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Thread: Unable to connect to Wi-Fi network after upgrade

  1. #1
    Join Date
    Feb 2012
    Beans
    18

    Unable to connect to Wi-Fi network after upgrade

    Hi,

    I recently did a clean install, after rebooting I can't connect to my Wi-Fi network. My network pops up no problem, but after entering my password Mint thinks for a minute or two, but it fails to connect every time. t this point I don't know how to diagnosis the issue without being able to connect to the network. Any help would be appreciated.

    Machine: ASUS U56E

    Some More info:

    Code:
    lsmod
    Module Size Used by
    nls_iso8859_1 12713 0 
    usb_storage 57204 0 
    parport_pc 28152 0 
    ppdev 17073 0 
    bnep 18036 2 
    rfcomm 42641 0 
    bluetooth 228619 10 bnep,rfcomm
    binfmt_misc 17500 1 
    uvcvideo 80847 0 
    i2400m_usb 36375 0 
    i2400m 107578 1 i2400m_usb
    videobuf2_vmalloc 13056 1 uvcvideo
    videobuf2_memops 13202 1 videobuf2_vmalloc
    videobuf2_core 40513 1 uvcvideo
    wimax 34760 1 i2400m
    videodev 129260 2 uvcvideo,videobuf2_core
    joydev 17377 0 
    snd_hda_codec_hdmi 36913 1 
    snd_hda_codec_realtek 78399 1 
    arc4 12615 2 
    snd_hda_intel 39619 3 
    snd_hda_codec 136453 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
    iwldvm 241834 0 
    snd_hwdep 13602 1 snd_hda_codec
    snd_pcm 97451 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
    snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
    coretemp 13355 0 
    mac80211 606457 1 iwldvm
    kvm_intel 132891 0 
    snd_seq_midi 13324 0 
    kvm 443165 1 kvm_intel
    snd_seq_midi_event 14899 1 snd_seq_midi
    ghash_clmulni_intel 13259 0 
    aesni_intel 55399 0 
    snd_rawmidi 30180 1 snd_seq_midi
    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_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
    snd 68876 16 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
    iwlwifi 173477 1 iwldvm
    asus_nb_wmi 12854 0 
    asus_wmi 24213 1 asus_nb_wmi
    sparse_keymap 13890 1 asus_wmi
    cfg80211 510937 3 iwlwifi,mac80211,iwldvm
    mac_hid 13205 0 
    mei 41158 0 
    soundcore 12680 1 snd
    psmouse 95870 0 
    lpc_ich 17061 0 
    microcode 22881 0 
    lp 17759 0 
    serio_raw 13215 0 
    parport 46345 3 lp,ppdev,parport_pc
    dm_multipath 22843 0 
    scsi_dh 14843 1 dm_multipath
    btrfs 785967 0 
    zlib_deflate 26885 1 btrfs
    libcrc32c 12615 1 btrfs
    dm_raid45 76725 0 
    xor 17116 1 dm_raid45
    dm_mirror 21946 0 
    dm_region_hash 20820 1 dm_mirror
    dm_log 18529 3 dm_region_hash,dm_mirror,dm_raid45
    hid_generic 12540 0 
    usbhid 47074 0 
    hid 101002 2 hid_generic,usbhid
    atl1c 41071 0 
    i915 600351 3 
    ahci 25731 2 
    libahci 31364 1 ahci
    wmi 19070 1 asus_wmi
    video 19390 2 i915,asus_wmi
    i2c_algo_bit 13413 1 i915
    drm_kms_helper 49394 1 i915
    drm 286313 4 i915,drm_kms_helper
    Code:
    lspci -vnn
    00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: bus master, fast devsel, latency 0
    Capabilities: <access denied>
    
    00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
    Subsystem: ASUSTeK Computer Inc. Device [1043:1582]
    Flags: bus master, fast devsel, latency 0, IRQ 50
    Memory at dd000000 (64-bit, non-prefetchable) [size=4M]
    Memory at c0000000 (64-bit, prefetchable) [size=256M]
    I/O ports at e000 [size=64]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: <access denied>
    Kernel driver in use: i915
    
    00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: bus master, fast devsel, latency 0, IRQ 51
    Memory at dfc0b000 (64-bit, non-prefetchable) [size=16]
    Capabilities: <access denied>
    Kernel driver in use: mei
    
    00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 05) (prog-if 20 [EHCI])
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: bus master, medium devsel, latency 0, IRQ 16
    Memory at dfc08000 (32-bit, non-prefetchable) [size=1K]
    Capabilities: <access denied>
    Kernel driver in use: ehci-pci
    
    00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 05)
    Subsystem: ASUSTeK Computer Inc. Device [1043:1bd3]
    Flags: bus master, fast devsel, latency 0, IRQ 53
    Memory at dfc00000 (64-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    
    00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b5) (prog-if 00 [Normal decode])
    Flags: bus master, fast devsel, latency 0
    Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
    I/O behind bridge: 0000d000-0000dfff
    Memory behind bridge: df200000-dfbfffff
    Prefetchable memory behind bridge: 00000000d2100000-00000000d2afffff
    Capabilities: <access denied>
    Kernel driver in use: pcieport
    
    00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b5) (prog-if 00 [Normal decode])
    Flags: bus master, fast devsel, latency 0
    Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
    I/O behind bridge: 0000c000-0000cfff
    Memory behind bridge: de800000-df1fffff
    Prefetchable memory behind bridge: 00000000d1600000-00000000d1ffffff
    Capabilities: <access denied>
    Kernel driver in use: pcieport
    
    00:1c.3 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 [8086:1c16] (rev b5) (prog-if 00 [Normal decode])
    Flags: bus master, fast devsel, latency 0
    Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
    I/O behind bridge: 0000b000-0000bfff
    Memory behind bridge: dde00000-de7fffff
    Prefetchable memory behind bridge: 00000000d0b00000-00000000d14fffff
    Capabilities: <access denied>
    Kernel driver in use: pcieport
    
    00:1c.5 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 [8086:1c1a] (rev b5) (prog-if 00 [Normal decode])
    Flags: bus master, fast devsel, latency 0
    Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
    I/O behind bridge: 0000a000-0000afff
    Memory behind bridge: dd400000-dddfffff
    Prefetchable memory behind bridge: 00000000d0000000-00000000d09fffff
    Capabilities: <access denied>
    Kernel driver in use: pcieport
    
    00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 05) (prog-if 20 [EHCI])
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: bus master, medium devsel, latency 0, IRQ 23
    Memory at dfc07000 (32-bit, non-prefetchable) [size=1K]
    Capabilities: <access denied>
    Kernel driver in use: ehci-pci
    
    00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 05)
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: bus master, medium devsel, latency 0
    Capabilities: <access denied>
    Kernel driver in use: lpc_ich
    
    00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 05) (prog-if 01 [AHCI 1.0])
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 49
    I/O ports at e0b0 [size=8]
    I/O ports at e0a0 [size=4]
    I/O ports at e090 [size=8]
    I/O ports at e080 [size=4]
    I/O ports at e060 [size=32]
    Memory at dfc06000 (32-bit, non-prefetchable) [size=2K]
    Capabilities: <access denied>
    Kernel driver in use: ahci
    
    00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 05)
    Subsystem: ASUSTeK Computer Inc. Device [1043:1157]
    Flags: medium devsel, IRQ 3
    Memory at dfc05000 (64-bit, non-prefetchable) [size=256]
    I/O ports at e040 [size=32]
    
    02:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N + WiMAX 6150 [8086:0885] (rev 67)
    Subsystem: Intel Corporation Centrino Wireless-N + WiMAX 6150 BGN [8086:1305]
    Flags: bus master, fast devsel, latency 0, IRQ 52
    Memory at de800000 (64-bit, non-prefetchable) [size=8K]
    Capabilities: <access denied>
    Kernel driver in use: iwlwifi
    
    03:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller [1b21:1042] (prog-if 30 [XHCI])
    Subsystem: ASUSTeK Computer Inc. Device [1043:1059]
    Flags: bus master, fast devsel, latency 0, IRQ 19
    Memory at dde00000 (64-bit, non-prefetchable) [size=32K]
    Capabilities: <access denied>
    Kernel driver in use: xhci_hcd
    
    04:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
    Subsystem: ASUSTeK Computer Inc. Device [1043:1851]
    Flags: bus master, fast devsel, latency 0, IRQ 54
    Memory at dd400000 (64-bit, non-prefetchable) [size=256K]
    I/O ports at a000 [size=128]
    Capabilities: <access denied>
    Kernel driver in use: atl1c
    Last edited by CharlesA; July 4th, 2013 at 10:20 PM. Reason: normalized text and added code tags.

  2. #2
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    15,121
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, please try:
    Code:
    echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    sudo modprobe -rfv iwlwifi
    sudo modprobe -v iwlwifi
    I am on my way out the door, be back later.
    Thanks

  3. #3
    Join Date
    Feb 2012
    Beans
    18

    Re: Unable to connect to Wi-Fi network after upgrade

    It gives me a fatal when I try the 1st modprobe:

    Code:
    stretch@stretch ~ $ echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    [sudo]password for stretch: 
    options iwlwifi 11n_disable=1
    stretch@stretch ~ $ sudo modprobe -rfv iwlwifi
    FATAL: Module iwlwifi is in use.
    stretch@stretch ~ $ sudo modprobe -v iwlwifi
    Thanks!

  4. #4
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    15,121
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, please try it like this:
    Code:
    sudo ifconfig wlan0 down
    echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    sudo modprobe -rfv iwlwifi
    sudo modprobe -v iwlwifi
    Thanks

  5. #5
    Join Date
    Feb 2012
    Beans
    18

    Re: Unable to connect to Wi-Fi network after upgrade

    Still getting the Fatal\

    Code:
    stretch@stretch ~ $ sudo ifconfig wlan0 down[sudo] password for stretch: 
    stretch@stretch ~ $ echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    options iwlwifi 11n_disable=1
    stretch@stretch ~ $ sudo modprobe -rfv iwlwifi
    FATAL: Module iwlwifi is in use.
    stretch@stretch ~ $ sudo modprobe -v iwlwifi

  6. #6
    Join Date
    Jul 2005
    Location
    England
    Beans
    Hidden!

    Re: Unable to connect to Wi-Fi network after upgrade

    Have you disabled wifi before attempting all this? I also wonder if it might be easier to simply use gedit or other text editor to create the /etc/modprobe.d/iwlwifi.conf and maybe also try something different to disabling the 11n wifi speed.

    I accept it is a different adapter card but nevertheless I have had to disable hardware encryption in my card to get it to work properly, with a similar, but in my case, /etc/modprobe.d/ath9k.conf file containing
    Code:
    options ath9k nohwcrypt=1
    then restarting networking.

    If it does not help you can easily remove the new file to get back to where you started from.
    DISTRO: Xubuntu 14.04-64bit --- Code-tags --- Boot-Repair --- Grub2 wiki & Grub2 Basics --- RootSudo

  7. #7
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    15,121
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, you must be using 13.04 in this version this was also added iwldvm that needs to be removed.
    Code:
    echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
    sudo modprobe -r iwldvm
    sudo modprobe -rfv iwlwifi
    sudo modprobe -v iwlwifi
    Your driver does not have the parameter mentioned in the previous post so doing that will not help you.
    Thanks

  8. #8
    Join Date
    Feb 2012
    Beans
    18

    Re: Unable to connect to Wi-Fi network after upgrade

    After that last set, it won't detect any wireless network.

    Sorry I forgot to state in the orginal post it is 13.04.02
    Last edited by Stretchkev1; July 2nd, 2013 at 01:34 AM.

  9. #9
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    15,121
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Pleasde try:
    Code:
    sudo modprobe -r iwldvm
    sudo modprobe -rfv iwlwifi
    sudo modprobe -v iwldvm
    sudo modprobe -v iwlwifi
    Thanks

  10. #10
    Join Date
    Feb 2012
    Beans
    18

    Re: Unable to connect to Wi-Fi network after upgrade

    There back but it keeps asking for authentication now and not connecting. Thanks for all the help Wild Man by the way.

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