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Thread: Internet problems

  1. #1
    Join Date
    Oct 2012
    Beans
    27

    Internet problems

    I'm running Xubuntu 13.04, (fresh install) but the problem started with 12.10 about 3 weeks ago. It says I'm connected, but web pages load very slowly, if at all. Firefox and Chrome both act the same way. Funny thing is, I've been using this laptop for 2 years without any issues in linux. Has always ran perfectly. It's a Dell Latitude E5520 with all Intel chipsets. I know Intel is very linux friendly and should work well.

    Btw, I dual boot with windows and when I went into windows to check if there was any problems there, internet worked perfectly and fast. Are there any .config files I can delete and regenerate? Seems strange that all of a sudden internet is so spotty.

  2. #2
    Join Date
    Oct 2012
    Beans
    27

    Re: Internet problems

    I just tried a live USB with Lubuntu 13.04 on it, and the problem still persists. Sometimes it is quick, other times it is very slow or can't load the page at all. Here is the output of lspci:
    Code:
    00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
    00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
    00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
    00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
    00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
    00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
    00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
    00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4)
    00:1c.6 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7 (rev b4)
    00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
    00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 04)
    00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)
    00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
    02:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
    09:00.0 FireWire (IEEE 1394): O2 Micro, Inc. 1394 OHCI Compliant Host Controller (rev 05)
    09:00.1 SD Host controller: O2 Micro, Inc. Integrated MMC/SD controller (rev 05)
    09:00.2 Mass storage controller: O2 Micro, Inc. O2 Flash Memory Card (rev 05)
    0a:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe (rev 10)

  3. #3
    Join Date
    Oct 2012
    Beans
    27

    Re: Internet problems

    It seems that other people have had this problem too, using -

    Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)

    I'm searching for an answer, but still no luck.

  4. #4
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,892
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Internet problems

    Quote Originally Posted by Sam Mills View Post
    It seems that other people have had this problem too..
    Any links you might have found and followed instructions from?

    Please follow the "Wireless Script" link in my signature and post back the diagnostics report using any of the methods in the linked post.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags

  5. #5
    Join Date
    Oct 2012
    Beans
    27

    Re: Internet problems

    Here it is

    Code:
    **** uname -a ****
    
    
    Linux fake-name 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
    
    
    **** lsb-release ****
    
    
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=13.04
    DISTRIB_CODENAME=raring
    DISTRIB_DESCRIPTION="Ubuntu 13.04"
    
    
    **** lspci ****
    
    
    02:00.0 Network controller [0280]: Intel Corporation Centrino Ultimate-N 6300 [8086:422b] (rev 35)
        Subsystem: Intel Corporation Centrino Ultimate-N 6300 3x3 AGN [8086:1121]
        Kernel driver in use: iwlwifi
    --
    0a:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe [14e4:1681] (rev 10)
        Subsystem: Dell Device [1028:049a]
        Kernel driver in use: tg3
    
    
    **** lsusb ****
    
    
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 003: ID 08ff:2810 AuthenTec, Inc. AES2810
    Bus 002 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
    Bus 002 Device 004: ID 04d9:1603 Holtek Semiconductor, Inc. Keyboard
    Bus 002 Device 005: ID 046d:c52f Logitech, Inc. Wireless Mouse M305
    
    
    **** iwconfig ****
    
    
    wlan0     IEEE 802.11abgn  ESSID:"HOME-2FF2"  
              Mode:Managed  Frequency:2.412 GHz  Access Point: <MAC address removed>   
              Bit Rate=130 Mb/s   Tx-Power=15 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:off
              Link Quality=65/70  Signal level=-45 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:462  Invalid misc:0   Missed beacon:0
    
    
    
    **** rfkill ****
    
    
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    
    
    **** lsmod ****
    
    
    Module                  Size  Used by
    pci_stub               12622  1 
    vboxpci                23194  0 
    vboxnetadp             25670  0 
    vboxnetflt             23479  0 
    vboxdrv               320372  3 vboxnetadp,vboxnetflt,vboxpci
    rfcomm                 42641  0 
    bnep                   18036  2 
    bluetooth             228619  10 bnep,rfcomm
    snd_hda_codec_hdmi     36913  1 
    snd_hda_codec_idt      70256  1 
    joydev                 17377  0 
    arc4                   12615  2 
    iwldvm                241834  0 
    mac80211              606457  1 iwldvm
    coretemp               13355  0 
    kvm_intel             132891  0 
    kvm                   443165  1 kvm_intel
    snd_hda_intel          39619  3 
    snd_hda_codec         136453  3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
    ghash_clmulni_intel    13259  0 
    snd_hwdep              13602  1 snd_hda_codec
    aesni_intel            55399  1 
    aes_x86_64             17255  1 aesni_intel
    xts                    12885  1 aesni_intel
    lrw                    13257  1 aesni_intel
    gf128mul               14951  2 lrw,xts
    ablk_helper            13597  1 aesni_intel
    cryptd                 20373  3 ghash_clmulni_intel,aesni_intel,ablk_helper
    snd_pcm                97451  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
    dell_wmi               12681  0 
    sparse_keymap          13890  1 dell_wmi
    snd_page_alloc         18710  2 snd_pcm,snd_hda_intel
    ppdev                  17073  0 
    snd_seq_midi           13324  0 
    parport_pc             28152  0 
    snd_seq_midi_event     14899  1 snd_seq_midi
    snd_rawmidi            30180  1 snd_seq_midi
    wmi                    19070  1 dell_wmi
    mac_hid                13205  0 
    i915                  600351  2 
    snd_seq                61554  2 snd_seq_midi_event,snd_seq_midi
    snd_seq_device         14497  3 snd_seq,snd_rawmidi,snd_seq_midi
    snd_timer              29425  2 snd_pcm,snd_seq
    video                  19390  1 i915
    drm_kms_helper         49394  1 i915
    snd                    68876  16 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device
    iwlwifi               173477  1 iwldvm
    drm                   286313  3 i915,drm_kms_helper
    dell_laptop            17369  0 
    cfg80211              510937  3 iwlwifi,mac80211,iwldvm
    dcdbas                 14397  1 dell_laptop
    mei                    41158  0 
    lpc_ich                17061  0 
    i2c_algo_bit           13413  1 i915
    soundcore              12680  1 snd
    lp                     17759  0 
    psmouse                95870  0 
    parport                46345  3 lp,ppdev,parport_pc
    serio_raw              13215  0 
    microcode              22881  0 
    hid_generic            12540  0 
    usbhid                 47074  0 
    hid                   101002  2 hid_generic,usbhid
    firewire_ohci          40103  0 
    tg3                   153796  0 
    sdhci_pci              18590  0 
    firewire_core          64508  1 firewire_ohci
    sdhci                  32522  1 sdhci_pci
    ahci                   25731  3 
    libahci                31364  1 ahci
    ptp                    18621  1 tg3
    crc_itu_t              12707  1 firewire_core
    pps_core               14080  1 ptp
    
    
    **** nm-tool ****
    
    
    
    NetworkManager Tool
    
    State: connected (global)
    
    - Device: eth0 -----------------------------------------------------------------
      Type:              Wired
      Driver:            tg3
      State:             unavailable
      Default:           no
      HW Address:        <MAC address removed>
    
      Capabilities:
        Carrier Detect:  yes
    
      Wired Properties
        Carrier:         off
    
    
    - Device: wlan0  [HOME-2FF2] ---------------------------------------------------
      Type:              802.11 WiFi
      Driver:            iwlwifi
      State:             connected
      Default:           yes
      HW Address:        <MAC address removed>
    
      Capabilities:
        Speed:           130 Mb/s
    
      Wireless Properties
        WEP Encryption:  yes
        WPA Encryption:  yes
        WPA2 Encryption: yes
    
      Wireless Access Points (* = current AP)
        DIRECT-BQ[BD]E5900: Infra, <MAC address removed>, Freq 2412 MHz, Rate 54 Mb/s, Strength 89 WPA2
        HOME-8742:       Infra, <MAC address removed>, Freq 2412 MHz, Rate 54 Mb/s, Strength 79 WPA WPA2
        *HOME-2FF2:      Infra, <MAC address removed>, Freq 2412 MHz, Rate 54 Mb/s, Strength 76 WPA WPA2
        cucinottanetwork:Infra, <MAC address removed>, Freq 2462 MHz, Rate 54 Mb/s, Strength 30 WPA WPA2
        Cisco13762:      Infra, <MAC address removed>, Freq 2437 MHz, Rate 54 Mb/s, Strength 22
        WIN_e72d:        Infra, <MAC address removed>, Freq 2412 MHz, Rate 54 Mb/s, Strength 22 WPA WPA2
        HOME-D662:       Infra, <MAC address removed>, Freq 2462 MHz, Rate 54 Mb/s, Strength 22 WPA2
        get away from me:Infra, <MAC address removed>, Freq 2442 MHz, Rate 54 Mb/s, Strength 20 WPA
    
      IPv4 Settings:
        Address:         10.0.0.4
        Prefix:          24 (255.255.255.0)
        Gateway:         10.0.0.1
    
        DNS:             75.75.75.75
        DNS:             75.75.76.76
    
    
    
    
    **** NetworkManager.state ****
    
    
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true
    
    
    **** NetworkManager.conf ****
    
    
    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq
    
    [ifupdown]
    managed=false
    
    
    **** NetworkManager.conf-10.04 ****
    
    
    
    
    **** interfaces ****
    
    
    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback
    
    
    **** iwlist ****
    
    
    wlan0     Scan completed :
              Cell 01 - Address: <MAC address removed>
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=65/70  Signal level=-45 dBm  
                        Encryption key:on
                        ESSID:"HOME-2FF2"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=000000ecc10a113f
                        Extra: Last beacon: 100ms ago
                        IE: Unknown: 0009484F4D452D32464632
                        IE: Unknown: 010882848B961224486C
                        IE: Unknown: 030101
                        IE: Unknown: 2A0106
                        IE: Unknown: 32040C183060
                        IE: Unknown: 2D1A0C0016FFFF0000000000000000000000000000000C0000000000
                        IE: Unknown: 3D1601000500000000000000000000000000000000000000
                        IE: Unknown: 3E0100
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                        IE: Unknown: 0B0501002A127A
                        IE: Unknown: 7F0101
                        IE: Unknown: DD07000C4307000000
                        IE: Unknown: 0706555320010B10
                        IE: Unknown: DD7D0050F204104A0001101044000102103B000103104700102880288028801880A880001DD4FB2FF010210005415252495310230006544738363247102400065254323836301042000831323334353637381054000800060050F204000110110012415252495320544738363220526F75746572100800020084103C000101
              Cell 02 - Address: <MAC address removed>
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=60/70  Signal level=-50 dBm  
                        Encryption key:on
                        ESSID:"DIRECT-BQ[BD]E5900"
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                                  36 Mb/s; 48 Mb/s; 54 Mb/s
                        Mode:Master
                        Extra:tsf=000000cd66bdc102
                        Extra: Last beacon: 4856ms ago
                        IE: Unknown: 00124449524543542D42515B42445D4535393030
                        IE: Unknown: 01088C1218243048606C
                        IE: Unknown: 030101
                        IE: Unknown: 2A0100
                        IE: Unknown: 2F0100
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: 2D1A2C1019FF00000000000000000000000000000000000000000000
                        IE: Unknown: 3D1601080000000000000000000000000000000000000000
                        IE: Unknown: DD09001018020100440000
                        IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                        IE: Unknown: DD050050F20500
                        IE: Unknown: DD750050F204104A0001101044000102103B000103104700102221020304050607080932144A4A65891021000842726F6164636F6D10230006536F66744150102400013010420001301054000800060050F2040001101100095B42445D4535393030100800020188103C0001011049000600372A000120
              Cell 03 - Address: <MAC address removed>
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=58/70  Signal level=-52 dBm  
                        Encryption key:on
                        ESSID:"HOME-8742"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=000000ecd23101d7
                        Extra: Last beacon: 4832ms ago
                        IE: Unknown: 0009484F4D452D38373432
                        IE: Unknown: 010882848B961224486C
                        IE: Unknown: 030101
                        IE: Unknown: 2A0106
                        IE: Unknown: 32040C183060
                        IE: Unknown: 2D1A0C0016FFFF0000000000000000000000000000000C0000000000
                        IE: Unknown: 3D1601000500000000000000000000000000000000000000
                        IE: Unknown: 3E0100
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                        IE: Unknown: 0B0501002E127A
                        IE: Unknown: 7F0101
                        IE: Unknown: DD07000C4307000000
                        IE: Unknown: 0706555320010B10
                        IE: Unknown: DD7D0050F204104A0001101044000102103B000103104700102880288028801880A880001DD649874010210005415252495310230006544738363247102400065254323836301042000831323334353637381054000800060050F204000110110012415252495320544738363220526F75746572100800020084103C000101
              Cell 04 - Address: <MAC address removed>
                        Channel:11
                        Frequency:2.462 GHz (Channel 11)
                        Quality=23/70  Signal level=-87 dBm  
                        Encryption key:on
                        ESSID:"HOME-AFB2"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=00000066cb5f1a8b
                        Extra: Last beacon: 4284ms ago
                        IE: Unknown: 0009484F4D452D41464232
                        IE: Unknown: 010882848B961224486C
                        IE: Unknown: 03010B
                        IE: Unknown: 2A0104
                        IE: Unknown: 32040C183060
                        IE: Unknown: 2D1A0C0016FFFF0000000000000000000000000000000C0000000000
                        IE: Unknown: 3D160B000400000000000000000000000000000000000000
                        IE: Unknown: 3E0100
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                        IE: Unknown: 0B05020076127A
                        IE: Unknown: 7F0101
                        IE: Unknown: DD07000C4307000000
                        IE: Unknown: 0706555320010B10
                        IE: Unknown: DD7D0050F204104A0001101044000102103B000103104700102880288028801880A880001DD64BAFB010210005415252495310230006544738363247102400065254323836301042000831323334353637381054000800060050F204000110110012415252495320544738363220526F75746572100800020084103C000101
              Cell 05 - Address: <MAC address removed>
                        Channel:11
                        Frequency:2.462 GHz (Channel 11)
                        Quality=28/70  Signal level=-82 dBm  
                        Encryption key:on
                        ESSID:"cucinottanetwork"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=0000012c26dae1e6
                        Extra: Last beacon: 4288ms ago
                        IE: Unknown: 0010637563696E6F7474616E6574776F726B
                        IE: Unknown: 010882848B961224486C
                        IE: Unknown: 03010B
                        IE: Unknown: 32040C183060
                        IE: Unknown: 070C5553200101110209140B0111
                        IE: Unknown: 33082001020304050607
                        IE: Unknown: 33082105060708090A0B
                        IE: Unknown: DD270050F204104A0001101044000102104700102880288028801880A880001DCF3FCD10103C000101
                        IE: Unknown: 050400010000
                        IE: Unknown: 2A0104
                        IE: Unknown: 2D1A6C0017FFFFFF00000000000000000000000000000F0000000000
                        IE: Unknown: 3D160B000500000000000000000000000000000000000000
                        IE: Unknown: 7F0101
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD180050F2020101034003A4000027A4000042435E0062322F00
                        IE: Unknown: 0B0503004A127A
                        IE: Unknown: DD07000C4307000000
    
    
    
    **** resolv ****
    
    
    # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
    #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
    nameserver 127.0.1.1
    search hsd1.ga.comcast.net
    
    
    **** blacklist.conf ****
    
    
    # This file lists those modules which we don't want to be loaded by
    # alias expansion, usually so some other driver will be loaded for the
    # device instead.
    
    # evbug is a debug tool that should be loaded explicitly
    blacklist evbug
    
    # these drivers are very simple, the HID drivers are usually preferred
    blacklist usbmouse
    blacklist usbkbd
    
    # replaced by e100
    blacklist eepro100
    
    # replaced by tulip
    blacklist de4x5
    
    # causes no end of confusion by creating unexpected network interfaces
    blacklist eth1394
    
    # snd_intel8x0m can interfere with snd_intel8x0, doesn't seem to support much
    # hardware on its own (Ubuntu bug #2011, #6810)
    blacklist snd_intel8x0m
    
    # Conflicts with dvb driver (which is better for handling this device)
    blacklist snd_aw2
    
    # causes failure to suspend on HP compaq nc6000 (Ubuntu: #10306)
    blacklist i2c_i801
    
    # replaced by p54pci
    blacklist prism54
    
    # replaced by b43 and ssb.
    blacklist bcm43xx
    
    # most apps now use garmin usb driver directly (Ubuntu: #114565)
    blacklist garmin_gps
    
    # replaced by asus-laptop (Ubuntu: #184721)
    blacklist asus_acpi
    
    # low-quality, just noise when being used for sound playback, causes
    # hangs at desktop session start (Ubuntu: #246969)
    blacklist snd_pcsp
    
    # ugly and loud noise, getting on everyone's nerves; this should be done by a
    # nice pulseaudio bing (Ubuntu: #77010)
    blacklist pcspkr
    
    # EDAC driver for amd76x clashes with the agp driver preventing the aperture
    # from being initialised (Ubuntu: #297750). Blacklist so that the driver
    # continues to build and is installable for the few cases where its
    # really needed.
    blacklist amd76x_edac
    
    
    **** dmesg ****
    
    
    [    0.524003] MODSIGN: Loaded cert 'Magrathea: Glacier signing key: d490763cc418e29de79f40a5aa7d97747ec8882c'
    [    0.578227] tg3.c:v3.128 (December 03, 2012)
    [    0.612646] tg3 0000:0a:00.0 eth0: Tigon3 [partno(BCM95761) rev 5761100] (PCI Express) MAC address <MAC address removed>
    [    0.612650] tg3 0000:0a:00.0 eth0: attached PHY is 5761 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0])
    [    0.612652] tg3 0000:0a:00.0 eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
    [    0.612654] tg3 0000:0a:00.0 eth0: dma_rwctrl[76180000] dma_mask[64-bit]
    [   13.374253] iwlwifi 0000:02:00.0: irq 44 for MSI/MSI-X
    [   13.396322] wmi: Mapper loaded
    [   13.562667] iwlwifi 0000:02:00.0: loaded firmware version 9.221.4.1 build 25532
    [   13.578552] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEBUG disabled
    [   13.578556] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
    [   13.578558] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
    [   13.578559] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE enabled
    [   13.578561] iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_P2P disabled
    [   13.578563] iwlwifi 0000:02:00.0: Detected Intel(R) Centrino(R) Ultimate-N 6300 AGN, REV=0x74
    [   13.578620] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S
    [   13.608483] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
    [   21.689135] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S
    [   21.696002] iwlwifi 0000:02:00.0: Radio type=0x0-0x3-0x1
    [   22.059230] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S
    [   22.066034] iwlwifi 0000:02:00.0: Radio type=0x0-0x3-0x1
    [   22.318583] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   22.319053] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   22.321885] tg3 0000:0a:00.0: irq 47 for MSI/MSI-X
    [   28.958915] wlan0: authenticate with <MAC address removed>
    [   28.989897] wlan0: send auth to <MAC address removed> (try 1/3)
    [   28.992977] wlan0: authenticated
    [   28.994764] wlan0: associate with <MAC address removed> (try 1/3)
    [   29.003812] wlan0: RX AssocResp from <MAC address removed> (capab=0xc11 status=0 aid=1)
    [   29.008196] wlan0: associated
    [   29.008233] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    
    
    **************** done ********************

  6. #6
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,892
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Internet problems

    Quote Originally Posted by Sam Mills View Post
    Code:
    wlan0     IEEE 802.11abgn  ESSID:"HOME-2FF2"  
              Mode:Managed  Frequency:2.412 GHz  Access Point: <MAC address removed>   
              Bit Rate=130 Mb/s   Tx-Power=15 dBm
    ...
    ...
                        ESSID:"HOME-2FF2"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
    It seems your access point supports a maximum speed of 54Mbps ^^, so you don't need N-channel that your adapter supports (provides higher speeds, but is still buggy on Linux).

    Accordingly, please try disabling N-Channel -
    Code:
    sudo modprobe -rfv iwlwifi
    sudo modprobe -v iwlwifi 11n_disable=1
    It is a temporary change and will be lost at reboot. If it seems to help, we can make it permanent with -
    Code:
    echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags

  7. #7
    Join Date
    Oct 2005
    Location
    Al Ain
    Beans
    7,918

    Re: Internet problems

    Also test your DNS using dig. If slow, compare resolv.conf with Windows network settings.

  8. #8
    Join Date
    Oct 2012
    Beans
    27

    Re: Internet problems

    Thanks varunendra, but after doing

    Code:
     sudo modprobe -rfv iwlwifi
    I get

    Code:
    FATAL: Module iwlwifi is in use.

  9. #9
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,892
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Internet problems

    Quote Originally Posted by Sam Mills View Post
    Thanks varunendra, but after doing

    Code:
     sudo modprobe -rfv iwlwifi
    I get

    Code:
    FATAL: Module iwlwifi is in use.
    Then forget the modprobe commands and go ahead directly with the third command that makes it a permanent setting. Reboot and see if it helps. If not, we can either leave the configuration file as a measure to reduce an extra point of doubt, or delete it if you wish, to restore the original setting.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags

  10. #10
    Join Date
    Oct 2012
    Beans
    27

    Re: Internet problems

    It seems to be OK now. Not lightning fast, but decent. Thanks for your help and we'll see if this holds up.

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