Ubuntu
gnome-nettool package

How to get wifi (intel pro/wireless 3945) working again?

Asked by Duncan Lithgow

I've got an HP Pavilion dv8220ea (nice machine, bit noisy) which has an Intel PRO/wireless 3945abg wireless card. Back when I bought this machine the driver (ipw3945) was unstable, now the new driver (iwl3945) just doesn't work (it didn't in Jaunty and still doesn't).

Is there anything I can do that doesn't require custom kernels and such? I'm not new to Ubuntu, but this has stumped me...

duncan@duncan-karmic:~$ sudo lshw
...
        *-pci:3
             description: PCI bridge
             product: 82801G (ICH7 Family) PCI Express Port 3
             vendor: Intel Corporation
             physical id: 1c.2
             bus info: pci@0000:00:1c.2
             version: 01
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm bus_master cap_list
             configuration: driver=pcieport-driver
             resources: irq:27 memory:84000000-840fffff
           *-network
                description: Wireless interface
                product: PRO/Wireless 3945ABG [Golan] Network Connection
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:06:00.0
                logical name: wmaster0
                version: 02
                serial: 00:13:02:30:05:9e
                width: 32 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list logical ethernet physical wireless
                configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg
                resources: irq:28 memory:84000000-84000fff

@Mark: The connection I have control over is listed as Cell 02 called 'kiwi_house2'. For now this has no security features active. I thought this might help us diagnose the problem more easily.

Question information

Language:
English Edit question
Status:
Open
For:
Ubuntu gnome-nettool Edit question
Assignee:
Mark Rijckenberg Edit question
Last query:
Last reply:
Revision history for this message
Mark Rijckenberg (markrijckenberg) said : 		#1

Hi,

Please first connect your network card to the wireless router using an ethernet cable (also known as a LAN cable).

In order to gather essential troubleshooting information about your wireless card, please follow this procedure:

Step 1: Open Terminal from "Applications->Accessories->Terminal"

Step 2: Please copy-paste the following command from the https://answers.launchpad.net/ubuntu website in Firefox into the Linux Terminal. Do NOT copy-paste from the Email message into the Terminal, as that will only copy PART of the command. The command STARTS with the word sudo and ENDS with the word restart. So please copy-paste the ENTIRE command below from Firefox into a Terminal, press <enter>, then enter password when sudo asks for password, then press enter again.

sudo lshw -C network; sudo iwlist scanning; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nn; lsusb; sudo lshw -C usb; uname -a; dmesg | grep ound; dmesg | grep b43; dmesg | grep iwl; iwconfig; sudo /etc/init.d/networking restart

Step 3: Please post results (copy/paste terminal output) on this thread

Regards,

Mark

Revision history for this message
Duncan Lithgow (duncan-lithgow) said : 		#2

Thanks Mark for getting this rolling, here's the output

duncan@duncan-karmic:~$ sudo lshw -C network; sudo iwlist scanning; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nn; lsusb; sudo lshw -C usb; uname -a; dmesg | grep ound; dmesg | grep b43; dmesg | grep iwl; iwconfig; sudo /etc/init.d/networking restart
  *-network
       description: Wireless interface
       product: PRO/Wireless 3945ABG [Golan] Network Connection
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:06:00.0
       logical name: wmaster0
       version: 02
       serial: 00:13:02:30:05:9e
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list logical ethernet physical wireless
       configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:28 memory:84000000-84000fff
  *-network
       description: Ethernet interface
       product: PRO/100 VE Network Connection
       vendor: Intel Corporation
       physical id: 8
       bus info: pci@0000:08:08.0
       logical name: eth0
       version: 01
       serial: 00:0f:b0:fe:82:f6
       size: 100MB/s
       capacity: 100MB/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e100 driverversion=3.5.24-k2-NAPI duplex=full firmware=N/A ip=192.168.2.101 latency=66 link=yes maxlatency=56 mingnt=8 multicast=yes port=MII speed=100MB/s
       resources: irq:20 memory:d2006000-d2006fff ioport:2000(size=64)
  *-network DISABLED
       description: Ethernet interface
       physical id: 1
       logical name: vboxnet0
       serial: 0a:00:27:00:00:00
       capabilities: ethernet physical
       configuration: broadcast=yes multicast=yes
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

vboxnet0 Interface doesn't support scanning.

wmaster0 Interface doesn't support scanning.

wlan0 Scan completed :
          Cell 01 - Address: 96:AC:C3:FC:F3:10
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=24/70 Signal level=-86 dBm
                    Encryption key:on
                    ESSID:"WASC-001a6bc22366-PHILIPS"
                    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
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Ad-Hoc
                    Extra:tsf=00000165ee0f5196
                    Extra: Last beacon: 2320ms ago
                    IE: Unknown: 0019574153432D3030316136626332323336362D5048494C495053
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 06020000
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD06001018020010
          Cell 02 - Address: 00:1F:1F:15:92:3B
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=62/70 Signal level=-48 dBm
                    Encryption key:off
                    ESSID:"kiwi_house2"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=00000021d2b8d19b
                    Extra: Last beacon: 2256ms ago
                    IE: Unknown: 000B6B6977695F686F75736532
                    IE: Unknown: 010882840B160C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: DD0700E04C01020300
          Cell 03 - Address: 00:1E:58:88:F9:BC
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=20/70 Signal level=-90 dBm
                    Encryption key:on
                    ESSID:"dlink21090"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=000000017e89b19b
                    Extra: Last beacon: 2512ms ago
                    IE: Unknown: 000A646C696E6B3231303930
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C

auto lo
iface lo inet loopback

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.10
DISTRIB_CODENAME=karmic
DISTRIB_DESCRIPTION="Ubuntu 9.10"
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 01)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 [8086:27d0] (rev 01)
00:1c.1 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 [8086:27d2] (rev 01)
00:1c.2 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 [8086:27d4] (rev 01)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 [8086:27c8] (rev 01)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 [8086:27c9] (rev 01)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 [8086:27ca] (rev 01)
00:1d.3 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 [8086:27cb] (rev 01)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller [8086:27cc] (rev 01)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e1)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 01)
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller [8086:27c4] (rev 01)
00:1f.3 SMBus [0c05]: Intel Corporation 82801G (ICH7 Family) SMBus Controller [8086:27da] (rev 01)
01:00.0 VGA compatible controller [0300]: nVidia Corporation G72M [GeForce Go 7400] [10de:01d8] (rev a1)
06:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
08:06.0 CardBus bridge [0607]: Texas Instruments PCIxx12 Cardbus Controller [104c:8039]
08:06.1 FireWire (IEEE 1394) [0c00]: Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller [104c:803a]
08:06.2 Mass storage controller [0180]: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD) [104c:803b]
08:06.3 SD Host controller [0805]: Texas Instruments PCIxx12 SDA Standard Compliant SD Host Controller [104c:803c]
08:08.0 Ethernet controller [0200]: Intel Corporation PRO/100 VE Network Connection [8086:1092] (rev 01)
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 046d:c404 Logitech, Inc. TrackMan Wheel
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Linux duncan-karmic 2.6.31-15-generic #50-Ubuntu SMP Tue Nov 10 14:54:29 UTC 2009 i686 GNU/Linux
[ 0.000000] ACPI: BIOS bug: multiple APIC/MADT found, using 0
[ 0.000000] found SMP MP-table at [c00f65b0] f65b0
[ 0.265341] ACPI: No dock devices found.
[ 0.278742] pci 0000:06:00.0: BAR 0: no parent found for of device [0xd2100000-0xd2100fff]
[ 0.329095] pnp: PnP ACPI: found 10 devices
[ 2.807313] isapnp: No Plug & Play device found
[ 2.836228] hub 1-0:1.0: USB hub found
[ 2.836756] hub 2-0:1.0: USB hub found
[ 2.837212] hub 3-0:1.0: USB hub found
[ 2.837649] hub 4-0:1.0: USB hub found
[ 2.838076] hub 5-0:1.0: USB hub found
[ 2.861549] device-mapper: multipath round-robin: version 1.0.0 loaded
[ 2.866330] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 21.371769] vboxdrv: Found 2 processor cores.
[ 24.376823] sdhci-pci 0000:08:06.3: SDHCI controller found [104c:803c] (rev 0)
[ 24.390037] lp: driver loaded but no devices found
[ 24.391337] yenta_cardbus 0000:08:06.0: CardBus bridge found [103c:30a5]
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic root=UUID=8f13b43d-ddff-4128-a048-b8b03c10d161 ro quiet splash
[ 24.610603] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks
[ 24.610608] iwl3945: Copyright(c) 2003-2009 Intel Corporation
[ 24.610751] iwl3945 0000:06:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[ 24.610768] iwl3945 0000:06:00.0: setting latency timer to 64
[ 24.667886] iwl3945 0000:06:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 24.667892] iwl3945 0000:06:00.0: Detected Intel Wireless WiFi Link 3945ABG
[ 24.668071] iwl3945 0000:06:00.0: irq 28 for MSI/MSI-X
[ 24.799967] phy0: Selected rate control algorithm 'iwl-3945-rs'
[ 28.005046] iwl3945 0000:06:00.0: firmware: requesting iwlwifi-3945-2.ucode
[ 28.304144] iwl3945 0000:06:00.0: loaded firmware version 15.32.2.9
[ 28.375917] Registered led device: iwl-phy0::radio
[ 28.375945] Registered led device: iwl-phy0::assoc
[ 28.376052] Registered led device: iwl-phy0::RX
[ 28.376077] Registered led device: iwl-phy0::TX
lo no wireless extensions.

eth0 no wireless extensions.

vboxnet0 no wireless extensions.

wmaster0 no wireless extensions.

wlan0 IEEE 802.11abg Mode:Managed Frequency:2.462 GHz
          Access Point: Not-Associated Tx-Power=15 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:off
          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

 * Reconfiguring network interfaces... [ OK ]
duncan@duncan-karmic:~$

Revision history for this message
Mark Rijckenberg (markrijckenberg) said : 		#3

Your wireless cards seems to work fine, as it has detected 3 wireless access points. If you cannot connect to your wireless access point using NetworkManager, first try installing and using wicd instead.

If you cannot get a stable wireless connection using wicd, your pc might be experiencing this bug:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/291685

In that case, I would recommend installing the newest version of the compat-wireless stack

To install wicd, run these commands:

sudo aptitude update
sudo aptitude install wicd

To install the newest compat-wireless stack, run these commands:

sudo aptitude update
sudo aptitude install linux-backports-modules-karmic linux-backports-modules-wireless-karmic-generic

Then reboot and retest wireless.

Revision history for this message
Duncan Lithgow (duncan-lithgow) said : 		#4

Wicd simply says 'Connection Failed: Unable to Get IP Address' after trying for a while. Here's the same out put as before, but now using wicd, still using iwl3945

duncan@duncan-karmic:~$ sudo lshw -C network; sudo iwlist scanning; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nn; lsusb; sudo lshw -C usb; uname -a; dmesg | grep ound; dmesg | grep b43; dmesg | grep iwl; iwconfig; sudo /etc/init.d/networking restart
[sudo] password for duncan:
  *-network
       description: Wireless interface
       product: PRO/Wireless 3945ABG [Golan] Network Connection
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:06:00.0
       logical name: wlan0
       version: 02
       serial: 00:13:02:30:05:9e
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:28 memory:84000000-84000fff
  *-network
       description: Ethernet interface
       product: PRO/100 VE Network Connection
       vendor: Intel Corporation
       physical id: 8
       bus info: pci@0000:08:08.0
       logical name: eth0
       version: 01
       serial: 00:0f:b0:fe:82:f6
       size: 100MB/s
       capacity: 100MB/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e100 driverversion=3.5.24-k2-NAPI duplex=full firmware=N/A ip=192.168.2.101 latency=66 link=yes maxlatency=56 mingnt=8 multicast=yes port=MII speed=100MB/s
       resources: irq:20 memory:d2006000-d2006fff ioport:2000(size=64)
  *-network DISABLED
       description: Ethernet interface
       physical id: 1
       logical name: vboxnet0
       serial: 0a:00:27:00:00:00
       capabilities: ethernet physical
       configuration: broadcast=yes multicast=yes
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

vboxnet0 Interface doesn't support scanning.

wlan0 Scan completed :
          Cell 01 - Address: 00:1F:1F:15:92:3B
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70 Signal level=-32 dBm
                    Encryption key:off
                    ESSID:"kiwi_house2"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000002c33391a2c
                    Extra: Last beacon: 60ms ago
                    IE: Unknown: 000B6B6977695F686F75736532
                    IE: Unknown: 010882840B160C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: DD0700E04C01020300
          Cell 02 - Address: 96:AC:C3:FC:F3:10
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=35/70 Signal level=-75 dBm
                    Encryption key:on
                    ESSID:"WASC-001a6bc22366-PHILIPS"
                    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
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Ad-Hoc
                    Extra:tsf=000001704e5d6263
                    Extra: Last beacon: 3200ms ago
                    IE: Unknown: 0019574153432D3030316136626332323336362D5048494C495053
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 06020000
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD06001018020010

auto lo
iface lo inet loopback

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.10
DISTRIB_CODENAME=karmic
DISTRIB_DESCRIPTION="Ubuntu 9.10"
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 01)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 [8086:27d0] (rev 01)
00:1c.1 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 [8086:27d2] (rev 01)
00:1c.2 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 [8086:27d4] (rev 01)
... blah blah
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e1)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 01)
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller [8086:27c4] (rev 01)
00:1f.3 SMBus [0c05]: Intel Corporation 82801G (ICH7 Family) SMBus Controller [8086:27da] (rev 01)
01:00.0 VGA compatible controller [0300]: nVidia Corporation G72M [GeForce Go 7400] [10de:01d8] (rev a1)
06:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
...blah blah
08:08.0 Ethernet controller [0200]: Intel Corporation PRO/100 VE Network Connection [8086:1092] (rev 01)
Bus 001 Device 004: ID 152d:2336 JMicron Technology Corp. / JMicron USA Technology Corp.
Bus 001 Device 003: ID 059b:0370 Iomega Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 046d:c404 Logitech, Inc. TrackMan Wheel
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Linux duncan-karmic 2.6.31-15-generic #50-Ubuntu SMP Tue Nov 10 14:54:29 UTC 2009 i686 GNU/Linux
[ 0.000000] ACPI: BIOS bug: multiple APIC/MADT found, using 0
[ 0.000000] found SMP MP-table at [c00f65b0] f65b0
[ 0.265176] ACPI: No dock devices found.
[ 0.278580] pci 0000:06:00.0: BAR 0: no parent found for of device [0xd2100000-0xd2100fff]
[ 0.329092] pnp: PnP ACPI: found 10 devices
[ 2.810907] isapnp: No Plug & Play device found
'USB hub found', blah blah...
-robin: version 1.0.0 loaded
[ 2.871434] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 18.149986] vboxdrv: Found 2 processor cores.
[ 19.764543] lp: driver loaded but no devices found
[ 21.103911] sdhci-pci 0000:08:06.3: SDHCI controller found [104c:803c] (rev 0)
[ 21.486861] yenta_cardbus 0000:08:06.0: CardBus bridge found [103c:30a5]
[ 247.826283] usb-storage: device found at 3
[ 251.002145] usb-storage: device found at 4
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic root=UUID=8f13b43d-ddff-4128-a048-b8b03c10d161 ro quiet splash
[ 22.545558] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks
[ 22.545563] iwl3945: Copyright(c) 2003-2009 Intel Corporation
[ 22.545691] iwl3945 0000:06:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[ 22.545706] iwl3945 0000:06:00.0: setting latency timer to 64
[ 22.602217] iwl3945 0000:06:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 22.602221] iwl3945 0000:06:00.0: Detected Intel Wireless WiFi Link 3945ABG
[ 22.602376] iwl3945 0000:06:00.0: irq 28 for MSI/MSI-X
[ 24.478208] phy0: Selected rate control algorithm 'iwl-3945-rs'
[ 31.540308] iwl3945 0000:06:00.0: firmware: requesting lbm-iwlwifi-3945-2.ucode
[ 31.909638] iwl3945 0000:06:00.0: loaded firmware version 15.32.2.9
[ 31.982890] Registered led device: iwl-phy0::radio
[ 31.982915] Registered led device: iwl-phy0::assoc
[ 31.982974] Registered led device: iwl-phy0::RX
[ 31.982994] Registered led device: iwl-phy0::TX
[ 41.736493] Registered led device: iwl-phy0::radio
[ 41.736517] Registered led device: iwl-phy0::assoc
[ 41.736576] Registered led device: iwl-phy0::RX
[ 41.736596] Registered led device: iwl-phy0::TX
[ 121.394202] Registered led device: iwl-phy0::radio
[ 121.394226] Registered led device: iwl-phy0::assoc
[ 121.394285] Registered led device: iwl-phy0::RX
[ 121.394306] Registered led device: iwl-phy0::TX
[ 197.602632] Registered led device: iwl-phy0::radio
[ 197.602657] Registered led device: iwl-phy0::assoc
[ 197.602740] Registered led device: iwl-phy0::RX
[ 197.602760] Registered led device: iwl-phy0::TX
[ 2443.895303] Registered led device: iwl-phy0::radio
[ 2443.895328] Registered led device: iwl-phy0::assoc
[ 2443.895411] Registered led device: iwl-phy0::RX
[ 2443.895431] Registered led device: iwl-phy0::TX
[ 2539.747901] Registered led device: iwl-phy0::radio
[ 2539.747925] Registered led device: iwl-phy0::assoc
[ 2539.748042] Registered led device: iwl-phy0::RX
[ 2539.748063] Registered led device: iwl-phy0::TX
lo no wireless extensions.

eth0 no wireless extensions.

vboxnet0 no wireless extensions.

wlan0 IEEE 802.11abg ESSID:"kiwi_house2"
          Mode:Managed Frequency:2.462 GHz Access Point: 00:1F:1F:15:92:3B
          Bit Rate=1 Mb/s Tx-Power=15 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:on
          Link Quality=70/70 Signal level=-32 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:0 Invalid misc:0 Missed beacon:0

 * Reconfiguring network interfaces... [ OK ]
duncan@duncan-karmic:~$

Now here is the output from the same command after I go into the settings of wicd and select to use ipw3945 instead of wext.

duncan@duncan-karmic:~$ sudo lshw -C network; sudo iwlist scanning; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nn; lsusb; sudo lshw -C usb; uname -a; dmesg | grep ound; dmesg | grep b43; dmesg | grep iwl; iwconfig; sudo /etc/init.d/networking restart
[sudo] password for duncan:
  *-network
       description: Wireless interface
       product: PRO/Wireless 3945ABG [Golan] Network Connection
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:06:00.0
       logical name: wlan0
       version: 02
       serial: 00:13:02:30:05:9e
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:28 memory:84000000-84000fff
  *-network
       description: Ethernet interface
       product: PRO/100 VE Network Connection
       vendor: Intel Corporation
       physical id: 8
       bus info: pci@0000:08:08.0
       logical name: eth0
       version: 01
       serial: 00:0f:b0:fe:82:f6
       size: 100MB/s
       capacity: 100MB/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e100 driverversion=3.5.24-k2-NAPI duplex=full firmware=N/A latency=66 link=yes maxlatency=56 mingnt=8 multicast=yes port=MII speed=100MB/s
       resources: irq:20 memory:d2006000-d2006fff ioport:2000(size=64)
  *-network DISABLED
       description: Ethernet interface
       physical id: 1
       logical name: vboxnet0
       serial: 0a:00:27:00:00:00
       capabilities: ethernet physical
       configuration: broadcast=yes multicast=yes
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

vboxnet0 Interface doesn't support scanning.

wlan0 Scan completed :
          Cell 01 - Address: 00:1F:1F:15:92:3B
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70 Signal level=-32 dBm
                    Encryption key:off
                    ESSID:"kiwi_house2"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000002c5089e3de
                    Extra: Last beacon: 44ms ago
                    IE: Unknown: 000B6B6977695F686F75736532
                    IE: Unknown: 010882840B160C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: DD0700E04C01020300
          Cell 02 - Address: 96:AC:C3:FC:F3:10
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=38/70 Signal level=-72 dBm
                    Encryption key:on
                    ESSID:"WASC-001a6bc22366-PHILIPS"
                    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
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Ad-Hoc
                    Extra:tsf=000001706bae118a
                    Extra: Last beacon: 3188ms ago
                    IE: Unknown: 0019574153432D3030316136626332323336362D5048494C495053
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 06020000
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD06001018020010
          Cell 03 - Address: 00:1E:58:88:F9:BC
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=24/70 Signal level=-86 dBm
                    Encryption key:on
                    ESSID:"dlink21090"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000000bfc22319b
                    Extra: Last beacon: 3412ms ago
                    IE: Unknown: 000A646C696E6B3231303930
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C

auto lo
iface lo inet loopback

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.10
DISTRIB_CODENAME=karmic
DISTRIB_DESCRIPTION="Ubuntu 9.10"
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 01)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 [8086:27d0] (rev 01)
00:1c.1 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 [8086:27d2] (rev 01)
00:1c.2 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 [8086:27d4] (rev 01)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 [8086:27c8] (rev 01)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 [8086:27c9] (rev 01)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 [8086:27ca] (rev 01)
00:1d.3 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 [8086:27cb] (rev 01)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller [8086:27cc] (rev 01)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e1)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 01)
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller [8086:27c4] (rev 01)
00:1f.3 SMBus [0c05]: Intel Corporation 82801G (ICH7 Family) SMBus Controller [8086:27da] (rev 01)
01:00.0 VGA compatible controller [0300]: nVidia Corporation G72M [GeForce Go 7400] [10de:01d8] (rev a1)
06:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
08:06.0 CardBus bridge [0607]: Texas Instruments PCIxx12 Cardbus Controller [104c:8039]
08:06.1 FireWire (IEEE 1394) [0c00]: Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller [104c:803a]
08:06.2 Mass storage controller [0180]: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD) [104c:803b]
08:06.3 SD Host controller [0805]: Texas Instruments PCIxx12 SDA Standard Compliant SD Host Controller [104c:803c]
08:08.0 Ethernet controller [0200]: Intel Corporation PRO/100 VE Network Connection [8086:1092] (rev 01)
Bus 001 Device 004: ID 152d:2336 JMicron Technology Corp. / JMicron USA Technology Corp.
Bus 001 Device 003: ID 059b:0370 Iomega Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 046d:c404 Logitech, Inc. TrackMan Wheel
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Linux duncan-karmic 2.6.31-15-generic #50-Ubuntu SMP Tue Nov 10 14:54:29 UTC 2009 i686 GNU/Linux
[ 0.000000] ACPI: BIOS bug: multiple APIC/MADT found, using 0
[ 0.000000] found SMP MP-table at [c00f65b0] f65b0
[ 0.265176] ACPI: No dock devices found.
[ 0.278580] pci 0000:06:00.0: BAR 0: no parent found for of device [0xd2100000-0xd2100fff]
[ 0.329092] pnp: PnP ACPI: found 10 devices
[ 2.810907] isapnp: No Plug & Play device found
[ 2.840220] hub 1-0:1.0: USB hub found
[ 2.840749] hub 2-0:1.0: USB hub found
[ 2.841202] hub 3-0:1.0: USB hub found
[ 2.841641] hub 4-0:1.0: USB hub found
[ 2.842069] hub 5-0:1.0: USB hub found
[ 2.866552] device-mapper: multipath round-robin: version 1.0.0 loaded
[ 2.871434] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 18.149986] vboxdrv: Found 2 processor cores.
[ 19.764543] lp: driver loaded but no devices found
[ 21.103911] sdhci-pci 0000:08:06.3: SDHCI controller found [104c:803c] (rev 0)
[ 21.486861] yenta_cardbus 0000:08:06.0: CardBus bridge found [103c:30a5]
[ 247.826283] usb-storage: device found at 3
[ 251.002145] usb-storage: device found at 4
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic root=UUID=8f13b43d-ddff-4128-a048-b8b03c10d161 ro quiet splash
[ 22.545558] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks
[ 22.545563] iwl3945: Copyright(c) 2003-2009 Intel Corporation
[ 22.545691] iwl3945 0000:06:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[ 22.545706] iwl3945 0000:06:00.0: setting latency timer to 64
[ 22.602217] iwl3945 0000:06:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 22.602221] iwl3945 0000:06:00.0: Detected Intel Wireless WiFi Link 3945ABG
[ 22.602376] iwl3945 0000:06:00.0: irq 28 for MSI/MSI-X
[ 24.478208] phy0: Selected rate control algorithm 'iwl-3945-rs'
[ 31.540308] iwl3945 0000:06:00.0: firmware: requesting lbm-iwlwifi-3945-2.ucode
[ 31.909638] iwl3945 0000:06:00.0: loaded firmware version 15.32.2.9
[ 31.982890] Registered led device: iwl-phy0::radio
[ 31.982915] Registered led device: iwl-phy0::assoc
[ 31.982974] Registered led device: iwl-phy0::RX
[ 31.982994] Registered led device: iwl-phy0::TX
[ 41.736493] Registered led device: iwl-phy0::radio
[ 41.736517] Registered led device: iwl-phy0::assoc
[ 41.736576] Registered led device: iwl-phy0::RX
[ 41.736596] Registered led device: iwl-phy0::TX
[ 121.394202] Registered led device: iwl-phy0::radio
[ 121.394226] Registered led device: iwl-phy0::assoc
[ 121.394285] Registered led device: iwl-phy0::RX
[ 121.394306] Registered led device: iwl-phy0::TX
[ 197.602632] Registered led device: iwl-phy0::radio
[ 197.602657] Registered led device: iwl-phy0::assoc
[ 197.602740] Registered led device: iwl-phy0::RX
[ 197.602760] Registered led device: iwl-phy0::TX
[ 2443.895303] Registered led device: iwl-phy0::radio
[ 2443.895328] Registered led device: iwl-phy0::assoc
[ 2443.895411] Registered led device: iwl-phy0::RX
[ 2443.895431] Registered led device: iwl-phy0::TX
[ 2539.747901] Registered led device: iwl-phy0::radio
[ 2539.747925] Registered led device: iwl-phy0::assoc
[ 2539.748042] Registered led device: iwl-phy0::RX
[ 2539.748063] Registered led device: iwl-phy0::TX
[ 3037.398148] Registered led device: iwl-phy0::radio
[ 3037.398175] Registered led device: iwl-phy0::assoc
[ 3037.398261] Registered led device: iwl-phy0::RX
[ 3037.398281] Registered led device: iwl-phy0::TX
[ 3128.712221] Registered led device: iwl-phy0::radio
[ 3128.712246] Registered led device: iwl-phy0::assoc
[ 3128.712329] Registered led device: iwl-phy0::RX
[ 3128.712349] Registered led device: iwl-phy0::TX
lo no wireless extensions.

eth0 no wireless extensions.

vboxnet0 no wireless extensions.

wlan0 IEEE 802.11abg ESSID:"kiwi_house2"
          Mode:Managed Frequency:2.462 GHz Access Point: 00:1F:1F:15:92:3B
          Bit Rate=54 Mb/s Tx-Power=15 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:on
          Link Quality=70/70 Signal level=-32 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:0 Invalid misc:0 Missed beacon:0

 * Reconfiguring network interfaces... [ OK ]
duncan@duncan-karmic:~$

Revision history for this message
Mark Rijckenberg (markrijckenberg) said : 		#5

Try installing the newest compat-wireless stack, as I already suggested.

Revision history for this message
Duncan Lithgow (duncan-lithgow) said : 		#6

I've already done that. It didn't _seem_ to make any difference. I've tested my network with another laptop to be sure, and the other machine has no trouble connecting. Likewise I can connect from WindowsXP without any trouble.

Can you help with this problem?

Provide an answer of your own, or ask Duncan Lithgow for more information if necessary.

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