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Thread: Ubuntu 12.04 Slow Wireless

  1. #1
    Join Date
    Aug 2007
    Location
    Belding, MI, USA
    Beans
    42
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Exclamation Ubuntu 12.04 Slow Wireless

    I've been having some issues with my wireless network adapter. I've noticed that my download speeds are incredibly slow compared to what I'm used to seeing in Windows.

    I've done some Google searches to try to determine and fix the problem, but nothing has worked thus far. I've ignored IPv6 with no change, and my adapter is currently using the RTL8192CU driver. I've had this issue in previous versions of Ubuntu as well.

    Help?

  2. #2
    Join Date
    Jan 2011
    Location
    New York
    Beans
    155
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04 Slow Wireless

    If you're downloading via Ubuntu Software Center, apt, synaptic, etc. it is probably due to the fact that today is new release date, so everyone is downloading software, doing updates, etc. The servers are probably overloaded...
    http://www.linuxdistrocommunity.com
    http://www.matthewjpage.com
    Intel i7 3.40 Ghz, 8 GB RAM, 1.5 TB HDD, AMD/ATI Radeon HD 6770
    Quad Boot : Windows 7, Ubuntu 12.04,Gentoo, and Arch Linux

  3. #3
    Join Date
    Aug 2007
    Location
    Belding, MI, USA
    Beans
    42
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Ubuntu 12.04 Slow Wireless

    This issue has been going on for the past few days, not just today.

  4. #4
    Join Date
    Oct 2007
    Location
    Chicago, IL
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: Ubuntu 12.04 Slow Wireless

    For the past few weeks I have had horribly slow speeds connecting to the software center as well. My connection is fine to my router, I think the servers have been bogged down for weeks now and especially today.

    I also saw somewhere else they suggested making sure that the main source of packages is in the closest location to you it may have chosen the west coast or something when you will benefit from the east coast being in MI.

  5. #5
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,691
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04 Slow Wireless

    Hi, most people have not gotten that driver to work at all I believe, please post the output of:
    Code:
    cat /etc/lsb-release; uname -a
    lspci -nnk | grep -iA2 net
    lsusb
    iwconfig
    rfkill list all
    lsmod
    nm-tool
    here by clicking on new reply and click # and paste the information between the brackets.
    Thank you

  6. #6
    Join Date
    Aug 2007
    Location
    Belding, MI, USA
    Beans
    42
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Ubuntu 12.04 Slow Wireless

    cat /etc/lsb-release; uname -a
    Code:
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.04
    DISTRIB_CODENAME=precise
    DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
    Linux ubuntu 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
    lspci -nnk | grep -iA2 net
    Code:
    02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
    	Subsystem: Giga-byte Technology GA-EP45-DS5 Motherboard [1458:e000]
    	Kernel driver in use: r8169
    lsusb
    Code:
    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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    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
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 001 Device 003: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN
    Bus 002 Device 002: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)
    Bus 004 Device 002: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub
    Bus 003 Device 002: ID 03f0:3b11 Hewlett-Packard PSC 1300 series
    Bus 004 Device 003: ID 046d:c315 Logitech, Inc. Classic New Touch Keyboard
    Bus 004 Device 004: ID 0e6f:0301 Logic3 
    Bus 004 Device 005: ID 0461:4d0f Primax Electronics, Ltd
    iwconfig
    Code:
    lo        no wireless extensions.
    
    wlan0     IEEE 802.11bgn  ESSID:"(Removed from view)"  
              Mode:Managed  Frequency:2.437 GHz  Access Point: 00:12:17:3F:2B:04   
              Bit Rate=54 Mb/s   Tx-Power=20 dBm   
              Retry  long limit:7   RTS thr=2347 B   Fragment thr:off
              Power Management:off
              Link Quality=64/70  Signal level=-46 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:10208   Missed beacon:0
    
    eth0      no wireless extensions.
    rfkill list all
    Code:
    0: phy0: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no
    lsmod
    Code:
    Module                  Size  Used by
    bnep                   18281  2 
    rfcomm                 47604  0 
    bluetooth             180104  10 bnep,rfcomm
    vesafb                 13844  1 
    nvidia              12319264  30 
    usblp                  18307  0 
    arc4                   12529  2 
    snd_hda_codec_realtek   223867  1 
    rtl8192cu             103297  0 
    snd_hda_intel          33773  3 
    rtl8192c_common        75767  1 rtl8192cu
    snd_hda_codec         127706  2 snd_hda_codec_realtek,snd_hda_intel
    rtlwifi               111202  1 rtl8192cu
    snd_hwdep              13668  1 snd_hda_codec
    snd_pcm                97188  2 snd_hda_intel,snd_hda_codec
    mac80211              506816  3 rtl8192cu,rtl8192c_common,rtlwifi
    snd_seq_midi           13324  0 
    snd_rawmidi            30748  1 snd_seq_midi
    snd_seq_midi_event     14899  1 snd_seq_midi
    snd_seq                61896  2 snd_seq_midi,snd_seq_midi_event
    snd_timer              29990  2 snd_pcm,snd_seq
    cfg80211              205544  2 rtlwifi,mac80211
    snd_seq_device         14540  3 snd_seq_midi,snd_rawmidi,snd_seq
    joydev                 17693  0 
    usbhid                 47199  0 
    xpad                   18179  0 
    snd                    78855  15 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
    hid                    99559  1 usbhid
    ff_memless             13097  1 xpad
    sp5100_tco             13791  0 
    soundcore              15091  1 snd
    snd_page_alloc         18529  2 snd_hda_intel,snd_pcm
    serio_raw              13211  0 
    i2c_piix4              13301  0 
    edac_core              53746  0 
    edac_mce_amd           23709  0 
    mac_hid                13253  0 
    k10temp                13166  0 
    ppdev                  17113  0 
    wmi                    19256  0 
    parport_pc             32866  1 
    lp                     17799  0 
    parport                46562  3 ppdev,parport_pc,lp
    usb_storage            49198  0 
    firewire_ohci          41000  0 
    firewire_core          63558  1 firewire_ohci
    crc_itu_t              12707  1 firewire_core
    pata_atiixp            13204  0 
    r8169                  62099  0
    nm-tool
    Code:
    NetworkManager Tool
    
    State: connected (global)
    
    - Device: wlan0  [(Removed from view)] -----------------------------------------------------
      Type:              802.11 WiFi
      Driver:            rtl8192cu
      State:             connected
      Default:           yes
      HW Address:        00:23:13:00:6F:C4
    
      Capabilities:
        Speed:           54 Mb/s
    
      Wireless Properties
        WEP Encryption:  yes
        WPA Encryption:  yes
        WPA2 Encryption: yes
    
      Wireless Access Points (* = current AP)
        *(Removed from view):        Infra, 00:12:17:3F:2B:04, Freq 2437 MHz, Rate 54 Mb/s, Strength 75 WPA2
    
      IPv4 Settings:
        Address:         192.168.2.90
        Prefix:          24 (255.255.255.0)
        Gateway:         192.168.2.1
    
        DNS:             208.67.220.220
        DNS:             208.67.222.222
    
    
    - Device: eth0 -----------------------------------------------------------------
      Type:              Wired
      Driver:            r8169
      State:             unavailable
      Default:           no
      HW Address:        00:24:1D:8B:15:8A
    
      Capabilities:
        Carrier Detect:  yes
    
      Wired Properties
        Carrier:         off

  7. #7
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,691
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04 Slow Wireless

    Hi, please try:
    Code:
    sudo modprobe -r rtl8192cu
    
    sudo modprobe rtl8192cu swenc=1
    do not reboot, if it works we will need to make it permanent.
    Thanks

  8. #8
    Join Date
    Aug 2007
    Location
    Belding, MI, USA
    Beans
    42
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Ubuntu 12.04 Slow Wireless

    Quote Originally Posted by wildmanne39 View Post
    Hi, please try:
    Code:
    sudo modprobe -r rtl8192cu
    
    sudo modprobe rtl8192cu swenc=1
    do not reboot, if it works we will need to make it permanent.
    Thanks
    Didn't work for me. Downloads are still as slow as ever.

  9. #9
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,691
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04 Slow Wireless

    Hi, leave that setting in and set your wireless setting to match the sreenshots.

    Also some people have had to change the speed of there connection in the router to just g speed I believe.
    Thanks
    Last edited by Wild Man; February 10th, 2013 at 06:57 PM.

  10. #10
    Join Date
    Sep 2007
    Location
    New Mexico Territory
    Beans
    158
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04 Slow Wireless

    Registered Linux User #147599
    Registered Ubuntu User #24596

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