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Thread: Connected to Wifi Network but Internet not working

  1. #1
    Join Date
    Feb 2014
    Beans
    8

    Connected to Wifi Network but Internet not working

    Hey guys total Linux newbie here. Decided to try out Linux after my hate of Windows 8/8.1 on my Acer Aspire M5-M83P.
    I tried to download 12.04 but my wireless card was not even recognized with it when I installed it
    over Windows 8.1. So in desperation I downloaded a 32 bit version of 13.10 and everything was
    working fine during installation but now I cant even access the internet. Thank you in advance.

  2. #2
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    5,290
    Distro
    Xubuntu 12.04 Precise Pangolin

    Re: Connected to Wifi Network but Internet not working

    Hi,

    please open a terminal with CTRL+ALT+T and show the outputs of these commands:
    Code:
    lspci -nnk | grep -iA2 net
    lsusb
    lsmod
    iwconfig
    rfkill list
    Does LAN work?

  3. #3
    Join Date
    Feb 2014
    Beans
    8

    Re: Connected to Wifi Network but Internet not working

    Here you go.
    I cannot test LAN or just a direct plug due to my house not letting me. Only LAN worked in 12.04 when I tried to at a friends house.
    Code:
    ataberk@ataberk-Aspire-M5-583P:~$ lspci -nnk | grep -iA2 net
    04:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 63)
        Subsystem: Intel Corporation Dual Band Wireless-N 7260 [8086:4060]
        Kernel driver in use: iwlwifi
    --
    05:00.1 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 14)
        Subsystem: Acer Incorporated [ALI] Device [1025:079b]
        Kernel driver in use: r8169
    
    ataberk@ataberk-Aspire-M5-583P:~$ lsusb
    Bus 001 Device 002: ID 8087:8000 Intel Corp. 
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 002 Device 018: ID 058f:6387 Alcor Micro Corp. Flash Drive
    Bus 002 Device 017: ID 04f3:0085 Elan Microelectronics Corp. 
    Bus 002 Device 003: ID 8087:07dc Intel Corp. 
    Bus 002 Device 002: ID 064e:e330 Suyin Corp. 
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    ataberk@ataberk-Aspire-M5-583P:~$ lsmod
    Module                  Size  Used by
    nls_iso8859_1          12617  1 
    usb_storage            48294  1 
    hid_multitouch         17191  0 
    usbhid                 47361  0 
    hid                    87370  2 hid_multitouch,usbhid
    vesafb                 13500  1 
    uvcvideo               71309  0 
    videobuf2_vmalloc      13048  1 uvcvideo
    videobuf2_memops       13170  1 videobuf2_vmalloc
    videobuf2_core         39125  1 uvcvideo
    videodev              107508  2 uvcvideo,videobuf2_core
    btusb                  23443  0 
    parport_pc             31981  0 
    ppdev                  17391  0 
    rfcomm                 53664  12 
    bnep                   18959  2 
    bluetooth             323656  22 bnep,btusb,rfcomm
    x86_pkg_temp_thermal    13810  0 
    joydev                 17097  0 
    coretemp               13195  0 
    kvm_intel             128218  0 
    arc4                   12536  2 
    kvm                   368949  1 kvm_intel
    crc32_pclmul           12967  0 
    aesni_intel            18156  1 
    aes_i586               16995  1 aesni_intel
    xts                    12749  1 aesni_intel
    lrw                    13057  1 aesni_intel
    gf128mul               14503  2 lrw,xts
    ablk_helper            13357  1 aesni_intel
    cryptd                 15578  1 ablk_helper
    iwlmvm                149128  0 
    mac80211              517444  1 iwlmvm
    acer_wmi               31735  0 
    sparse_keymap          13708  1 acer_wmi
    snd_hda_codec_realtek    45592  1 
    snd_hda_codec_hdmi     40373  1 
    snd_hda_intel          42658  5 
    snd_hda_codec         164003  3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
    snd_hwdep              13272  1 snd_hda_codec
    snd_pcm                89488  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
    snd_page_alloc         14230  2 snd_pcm,snd_hda_intel
    microcode              18830  0 
    snd_seq_midi           13132  0 
    snd_seq_midi_event     14475  1 snd_seq_midi
    snd_rawmidi            25094  1 snd_seq_midi
    psmouse                90642  0 
    snd_seq                55383  2 snd_seq_midi_event,snd_seq_midi
    serio_raw              13189  0 
    snd_seq_device         14137  3 snd_seq,snd_rawmidi,snd_seq_midi
    rtsx_pci_ms            17807  0 
    snd_timer              24447  2 snd_pcm,snd_seq
    iwlwifi               143736  1 iwlmvm
    memstick               16008  1 rtsx_pci_ms
    i915                  594380  2 
    lpc_ich                16864  0 
    cfg80211              401762  3 iwlwifi,mac80211,iwlmvm
    snd                    60790  21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
    drm_kms_helper         46867  1 i915
    mei_me                 13933  0 
    drm                   242400  2 i915,drm_kms_helper
    mei                    66411  1 mei_me
    video                  18777  2 i915,acer_wmi
    wmi                    18590  1 acer_wmi
    i2c_algo_bit           13197  1 i915
    intel_smartconnect     12610  0 
    soundcore              12600  1 snd
    mac_hid                13037  0 
    lp                     13299  0 
    parport                40795  3 lp,ppdev,parport_pc
    rtsx_pci_sdmmc         22898  0 
    r8169                  61562  0 
    ahci                   25579  2 
    mii                    13654  1 r8169
    rtsx_pci               43458  2 rtsx_pci_ms,rtsx_pci_sdmmc
    libahci                26554  1 ahci
    
    ataberk@ataberk-Aspire-M5-583P:~$ iwconfig
    wlan0     IEEE 802.11abgn  ESSID:"capulcu"  
              Mode:Managed  Frequency:2.437 GHz  Access Point: 00:81:D8:D5:C5:8C   
              Bit Rate=1 Mb/s   Tx-Power=0 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:on
              Link Quality=41/70  Signal level=-69 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:1   Missed beacon:0
    
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    ataberk@ataberk-Aspire-M5-583P:~$ rfkill list
    0: acer-wireless: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    1: acer-bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
    2: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    3: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

  4. #4
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    5,290
    Distro
    Xubuntu 12.04 Precise Pangolin

    Re: Connected to Wifi Network but Internet not working

    Deactivate the N-mode of the driver (bug) and the power management:
    Code:
    echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    sudo iwconfig wlan0 power off
    Reboot and check

    Code:
    dmesg | grep iwl
    Last edited by praseodym; February 3rd, 2014 at 07:19 PM.

  5. #5
    Join Date
    Feb 2014
    Beans
    8

    Re: Connected to Wifi Network but Internet not working

    Here is the code that it spurted out. Also update. Wifi works but not optimally when I turn networking on and off. Its a tad and slow and it took a while fo the first page to actually load but it seems ok ish now.

    Code:
    ataberk@ataberk-Aspire-M5-583P:~$ dmesg | grep iwl
    [   12.254117] iwlwifi 0000:04:00.0: can't disable ASPM; OS doesn't have ASPM control
    [   12.254173] iwlwifi 0000:04:00.0: irq 64 for MSI/MSI-X
    [   12.267485] Modules linked in: snd_hda_intel(+) snd_seq snd_hda_codec iwlwifi psmouse snd_hwdep rtsx_pci_ms serio_raw cfg80211 snd_pcm snd_seq_device memstick mei_me i915 lpc_ich snd_page_alloc mei snd_timer snd drm_kms_helper wmi drm video intel_smartconnect soundcore mac_hid i2c_algo_bit lp parport rtsx_pci_sdmmc ahci r8169 rtsx_pci libahci mii
    [   12.473132] iwlwifi 0000:04:00.0: loaded firmware version 22.0.7.0 op_mode iwlmvm
    [   12.500623] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless N 7260, REV=0x144
    [   12.500672] iwlwifi 0000:04:00.0: L1 Disabled; Enabling L0S
    [   12.500813] iwlwifi 0000:04:00.0: L1 Disabled; Enabling L0S
    [   12.697499] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
    [   15.385725] iwlwifi 0000:04:00.0: L1 Disabled; Enabling L0S
    [   15.385869] iwlwifi 0000:04:00.0: L1 Disabled; Enabling L0S
    [   21.831684] Modules linked in: vesafb uvcvideo hid_multitouch videobuf2_vmalloc videobuf2_memops usbhid videobuf2_core hid videodev parport_pc ppdev btusb bnep rfcomm bluetooth binfmt_misc x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd joydev arc4 iwlmvm mac80211 acer_wmi sparse_keymap snd_hda_codec_hdmi snd_seq_midi snd_hda_codec_realtek snd_seq_midi_event microcode snd_rawmidi snd_hda_intel snd_seq snd_hda_codec iwlwifi psmouse snd_hwdep rtsx_pci_ms serio_raw cfg80211 snd_pcm snd_seq_device memstick mei_me i915 lpc_ich snd_page_alloc mei snd_timer snd drm_kms_helper wmi drm video intel_smartconnect soundcore mac_hid i2c_algo_bit lp parport rtsx_pci_sdmmc ahci r8169 rtsx_pci libahci mii
    [   22.251408] Modules linked in: vesafb uvcvideo hid_multitouch videobuf2_vmalloc videobuf2_memops usbhid videobuf2_core hid videodev parport_pc ppdev btusb bnep rfcomm bluetooth binfmt_misc x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd joydev arc4 iwlmvm mac80211 acer_wmi sparse_keymap snd_hda_codec_hdmi snd_seq_midi snd_hda_codec_realtek snd_seq_midi_event microcode snd_rawmidi snd_hda_intel snd_seq snd_hda_codec iwlwifi psmouse snd_hwdep rtsx_pci_ms serio_raw cfg80211 snd_pcm snd_seq_device memstick mei_me i915 lpc_ich snd_page_alloc mei snd_timer snd drm_kms_helper wmi drm video intel_smartconnect soundcore mac_hid i2c_algo_bit lp parport rtsx_pci_sdmmc ahci r8169 rtsx_pci libahci mii
    [   28.392097] Modules linked in: vesafb uvcvideo hid_multitouch videobuf2_vmalloc videobuf2_memops usbhid videobuf2_core hid videodev parport_pc ppdev btusb bnep rfcomm bluetooth binfmt_misc x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd joydev arc4 iwlmvm mac80211 acer_wmi sparse_keymap snd_hda_codec_hdmi snd_seq_midi snd_hda_codec_realtek snd_seq_midi_event microcode snd_rawmidi snd_hda_intel snd_seq snd_hda_codec iwlwifi psmouse snd_hwdep rtsx_pci_ms serio_raw cfg80211 snd_pcm snd_seq_device memstick mei_me i915 lpc_ich snd_page_alloc mei snd_timer snd drm_kms_helper wmi drm video intel_smartconnect soundcore mac_hid i2c_algo_bit lp parport rtsx_pci_sdmmc ahci r8169 rtsx_pci libahci mii
    [   30.011094] Modules linked in: vesafb uvcvideo hid_multitouch videobuf2_vmalloc videobuf2_memops usbhid videobuf2_core hid videodev parport_pc ppdev btusb bnep rfcomm bluetooth binfmt_misc x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd joydev arc4 iwlmvm mac80211 acer_wmi sparse_keymap snd_hda_codec_hdmi snd_seq_midi snd_hda_codec_realtek snd_seq_midi_event microcode snd_rawmidi snd_hda_intel snd_seq snd_hda_codec iwlwifi psmouse snd_hwdep rtsx_pci_ms serio_raw cfg80211 snd_pcm snd_seq_device memstick mei_me i915 lpc_ich snd_page_alloc mei snd_timer snd drm_kms_helper wmi drm video intel_smartconnect soundcore mac_hid i2c_algo_bit lp parport rtsx_pci_sdmmc ahci r8169 rtsx_pci libahci mii
    [   36.179703] Modules linked in: vesafb uvcvideo hid_multitouch videobuf2_vmalloc videobuf2_memops usbhid videobuf2_core hid videodev parport_pc ppdev btusb bnep rfcomm bluetooth binfmt_misc x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd joydev arc4 iwlmvm mac80211 acer_wmi sparse_keymap snd_hda_codec_hdmi snd_seq_midi snd_hda_codec_realtek snd_seq_midi_event microcode snd_rawmidi snd_hda_intel snd_seq snd_hda_codec iwlwifi psmouse snd_hwdep rtsx_pci_ms serio_raw cfg80211 snd_pcm snd_seq_device memstick mei_me i915 lpc_ich snd_page_alloc mei snd_timer snd drm_kms_helper wmi drm video intel_smartconnect soundcore mac_hid i2c_algo_bit lp parport rtsx_pci_sdmmc ahci r8169 rtsx_pci libahci mii
    ataberk@ataberk-Aspire-M5-583P:~$

  6. #6
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,351
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Connected to Wifi Network but Internet not working

    Does the "Power Management" stay off? Keep an eye on the output of -
    Code:
    iwconfig
    If it seems to be fluctuating (on and off at different times), try creating a blank file in /etc/pm/power.d directory to disable the default wireless power management script -
    Code:
    sudo touch /etc/pm/power.d/wireless
    You may have to log off/log on (or reboot) for the change to take effect.

    I think we would also like to see your current driver parameter that are in effect. Please post the output of -
    Code:
    grep -R [[:alnum:]] /sys/module/iwlwifi/parameters
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
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  7. #7
    Join Date
    Feb 2014
    Beans
    8

    Re: Connected to Wifi Network but Internet not working

    Code:
    /sys/module/iwlwifi/parameters/nvm_file:(null)
    /sys/module/iwlwifi/parameters/swcrypto:0
    /sys/module/iwlwifi/parameters/power_save:N
    /sys/module/iwlwifi/parameters/led_mode:0
    /sys/module/iwlwifi/parameters/amsdu_size_8K:0
    /sys/module/iwlwifi/parameters/fw_restart:Y
    /sys/module/iwlwifi/parameters/bt_coex_active:Y
    /sys/module/iwlwifi/parameters/11n_disable:0
    /sys/module/iwlwifi/parameters/antenna_coupling:0
    /sys/module/iwlwifi/parameters/wd_disable:1
    /sys/module/iwlwifi/parameters/power_level:0
    Here it is. I am posting this from the laptop it worked fine when I turned it on with no problems. Going to reboot now due to the other line of code.

  8. #8
    Join Date
    Feb 2014
    Beans
    8

    Re: Connected to Wifi Network but Internet not working

    Code:
    ataberk@ataberk-Aspire-M5-583P:~$ grep -R [[:alnum:]] /sys/module/iwlwifi/parameters
    /sys/module/iwlwifi/parameters/nvm_file:(null)
    /sys/module/iwlwifi/parameters/swcrypto:0
    /sys/module/iwlwifi/parameters/power_save:N
    /sys/module/iwlwifi/parameters/led_mode:0
    /sys/module/iwlwifi/parameters/amsdu_size_8K:0
    /sys/module/iwlwifi/parameters/fw_restart:Y
    /sys/module/iwlwifi/parameters/bt_coex_active:Y
    /sys/module/iwlwifi/parameters/11n_disable:0
    /sys/module/iwlwifi/parameters/antenna_coupling:0
    /sys/module/iwlwifi/parameters/wd_disable:1
    /sys/module/iwlwifi/parameters/power_level:0
    Here it is after a reboot. Still had to wait a little bit for the page the load though. Also the Software center worked fine when webpages would not load.

  9. #9
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,351
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Connected to Wifi Network but Internet not working

    Quote Originally Posted by ataberkbunyat View Post
    Code:
    /sys/module/iwlwifi/parameters/11n_disable:0
    Quote Originally Posted by ataberkbunyat View Post
    Code:
    /sys/module/iwlwifi/parameters/11n_disable:0
    Clearly, the code (echo "options iwlwifi....") proposed by praseodym is not in effect. Did you run them correctly?
    If yes, there might have been a typo. Please show us the output of -
    Code:
    cat /etc/modprobe.d/iwlwifi.conf
    And the blank file to disable the default power management was a trick that should be ONLY used if the normal method (the one praseodym suggested) fails to keep it off.

    So.. was the Power Management fluctuating between on/off by itself? Or turning On again by itself? If not, that "blank file" trick was unnecessary and may even worsen the performance in some cases.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags

  10. #10
    Join Date
    Feb 2014
    Beans
    8

    Re: Connected to Wifi Network but Internet not working

    Pretty sure the blank file screwed up everything. The echo options iwlwifi was typed correctly as well. How can I delete the blank file? Thanks in advance.

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