-1.1: >Manufacturer: USBModem
[19076.682694] usb 2-1.1: >SerialNumber: 1234567890ABCDEF
[19076.685784] scsi11 : usb-storage 2-1.1:1.0
[19077.684900] scsi 11:0:0:0: >Direct-Access     ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[19077.685619] scsi 11:0:0:1: >CD-ROM            ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[19077.687491] sd 11:0:0:0: >Attached scsi generic sg2 type 0
[19077.691326] sr1: scsi-1 drive
[19077.693162] sd 11:0:0:0: >[sdb] Attached SCSI removable disk
[19077.693233] sr 11:0:0:1: >Attached scsi CD-ROM sr1
[19077.695850] sr 11:0:0:1: >Attached scsi generic sg3 type 5
[19078.112317] usb 2-1.1: >USB disconnect, device number 10
[19078.311006] usb 2-1.1: >new high-speed USB device number 11 using ehci_hcd
[19078.406839] usb 2-1.1: >New USB device found, idVendor=1bbb, idProduct=0017
[19078.406847] usb 2-1.1: >New USB device strings: Mfr=3, Product=2, SerialNumber=4
[19078.406869] usb 2-1.1: >Product: HSPA Data Card
[19078.406875] usb 2-1.1: >Manufacturer: USBModem
[19078.406880] usb 2-1.1: >SerialNumber: 1234567890ABCDEF
[19078.411305] usbserial_generic 2-1.1:1.0: >The "generic" usb-serial driver is only for testing and one-off prototypes.
[19078.411313] usbserial_generic 2-1.1:1.0: >Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[19078.411318] usbserial_generic 2-1.1:1.0: >generic converter detected
[19078.411460] usb 2-1.1: >generic converter now attached to ttyUSB0
[19078.411608] usbserial_generic 2-1.1:1.1: >The "generic" usb-serial driver is only for testing and one-off prototypes.
[19078.411613] usbserial_generic 2-1.1:1.1: >Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[19078.411618] usbserial_generic 2-1.1:1.1: >generic converter detected
[19078.411733] usb 2-1.1: >generic converter now attached to ttyUSB1
[19078.411879] usbserial_generic 2-1.1:1.2: >The "generic" usb-serial driver is only for testing and one-off prototypes.
[19078.411884] usbserial_generic 2-1.1:1.2: >Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[19078.411888] usbserial_generic 2-1.1:1.2: >generic converter detected
[19078.411999] usb 2-1.1: >generic converter now attached to ttyUSB2
[19078.412144] usbserial_generic 2-1.1:1.3: >The "generic" usb-serial driver is only for testing and one-off prototypes.
[19078.412148] usbserial_generic 2-1.1:1.3: >Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[19078.412153] usbserial_generic 2-1.1:1.3: >generic converter detected
[19078.412637] usb 2-1.1: >generic converter now attached to ttyUSB3
[19078.413000] scsi12 : usb-storage 2-1.1:1.4
[19078.413281] usbserial_generic 2-1.1:1.5: >The "generic" usb-serial driver is only for testing and one-off prototypes.
[19078.413287] usbserial_generic 2-1.1:1.5: >Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[19078.413291] usbserial_generic 2-1.1:1.5: >generic converter detected
[19078.413431] usb 2-1.1: >generic converter now attached to ttyUSB4
[19079.412019] scsi 12:0:0:0: >Direct-Access     ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[19079.412646] sd 12:0:0:0: >Attached scsi generic sg2 type 0
[19079.417489] sd 12:0:0:0: >[sdb] Attached SCSI removable disk

system is acer aspire e1-531-b8302g50mnks

[maXmo]

Too bad, after update and reboot the problem is still there. If the usbserial module is not preloaded, usb_modeswitch segfaults and modem is not recognized.

Code: Select all

[  317.598849] scsi 6:0:0:0: >Direct-Access     ALCATEL  Mass Storage     2.31 PQ: 0 ANSI: 2
[  317.600614] sd 6:0:0:0: >Attached scsi generic sg2 type 0
[  317.603388] sd 6:0:0:0: >[sdb] Attached SCSI removable disk
[  319.349070] usb_modeswitch_[2421]: segfault at 0 ip b75dcee1 sp bf89fd3c error 4 in libc-2.15.so[b755f000+1a3000]

[maXmo]

Simple preloading of the module doesn't work either, it should be loaded specifically for this device. I created an udev rule:

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ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="1bbb", ATTRS{idProduct}=="0017", RUN+="/sbin/modprobe usbserial vendor=0x1bbb product=0x0017"

and now it works.

[maXmo]

Nope, the actual issue: https://bugs.launchpad.net/ubuntu/+sour ... ug/1155975