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Thread: Wireless Network Troubleshooting

  1. #1
    Join Date
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    Ubuntu 9.10 Karmic Koala

    Wireless Network Troubleshooting (RESOLVED)

    Hi, I had wireless working on my laptop, and it seems to have stopped working.
    I've been arguing with it and am somewhat concerned that I've made the situation even worse.

    How does one begin troubleshooting wireless problems?

    Linksys, WPC11 v4

    ****@****-laptop:~$ lshw
    WARNING: you should run this program as super-user.
    ****-laptop
    description: Computer
    width: 32 bits
    *-core
    description: Motherboard
    physical id: 0
    *-memory
    description: System memory
    physical id: 1
    size: 503MiB
    *-cpu
    product: Intel(R) Pentium(R) M processor 1.60GHz
    vendor: Intel Corp.
    physical id: 2
    bus info: cpu@0
    version: 6.13.6
    size: 1200MHz
    capacity: 1200MHz
    width: 32 bits
    capabilities: fpu fpu_exception wp vme de pse tsc msr mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe up bts est tm2 cpufreq
    *-pci
    description: Host bridge
    product: 82852/82855 GM/GME/PM/GMV Processor to I/O Controller
    vendor: Intel Corporation
    physical id: 100
    bus info: pci@0000:00:00.0
    version: 02
    width: 32 bits
    clock: 33MHz
    configuration: driver=agpgart-intel module=intel_agp
    *-system:0 UNCLAIMED
    description: System peripheral
    product: 82852/82855 GM/GME/PM/GMV Processor to I/O Controller
    vendor: Intel Corporation
    physical id: 0.1
    bus info: pci@0000:00:00.1
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master
    configuration: latency=0
    *-system:1 UNCLAIMED
    description: System peripheral
    product: 82852/82855 GM/GME/PM/GMV Processor to I/O Controller
    vendor: Intel Corporation
    physical id: 0.3
    bus info: pci@0000:00:00.3
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master
    configuration: latency=0
    *-display:0 UNCLAIMED
    description: VGA compatible controller
    product: 82852/855GM Integrated Graphics Device
    vendor: Intel Corporation
    physical id: 2
    bus info: pci@0000:00:02.0
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: latency=0
    *-display:1 UNCLAIMED
    description: Display controller
    product: 82852/855GM Integrated Graphics Device
    vendor: Intel Corporation
    physical id: 2.1
    bus info: pci@0000:00:02.1
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: latency=0
    *-usb:0
    description: USB Controller
    product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1
    vendor: Intel Corporation
    physical id: 1d
    bus info: pci@0000:00:1d.0
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master
    configuration: driver=uhci_hcd latency=0 module=uhci_hcd
    *-usb:1
    description: USB Controller
    product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2
    vendor: Intel Corporation
    physical id: 1d.1
    bus info: pci@0000:00:1d.1
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master
    configuration: driver=uhci_hcd latency=0 module=uhci_hcd
    *-usb:2
    description: USB Controller
    product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3
    vendor: Intel Corporation
    physical id: 1d.2
    bus info: pci@0000:00:1d.2
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master
    configuration: driver=uhci_hcd latency=0 module=uhci_hcd
    *-usb:3
    description: USB Controller
    product: 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller
    vendor: Intel Corporation
    physical id: 1d.7
    bus info: pci@0000:00:1d.7
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: driver=ehci_hcd latency=0 module=ehci_hcd
    *-pci
    description: PCI bridge
    product: 82801 Mobile PCI Bridge
    vendor: Intel Corporation
    physical id: 1e
    bus info: pci@0000:00:1e.0
    version: 83
    width: 32 bits
    clock: 33MHz
    capabilities: pci bus_master
    *-network:0
    description: Wireless interface
    product: PRO/Wireless 2200BG [Calexico2] Network Connection
    vendor: Intel Corporation
    physical id: 4
    bus info: pci@0000:01:04.0
    logical name: eth1
    version: 05
    serial: 00:0e:35:96:98:2f
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical wireless
    configuration: broadcast=yes driver=ipw2200 driverversion=1.2.2kmprq firmware=ABG:9.0.2.6 (Mar 22 2005) latency=64 maxlatency=24 mingnt=3 module=ipw2200 multicast=yes wireless=radio off
    *-pcmcia:0
    description: CardBus bridge
    product: OZ711M1/MC1 4-in-1 MemoryCardBus Controller
    vendor: O2 Micro, Inc.
    physical id: 5
    bus info: pci@0000:01:05.0
    version: 20
    width: 32 bits
    clock: 33MHz
    capabilities: pcmcia bus_master cap_list
    configuration: driver=yenta_cardbus latency=176 maxlatency=5 module=yenta_socket
    *-pcmcia:1
    description: CardBus bridge
    product: OZ711M1/MC1 4-in-1 MemoryCardBus Controller
    vendor: O2 Micro, Inc.
    physical id: 5.1
    bus info: pci@0000:01:05.1
    version: 20
    width: 32 bits
    clock: 33MHz
    capabilities: pcmcia bus_master cap_list
    configuration: driver=yenta_cardbus latency=176 maxlatency=5 mingnt=128 module=yenta_socket
    *-system UNCLAIMED
    description: System peripheral
    product: OZ711Mx 4-in-1 MemoryCardBus Accelerator
    vendor: O2 Micro, Inc.
    physical id: 5.2
    bus info: pci@0000:01:05.2
    version: 00
    width: 32 bits
    clock: 33MHz
    capabilities: cap_list
    configuration: latency=64
    *-network:1
    description: Ethernet interface
    product: RTL-8139/8139C/8139C+
    vendor: Realtek Semiconductor Co., Ltd.
    physical id: 6
    bus info: pci@0000:01:06.0
    logical name: eth0
    version: 10
    serial: 00:40:45:21:1d:36
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical
    configuration: broadcast=yes driver=8139too driverversion=0.9.28 ip=192.168.1.100 latency=64 maxlatency=64 mingnt=32 module=8139too multicast=yes
    *-isa
    description: ISA bridge
    product: 82801DBM (ICH4-M) LPC Interface Bridge
    vendor: Intel Corporation
    physical id: 1f
    bus info: pci@0000:00:1f.0
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: isa bus_master
    configuration: latency=0
    *-ide
    description: IDE interface
    product: 82801DBM (ICH4-M) IDE Controller
    vendor: Intel Corporation
    physical id: 1f.1
    bus info: pci@0000:00:1f.1
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: ide bus_master
    configuration: driver=ata_piix latency=0 module=ata_piix
    *-multimedia
    description: Multimedia audio controller
    product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller
    vendor: Intel Corporation
    physical id: 1f.5
    bus info: pci@0000:00:1f.5
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: driver=Intel ICH latency=0 module=snd_intel8x0
    *-communication UNCLAIMED
    description: Modem
    product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller
    vendor: Intel Corporation
    physical id: 1f.6
    bus info: pci@0000:00:1f.6
    version: 03
    width: 32 bits
    clock: 33MHz
    capabilities: cap_list
    configuration: latency=0
    *-network
    description: Wireless interface
    product: RTL8180L 802.11b MAC
    vendor: Realtek Semiconductor Co., Ltd.
    physical id: 0
    bus info: pci@0000:02:00.0
    logical name: wlan0
    version: 20
    serial: 00:0f:66:4b:96:3e
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical wireless
    configuration: broadcast=yes driver=ndiswrapper+net8180 driverversion=1.53+Realtek,10/07/2004,5.173.10 latency=64 maxlatency=64 mingnt=32 module=ndiswrapper multicast=yes wireless=IEEE 802.11b
    *-network DISABLED
    description: Ethernet interface
    physical id: 1
    logical name: pan0
    serial: 8a:12:6c:94:54:56
    capabilities: ethernet physical
    configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A multicast=yes


    ****@****-laptop:~$ lspci
    00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
    00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
    00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
    00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
    00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
    00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03)
    00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03)
    00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03)
    00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 03)
    00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83)
    00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge (rev 03)
    00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev 03)
    00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
    00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller (rev 03)
    01:04.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05)
    01:05.0 CardBus bridge: O2 Micro, Inc. OZ711M1/MC1 4-in-1 MemoryCardBus Controller (rev 20)
    01:05.1 CardBus bridge: O2 Micro, Inc. OZ711M1/MC1 4-in-1 MemoryCardBus Controller (rev 20)
    01:05.2 System peripheral: O2 Micro, Inc. OZ711Mx 4-in-1 MemoryCardBus Accelerator
    01:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8180L 802.11b MAC (rev 20)
    Last edited by gloken; January 26th, 2009 at 06:57 AM. Reason: Resolved!!

  2. #2
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    Re: Wireless Network Troubleshooting

    try a system recovery or find a driver.
    hope this helps
    ben

  3. #3
    Join Date
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    Re: Wireless Network Troubleshooting

    Quote Originally Posted by blothian View Post
    try a system recovery or find a driver.
    hope this helps
    ben
    I did a clean install, installed wifi and ndiswrapper to install the windows drivers and the card still does not work.

    Any help troubleshooting the card would be much appreciated.

    Quick update: sudo iwlist scan does show me several wireless networks in the area, so I seem to be connecting to the card. The GUI network manager isn't finding any wireless though and I can't connect to the internet.
    Last edited by gloken; January 25th, 2009 at 12:19 AM. Reason: update!

  4. #4
    Join Date
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    Re: Wireless Network Troubleshooting

    Quote Originally Posted by gloken View Post
    I did a clean install, installed wifi and ndiswrapper to install the windows drivers and the card still does not work.

    Any help troubleshooting the card would be much appreciated.

    Quick update: sudo iwlist scan does show me several wireless networks in the area, so I seem to be connecting to the card. The GUI network manager isn't finding any wireless though and I can't connect to the internet.
    Hi gloken, here's a link to Ubuntu documentation, Wireless troubleshooting:
    https://help.ubuntu.com/8.10/interne...eshooting.html

    You have to configure the connection with NetworkManager the first time, or it will not set it up. Maybe right click the 'nm-applett', (by the clock), and select 'Edit connections'.

  5. #5
    Join Date
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    Ubuntu Mate 16.04 Xenial Xerus

    Re: Wireless Network Troubleshooting

    I wrote a thread about this type of activity once (See signature!)

  6. #6
    Join Date
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    Re: Wireless Network Troubleshooting

    Hey,

    I had the same issue with mine, all i did was:
    Get the latest updates for all the new modules, and then from there went into System and go for Hardware Drivers, and just enable the drivers that are required for your wireless. (I had a Broadcom 4328 that i thought I'd never find drivers for.) Try that, if that doesn't work. Repost. Also, try Ndiswrapper.

  7. #7
    Join Date
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    Re: Wireless Network Troubleshooting

    Hi again, thanks for all the help. I'll just sum up my results in case someone has a similar problem.


    I stumbled upon my answer in here:


    HOWTO: Wireless Security - WPA1, WPA2, LEAP, etc.


    I disabled the gnome-network-manager and went to the command line. I had to edit /etc/network/interfaces and add:

    auto wlan0
    iface wlan0 inet dhcp

    It looks pretty obvious there, but it seems to work now. Thanks for all the tips and links, they were enormously helpful.

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