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From: Grzegorz Jankowski (grzegorz.jankowskiprosoft.com.pl)
Date: Thu Feb 01 2001 - 09:12:31 CST

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    Hello all,

    I don't know if the fist post here should be a question, but actually
    it seems there is no other newsgroup that aims to people using
    wireless lan.... :-)

    My problem looks like this:
    1. Configuration:
          Linux Debian kernel 2.2.17 with wireless lan suport compiled in.
          Typical atx standalone Celeron 633,
          PCI-to-PCMCIA board Ricoh RL5C475 rev 80
            packages:
            pcmcia-cs-3.1.24
            linux-wlan-ng-0.1.7
    2. My steps:
            instaled and configured ( propertly ?? I hope... ) above
    packages.
            pcmcia cards ( PROXIM RangeLan DS 11Mbit and other type: ZOOM
    Air 4100 )
            installs themselves ok. module prism2_cs registers device wlan0.

            ( buzzer beeps in ok. mode )
            after that there is a script autorunned like this: wlan-ng
    start wlan0
    3. Problem:
        PC freezes. You cannot do anythning, even change the console....
        When you remove pcmcia card from the slot - cardmgr unloads device
        and everything goes back and looks ok.
        No errors are reported in syslog.
    4. After some hours I found line in wlan-ng :
        ... in section
            #=====STA STARTUP=====
                ....
                $WLANCTL $DEVICE dot11req_associate "listeninterval=0"
                ......
            #=====PCMCIA NET DEVICE====

        ( WLANCTL=/sbin/wlanctl-ng $DEVICE=wlan0 )

        removal ( commenting ) of this line makes the script to go back
    after running
        manually or automatically when you insert the card.
        And resolves the problem of freezing the PC
        But I cannot ifconfig the device.

        ifconfig wlan0 192.168.0.1 broadcast 192.168.0.255 netmask
    255.255.255.0 up
    tells me
        SIOCSIFFLAGS: No medium found
        SIOCSIFFLAGS: No medium found

    5. ifconfig wlan0
        shows good MAC addr.

    6. There is no ( I think ) problem with Irq ( it takes 5 int ) or port (
    it takes 0x100-0x13f )
        and everything looks good in /proc/ioports or interrupts....

    WHAT HAVE I MISSED?

    OR WHAT IS WRONG??

    Really waiting for help....

    Grzegorz J. Jankowski

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