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Thread: USB Wi-Fi dongle US Robotics USR5422

  1. #21
    Join Date
    Aug 2011
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    Berlin, Germany
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    6,027
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: USB Wi-Fi dongle US Robotics USR5422

    I found a thread with freezes like that, it was about the driver. You may reinstall it:

    Code:
    sudo apt-get update
    sudo apt-get install --reinstall xserver-xorg-video-savage
    and reboot. Do you use Desktop-effects (Compiz)?

  2. #22
    Join Date
    Sep 2011
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    Re: USB Wi-Fi dongle US Robotics USR5422

    Of course I tried first the regular ndiswrapper from the repositories with the new kernel.

    So I can probably try other patched versions.

  3. #23
    Join Date
    Sep 2011
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    19

    Re: USB Wi-Fi dongle US Robotics USR5422

    I use Lubuntu and I keep the default LXDE shell very simplistic.

    No fancy things, Compiz etc.


    I am establishing an Ethernet connection for the update.

  4. #24
    Join Date
    Sep 2011
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    19

    Re: USB Wi-Fi dongle US Robotics USR5422

    Everything done.

    Adapter plugged for some 7 minutes with no freezing!

    Too looooong ... may be the miracle. Now I try to connect to an hotspot.

  5. #25
    Join Date
    Sep 2011
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    19

    Re: USB Wi-Fi dongle US Robotics USR5422

    The first attempt to connect to an hot spot involved a pseudo freezing, that is I could move the mouse pointer. So probably it was the freshly installed xserver.

    After a reboot, everything went very smooth for some 20 minutes. Then, with a very heavy page in Chromimum, I had a crash in the form of an auto reboot, kinda like unplugging the power.
    This may be normal for an old PC with a heavy duty.

    So you made, if not a whole, half a miracle.

    Thanks praseodym.

  6. #26
    Join Date
    Sep 2011
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    19

    Alternative solution with Prism driver

    As stated in my previous post, ndis-driver was installed, but -- may be because of the "age" of my notebook -- after some time using the stick the system freezes. To completely remove this issue, I started observing, while running a live Lucid Puppy on the same system, that my stick worked out of the box, in a plug and play fashion. With the help of lsmod I saw that Puppy made the magic without ndiswrapping, but via Prism drivers.

    In fact:

    Code:
    lsmod |grep p54   
    
    p54usb                  8818  0 
    p54common              17863  1 p54usb
    led_class               1733  1 p54common
    mac80211               99898  2 p54usb,p54common
    cfg80211               90319  2 p54common,mac80211
    usbcore                91279  6 p54usb,usbhid,usb_storage,uhci_hcd,ehci_hcd
    Why not use the same solution in Ubuntu?

    I removed ndiswrapper, issuing:

    Code:
    sudo modprobe -rf ndiswrapper
    sudo apt-get remove --purge ndiswrapper-common ndiswrapper-utils-1.9 ndisgtk
    sudo rm /etc/modprobe.d/ndiswrapper.conf
    sudo rm -r /etc/ndiswrapper/* 
    sudo depmod –a
    Therefore I re-enabled Prism where previously blacklisted with:

    Code:
     
    sudo vim  /etc/modprobe.d/blacklist.conf

    commenting the lines blacklisting p54 modules:

    Code:
    blacklist bcm43xx
    blacklist b43
    blacklist b43legacy
    blacklist ssb
    #blacklist p54usb
    #blacklist p54common


    Finally I installed the Prism driver like this:

    Code:
    sudo apt-get install linux-firmware-nonfree
    sudo modprobe p54usb
    Now everything is at top level and... thanks Puppy

    Antonio

    *** Important notice ***

    Based on my experience USRobotics Wireless USB Adapter USR5422 (or USR805422) can work better without native win32 driver, despite many tutorial, also in this forum, suggest to use the native win32. If you are having problems, try Prism like me.
    Last edited by Antonjo; September 7th, 2011 at 12:15 AM. Reason: Alternative solution

  7. #27
    Join Date
    Aug 2011
    Location
    Berlin, Germany
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    6,027
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: USB Wi-Fi dongle US Robotics USR5422

    Wow, cool stuff, thanks for the reply.

  8. #28
    Join Date
    Sep 2011
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    19

    Re: USB Wi-Fi dongle US Robotics USR5422

    Glad you find it interesting.

    I try to give back kindness I receive.

    ... and more or less I remastered the tricks I learned from you.


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