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Thread: Geordi is a moron. Wireless setup help. RTL8187

  1. #1
    Join Date
    Oct 2007
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    Geordi is a moron. Wireless setup help. RTL8187

    Computer: Gateway MT 6452 Laptop
    Operating system: Ubuntu 8.04 Hardy Heron - Kernel 2.6.24-17-generic
    Hardware Issue: Unable to log in to WEP network w/ RTL8187 internal wireless card.

    For some reason a week ago, my wireless stopped working on my Gateway MT652 with a RTL 8187 internal wireless card. Since then, I have done a lot of stupid things to try to get it running again. I can't say for certain everything I did or didn't do, but here is what I know about my system right now.


    Ndiswrapper is running and as far as I can tell, configured properly. Programs such as wifi-radar can see all the available networks.

    lsmod does list ndiswrapper. I have loaded it with the win98 driver netrtuw. I have removed the driver libcmd and can no longer find it. Was it important?

    iwconfig has this to say:


    lo no wireless extensions.

    eth0 no wireless extensions.

    wlan0 IEEE 802.11g ESSIDff/any
    Mode:Managed Frequency:2.462 GHz Access Point: Not-Associated
    Bit Rate:54 Mb/s Tx-Power:20 dBm Sensitivity=0/3
    RTS thrff Fragment thrff
    Power Managementff
    Link Quality:0 Signal level:0 Noise level:0
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0


    Here is lshw -C network:


    WARNING: you should run this program as super-user.
    *-network
    description: Ethernet interface
    product: 88E8038 PCI-E Fast Ethernet Controller
    vendor: Marvell Technology Group Ltd.
    physical id: 0
    bus info: pci@0000:02:00.0
    logical name: eth0
    version: 14
    serial: 00:e0:b8:d4:43:64
    width: 64 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical
    configuration: broadcast=yes driver=sky2 driverversion=1.20 firmware=N/A ip=192.168.1.103 latency=0 module=sky2 multicast=yes
    *-network
    description: Wireless interface
    physical id: 1
    logical name: wlan0
    serial: 00:c0:a8:e3:c5:0b
    capabilities: ethernet physical wireless
    configuration: broadcast=yes driver=ndiswrapper+netrtuw driverversion=1.52+Realtek Semiconductor Corp. multicast=yes wireless=IEEE 802.11g


    Finally, here are the customized contents of /etc/network/interfaces


    auto lo
    iface lo inet loopback
    address 127.0.0.1
    netmask 255.0.0.0

    auto eth0
    #iface eth0 inet dhcp

    auto eth1
    #iface eth1 inet dhcp

    auto eth2
    #iface eth2 inet dhcp

    auto ath0
    #iface ath0 inet dhcp

    auto wmaster0

    iface eth0 inet dhcp

    iface wlan0 inet dhcp
    wireless-key I don't know how to stop the smilies!!
    wireless-essid ktbug

    auto wlan0


    Bear in mind that, being a moron I have half-assed my way though several terminal based guides here on the forums and have committed such atrocities as putting files in /etc/default named NetworkManager which only contain the phrase "exit." I would like to get that applet running again.

    So, that's my problem in a nutshell. My curiosity writes cheques my brain can't cash.

  2. #2
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    20,419
    Distro
    Ubuntu 14.10 Utopic Unicorn

    Re: Geordi is a moron. Wireless setup help. RTL8187

    Well, you seem to have a few conflicts here.
    NetworkManager which only contain the phrase "exit." I would like to get that applet running again
    I think a lot of people have difficulty with Network Manager and so I would not be so anxious to get trouble working again. I'd suggest we work with wifi-radar for now.

    Your /etc/network/interfaces ffile look like it could be tweaked. I suggest amending it to:
    Code:
    auto lo
    iface lo inet loopback
    address 127.0.0.1
    netmask 255.0.0.0
    
    #auto eth0
    iface eth0 inet dhcp
    
    auto wlan0
    iface wlan0 inet dhcp
    wireless-key <ur_WEP_key>
    wireless-essid ktbug
    Please do:
    Code:
    sudo iwlist wlan0 scan
    Please make sure your ESSID is actually ktbug and not Ktbug or KTBug, etc. Wireless encryption will not accept 'close enough.' Amend your interfaces file as needed.

    Finally, let's ttroubleshoot your WEP key. What is its length?
    # 40-or 64-bit ASCII WEP code has five characters
    # 40- or 64-bit HEX WEP code has 10 characters
    # 128-bit ASCII WEP code has 13 characters
    # 128-bit HEX WEP code has 26 characters

    If your key is ASCII, precede the key in interfaces with s:, like this:
    Code:
    wireless-key s:<ur_ASCII_key>
    When you restart networking:
    Code:
    sudo /etc/init.d/networking restart
    do you connect?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
    Join Date
    Oct 2007
    Beans
    2

    Re: Geordi is a moron. Wireless setup help. RTL8187

    No connection for me. After I enter:

    sudo /etc/init.d/networking restart

    I was told:

    jarmitage@jarmitage-laptop:~$ sudo /etc/init.d/networking restart
    * Reconfiguring network interfaces... There is already a pid file /var/run/dhclient.eth0.pid with pid 9255
    killed old client process, removed PID file
    Internet Systems Consortium DHCP Client V3.0.6
    Copyright 2004-2007 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/

    Listening on LPF/eth0/00:e0:b8:d4:43:64
    Sending on LPF/eth0/00:e0:b8:d4:43:64
    Sending on Socket/fallback
    DHCPRELEASE on eth0 to 192.168.1.1 port 67
    There is already a pid file /var/run/dhclient.wlan0.pid with pid 9325
    killed old client process, removed PID file
    Internet Systems Consortium DHCP Client V3.0.6
    Copyright 2004-2007 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/

    Listening on LPF/wlan0/00:c0:a8:e3:c5:0b
    Sending on LPF/wlan0/00:c0:a8:e3:c5:0b
    Sending on Socket/fallback
    DHCPRELEASE on wlan0 to 192.168.1.1 port 67
    There is already a pid file /var/run/dhclient.eth0.pid with pid 134519072
    Internet Systems Consortium DHCP Client V3.0.6
    Copyright 2004-2007 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/

    Listening on LPF/eth0/00:e0:b8:d4:43:64
    Sending on LPF/eth0/00:e0:b8:d4:43:64
    Sending on Socket/fallback
    DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
    DHCPOFFER of 192.168.1.103 from 192.168.1.1
    DHCPREQUEST of 192.168.1.103 on eth0 to 255.255.255.255 port 67
    DHCPACK of 192.168.1.103 from 192.168.1.1
    bound to 192.168.1.103 -- renewal in 38983 seconds.
    There is already a pid file /var/run/dhclient.wlan0.pid with pid 134519072
    Internet Systems Consortium DHCP Client V3.0.6
    Copyright 2004-2007 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/

    Listening on LPF/wlan0/00:c0:a8:e3:c5:0b
    Sending on LPF/wlan0/00:c0:a8:e3:c5:0b
    Sending on Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
    No DHCPOFFERS received.
    No working leases in persistent database - sleeping.
    [ OK ]


    And here are the results of sudo iwlist wlan0 scan


    wlan0 Scan completed :
    Cell 01 - Address: 00:1C:10:C57:E1
    ESSID:"Sandy"
    Protocol:IEEE 802.11g
    Mode:Managed
    Frequency:2.437 GHz (Channel 6)
    Quality:46/100 Signal level:-66 dBm Noise level:-96 dBm
    Encryption keyn
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
    24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
    12 Mb/s; 48 Mb/s
    Extra:bcn_int=100
    Extra:atim=0
    IE: WPA Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (1) : TKIP
    Authentication Suites (1) : PSK
    Cell 02 - Address: 00:18:F8:3C:F3:4F
    ESSID:"DjHome"
    Protocol:IEEE 802.11g
    Mode:Managed
    Frequency:2.437 GHz (Channel 6)
    Quality:42/100 Signal level:-69 dBm Noise level:-96 dBm
    Encryption keyn
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
    24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
    12 Mb/s; 48 Mb/s
    Extra:bcn_int=100
    Extra:atim=0
    Cell 03 - Address: 00:1A:70:4A:C2:F2
    ESSID:"ktbug"
    Protocol:IEEE 802.11g
    Mode:Managed
    Frequency:2.462 GHz (Channel 11)
    Quality:73/100 Signal level:-49 dBm Noise level:-96 dBm
    Encryption keyn
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
    24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
    12 Mb/s; 48 Mb/s
    Extra:bcn_int=100
    Extra:atim=0
    Cell 04 - Address: 00:14:6C:9C:032
    ESSID:"BFG90"
    Protocol:IEEE 802.11g
    Mode:Managed
    Frequency:2.437 GHz (Channel 6)
    Quality:39/100 Signal level:-71 dBm Noise level:-96 dBm
    Encryption keyn
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
    12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
    48 Mb/s; 54 Mb/s
    Extra:bcn_int=100
    Extra:atim=0
    Cell 05 - Address: 00:06:25:E7:6A:E1
    ESSID:"natallah"
    Protocol:IEEE 802.11b
    Mode:Managed
    Frequency:2.437 GHz (Channel 6)
    Quality:40/100 Signal level:-70 dBm Noise level:-96 dBm
    Encryption keyff
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
    Extra:bcn_int=100
    Extra:atim=0
    Cell 06 - Address: 00:1F:33:34:BE:10
    ESSID:"SpeedRacer"
    Protocol:IEEE 802.11g
    Mode:Managed
    Frequency:2.462 GHz (Channel 11)
    Quality:39/100 Signal level:-71 dBm Noise level:-96 dBm
    Encryption keyn
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
    12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
    48 Mb/s; 54 Mb/s
    Extra:bcn_int=100
    Extra:atim=0
    IE: WPA Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (1) : TKIP
    Authentication Suites (1) : PSK


    Other than that I followed the directions to a T with the exception of auto-enabling eth0 under my /etc/network/interfaces.

    Any more ideas?

  4. #4
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    20,419
    Distro
    Ubuntu 14.10 Utopic Unicorn

    Re: Geordi is a moron. Wireless setup help. RTL8187

    DHCPACK of 192.168.1.103 from 192.168.1.1
    bound to 192.168.1.103 -- renewal in 38983 seconds.
    Evidently you had your wired ethernet connected and tried the commands before you amended interfaces. Please detach the wire and do:
    Code:
    sudo /etc/init.d/networking restart
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

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