Two different 3g USB dongles – Same devices created

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  • #44436

    Hello everyone,

    first of all, I want to thank Fulvio for developing this excellent Linux distribution, both powerful and easy to use and that is enriching with new features year after year.

    This is my situation. I have created an Internet gateway using Zeroshell and 3g USB dongles for connectivity. Single-dongle configuration was very easy, but I had a problem adding a second one.

    The two devices are from different vendors, but same carrier. The first one creates correctly 4 entries in dev, from /dev/ttyUSB0 up to /dev/ttyUSB3. I can use /dev/ttyUSB0 in the web UI to configure the connection and this works properly.

    When the second device is attached to the system, it also creates the same devices (/dev/ttyUSB0 up to /dev/ttyUSB3), as I can see from the output of dmesg. This prevents me from connecting with the second dongle, as the entries are already “taken” from the first one.

    I could try with a 3rd dongle of the same vendor and model as the first one and this worked: system creates devices from /dev/ttyUSB4 to /dev/ttyUSB7 and I can connect with both dongles without problems using load balancing.

    What could I do to let the system create different entries for the second dongle?

    Thanks in advance for any help

    Antonio

    #53952

    arebacollins
    Member

    Hello,
    Im getting the exact same problem, as such only one device gets recognized and this is what the error log tells me:

    Device ttyUSB1 is locked by pid 10701

    Anyone?

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