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On my newest more powerful laptop, I have a lot of problems with WiFi stability especially using any Buntu 14.04 based distro. It will lose connectivity often every few minutes ...
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  1. #1
    Linux Newbie
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    Flaky WiFi


    On my newest more powerful laptop, I have a lot of problems with WiFi stability especially using any Buntu 14.04 based distro. It will lose connectivity often every few minutes and sometimes it comes back on it's own quickly and sometimes it doesn't. The WiFi is 100% reliable when using MX-14 (which is based on Debian stable). Here's the hardware specs (from inxi -F while running MX-14):

    System: Host: btn Kernel: 3.12-0.bpo.1-686-pae i686 (32 bit)
    Desktop: Xfce 4.10.2 Distro: MX-14 Symbiosis 24 March 2014
    Machine: System: Compal product: PBL21 v: 1.71
    Mobo: Compal model: PBL21 Bios: INSYDE v: 1.71 date: 04/19/2011
    CPU: Quad core Intel Core i7-2670QM CPU (-HT-MCP-) cache: 6144 KB
    Clock Speeds: 1: 1890 MHz 2: 997 MHz 3: 1203 MHz 4: 1334 MHz
    5: 1304 MHz 6: 799 MHz 7: 2599 MHz 8: 1089 MHz
    Graphics: Card: NVIDIA GF108 [GeForce GT 540M]
    Display Server: X.Org 1.12.4 driver: nvidia
    Resolution: 1920x1080 at 60.0hz
    GLX Renderer: GeForce GT 540M/PCIe/SSE2
    GLX Version: 4.3.0 NVIDIA 319.82
    Audio: Card-1 NVIDIA GF108 High Definition Audio Controller
    driver: snd_hda_intel
    Card-2 Intel 6 Series/C200 Series Family High Definition Audio Controller
    driver: snd_hda_intel
    Sound: Advanced Linux Sound Architecture v: k3.12-0.bpo.1-686-pae
    Network: Card-1: Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller
    driver: r8169
    IF: eth1 state: down mac: b8:70:f4:a0:44:83
    Card-2: Realtek RTL8188CE 802.11b/g/n WiFi Adapter
    driver: rtl8192ce
    IF: wlan1 state: up mac: e0:b9:a5:b2:c6:80
    Drives: HDD Total Size: 266.1GB (0.4% used)
    ID-1: /dev/sda model: ST9250410AS size: 250.1GB
    USB ID-2: /dev/sdb model: Cruzer_Glide size: 16.0GB
    Partition: ID-1: / size: 226G used: 4.4G (3%) fs: ext4 dev: /dev/sda1
    ID-2: swap-1 size: 4.08GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
    Sensors: System Temperatures: cpu: 51.0C mobo: N/A gpu: 51C
    Fan Speeds (in rpm): cpu: N/A
    Info: Processes: 187 Uptime: 18 min Memory: 524.1/8092.1MB
    Client: Shell (bash) inxi: 2.1.18

    I suspect it's a driver issue with the Buntu based distros but I wonder if any of y'all have whipped this problem...

  2. #2
    Linux Engineer
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    Dec 2013
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    The wrong driver is being loaded:
    Network: Card-1: Realtek RTL8111/8168B PCI Express Gigabit Ethernet control
    driver: r8169

    It's a known issue. You probably want to get the correct driver form Realtek and install it.

  3. #3
    Linux Newbie
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    Is that not the driver for wired internet? Wired works fine, it's wireless that gives problems (rtl8192ce)...

  4. #4
    Linux Engineer
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    Dec 2013
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    1,366
    Sorry - didn't read close enough. Realtek drivers are known to have issues in general though so it would be worth your while to check and see if that is the best driver.

  5. #5
    Linux Engineer docbop's Avatar
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    Woodshed, CA
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    Found this that may be of interest....

    https://unix.stackexchange.com/quest...n-ubuntu-13-04
    A lion does not lose sleep, over the opinion of sheep.

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