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Thread: RealTek RTL-8188CUs working well-how to

  1. #21
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    Re: RealTek RTL-8188CUs working well-how to

    I have yet to try the *.deb method but wanted to ask if there is a difference in *CU and *CUS that would matter?

    I have the Asus USB-N13 with the V.2 RTL8192CU chipset but notice on the realtek site there is two different listings for CU and CUS.

    Thank you for any help you can give and I_ated_it thank you for pointing me to this thread.

  2. #22
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    Re: RealTek RTL-8188CUs working well-how to

    I'm not 100% certain but I believe they use the same package. You could download both and compare them, or you might be able to tell just by comparing the file names.

  3. #23
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    Re: RealTek RTL-8188CUs working well-how to

    Thanks! This solution worked my ubuntu13.04.

    Quote Originally Posted by tim_phillips View Post
    Thought i'd add my solution

    I've attached a script and patch that fixes up the 'implicit' error and the 'symbol' error, and then compiles and installs.

    tested on 3.8 and 3.9 kernels.

    put the script (sh file) and the patch (txt file) in the same folder as the downloaded file ( RTL8192xC_USB_linux_v3.4.4_4749.20121105.zip from http://tinyurl.com/c4v34vq )

    run the script as root or sudo

    don't forget to blacklist the native drivers:
    put a file in to /etc/modprobe.d/ with this in it
    Code:
    # Blacklist native RealTek 8188CUs drivers
    blacklist rtl8192cu
    blacklist rtl8192c_common
    blacklist rtlwifi
    Last edited by mtk.sugi; May 26th, 2013 at 05:16 PM.

  4. #24
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    Re: RealTek RTL-8188CUs working well-how to

    Quote Originally Posted by tim_phillips View Post
    even easier....

    i've uploaded a deb file that will compile, install, and DKMS the drivers for you.

    https://code.google.com/p/realtek-81...9-ubuntu-1304/

    I just wanted to say a big THANK YOU for this. I've been trying to get this working for several days. It worked perfectly on Lubuntu 13.04.

  5. #25
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    Re: RealTek RTL-8188CUs working well-how to

    Quote Originally Posted by tim_phillips View Post
    Thought i'd add my solution

    I've attached a script and patch that fixes up the 'implicit' error and the 'symbol' error, and then compiles and installs.

    tested on 3.8 and 3.9 kernels.

    put the script (sh file) and the patch (txt file) in the same folder as the downloaded file ( RTL8192xC_USB_linux_v3.4.4_4749.20121105.zip from http://tinyurl.com/c4v34vq )

    run the script as root or sudo

    don't forget to blacklist the native drivers:
    put a file in to /etc/modprobe.d/ with this in it
    Code:
    # Blacklist native RealTek 8188CUs drivers
    blacklist rtl8192cu
    blacklist rtl8192c_common
    blacklist rtlwifi
    I've just followed this guide and run the script in the terminal and changed the blacklist.conf file but now after loading wicd I get no wireless connectivity at all, Have I maybe used the wrong driver?

    I have an edimax nano usb adapter.

    I'm new to Linux/ubuntu so not 100% what to do here.

    Before trying the above method I tried installing with the deb file that you compiled but when opening up with the software centre it never seemed to install.

  6. #26
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    Re: RealTek RTL-8188CUs working well-how to

    Quote Originally Posted by robbo87 View Post
    I've just followed this guide and run the script in the terminal and changed the blacklist.conf file but now after loading wicd I get no wireless connectivity at all, Have I maybe used the wrong driver?

    I have an edimax nano usb adapter.

    I'm new to Linux/ubuntu so not 100% what to do here.

    Before trying the above method I tried installing with the deb file that you compiled but when opening up with the software centre it never seemed to install.
    You have to install the .deb package in order for it to work. It didn't work because you blacklisted the 'native' drivers and didn't install an replacement. I find Ubuntu software center a little persnickity with 'external' packages. I have Gdebi installed for such purposes, it's an oldie but goodie found in the repositories. You could also do it via command line but I'm no expert there. I imagine
    Code:
    sudo dpkg -i <package name>
    would work but again, but I'm no command line wizard. I can copy/paste with the best of 'em though.

    I'm having a somewhat off topic thought when talking about installing .deb packages. If you're new to Linux/Debian/Ubuntu, you want to use a little discretion when installing .deb packages. Packages found in the repositories or on reputable sites such as webupd8 are in all liklihood not malicious. There was however a .deb package some months ago on an artwork site that would remove the operating system when installed. Simply use a little discretion and judgment. Leave the
    Ooo! this looks like a neat cursor in this banner ad! <click>
    to the Windows folks
    Last edited by kurt18947; June 10th, 2013 at 03:03 PM.

  7. #27
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    Re: RealTek RTL-8188CUs working well-how to

    Thanks for getting back to me, I forgot to add that before I did the blacklisting I ran in the terminal the script that is in one of the earlier downloads which had been added into the folder of the driver download as instructed and that seemed to install ok.

    I'll give the other method of installing the deb package a go and see what happens, i've since reversed the blacklist.conf mod and got back some wireless functionality although it's very hap hazard.

  8. #28
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    Re: RealTek RTL-8188CUs working well-how to

    Quote Originally Posted by robbo87 View Post
    Thanks for getting back to me, I forgot to add that before I did the blacklisting I ran in the terminal the script that is in one of the earlier downloads which had been added into the folder of the driver download as instructed and that seemed to install ok.

    I'll give the other method of installing the deb package a go and see what happens, i've since reversed the blacklist.conf mod and got back some wireless functionality although it's very hap hazard.
    Haphazard is a good description of that adapter using the native driver. It doesn't improve with use either IME.

  9. #29
    Join Date
    Jun 2013
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    Re: RealTek RTL-8188CUs working well-how to

    I've just gone to install the deb package using the GDebi installer and it says that "same version is already installed"

    Now I'm stumped


    Edit, here is the information from the "wireless script" that is on another thread if this is any help

    Code:
    *************** info trace ***************
    
    ***** uname -a *****
    
    Linux martin-Presario-F500-RY574EA-ABU 3.5.0-32-generic #53~precise1-Ubuntu SMP Wed May 29 20:35:31 UTC 2013 i686 athlon i386 GNU/Linux
    
    ***** lsb_release *****
    
    Distributor ID:    Ubuntu
    Description:    Ubuntu 12.04.2 LTS
    Release:    12.04
    Codename:    precise
    
    ***** lspci *****
    
    00:14.0 Bridge [0680]: NVIDIA Corporation MCP51 Ethernet Controller [10de:0269] (rev a3)
        Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7]
        Kernel driver in use: forcedeth
    
    ***** lsusb *****
    
    Bus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]
    Bus 002 Device 002: ID 05e3:0604 Genesys Logic, Inc. USB 1.1 Hub
    Bus 002 Device 003: ID 0c45:7000 Microdia 
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 002 Device 006: ID 045e:00b4 Microsoft Corp. 
    Bus 002 Device 007: ID 15d9:0a4c Trust International B.V. USB+PS/2 Optical Mouse
    
    ***** iwconfig *****
    
    wlan0     IEEE 802.11bgn  ESSID:"virginmedia4098985"  
              Mode:Managed  Frequency:2.412 GHz  Access Point: <MAC address removed>   
              Bit Rate=72.2 Mb/s   Tx-Power=20 dBm   
              Retry  long limit:7   RTS thr=2347 B   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:0  Invalid misc:0   Missed beacon:0
    
    
    ***** rfkill *****
    
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    
    ***** lsmod *****
    
    rtl8192cu              67480  0 
    rtl8192c_common        47696  1 rtl8192cu
    rtlwifi                65304  1 rtl8192cu
    mac80211              475546  3 rtl8192cu,rtl8192c_common,rtlwifi
    cfg80211              181041  2 rtlwifi,mac80211
    
    ***** nm-tool *****
    
    NetworkManager Tool
    
    State: connected (global)
    
    - Device: wlan0  [virginmedia4098985] ------------------------------------------
      Type:              802.11 WiFi
      Driver:            rtl8192cu
      State:             connected
      Default:           yes
      HW Address:        <MAC address removed>
    
      Capabilities:
        Speed:           72 Mb/s
    
      Wireless Properties
        WEP Encryption:  yes
        WPA Encryption:  yes
        WPA2 Encryption: yes
    
      Wireless Access Points (* = current AP)
        *virginmedia4098985: Infra, <MAC address removed>, Freq 2412 MHz, Rate 54 Mb/s, Strength 76 WPA2
    
      IPv4 Settings:
        Address:         192.168.0.10
        Prefix:          24 (255.255.255.0)
        Gateway:         192.168.0.1
    
        DNS:             194.168.4.100
        DNS:             194.168.8.100
    
    
    - Device: eth0 -----------------------------------------------------------------
      Type:              Wired
      Driver:            forcedeth
      State:             unavailable
      Default:           no
      HW Address:        <MAC address removed>
    
      Capabilities:
        Carrier Detect:  yes
    
      Wired Properties
        Carrier:         off
    
    
    
    ***** NetworkManager.state *****
    
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true
    
    ***** NetworkManager.conf *****
    
    
    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq
    
    no-auto-default=<MAC address removed>,
    
    [ifupdown]
    managed=false
    
    ***** interfaces *****
    
    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=66/70  Signal level=-44 dBm  
                        Encryption key:on
                        ESSID:"virginmedia4098985"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                                  24 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=0000000567327b02
                        Extra: Last beacon: 688ms ago
                        IE: Unknown: 001276697267696E6D6564696134303938393835
                        IE: Unknown: 010882848B962430486C
                        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: 32040C121860
                        IE: Unknown: 2D1AFC181BFFFF000000000000000000000000000000000000000000
                        IE: Unknown: 3D1601081500000000000000000000000000000000000000
                        IE: Unknown: DD7E0050F204104A0001101044000102103B0001031047001004AA7F10ED0680E162349311D137BD32102100074E657467656172102300074E6574676561721024000631323334353610420007303030303030311054000800060050F20400011011000743473331303144100800022008103C0001011049000600372A000120
                        IE: Unknown: DD090010180201F02C0000
                        IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
    
    
    ***** resolv.conf *****
    
    nameserver 127.0.0.1
    
    ***** blacklist *****
    
    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci
    
    [/etc/modprobe.d/blacklist.conf]
    blacklist evbug
    blacklist usbmouse
    blacklist usbkbd
    blacklist eepro100
    blacklist de4x5
    blacklist eth1394
    blacklist snd_intel8x0m
    blacklist snd_aw2
    blacklist i2c_i801
    blacklist prism54
    blacklist bcm43xx
    blacklist garmin_gps
    blacklist asus_acpi
    blacklist snd_pcsp
    blacklist pcspkr
    blacklist amd76x_edac
    
    ***** dmesg *****
    
    [   20.065466] rtl8192cu: Chip version 0x10
    [   20.252932] rtl8192cu: MAC address: <MAC address removed>
    [   20.252940] rtl8192cu: Board Type 0
    [   20.253200] rtlwifi: rx_max_size 15360, rx_urb_num 8, in_ep 1
    [   20.253310] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw.bin
    [   20.351463] Error: Driver 'rtl8192cu' is already registered, aborting...
    [   20.644472] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
    [   20.645200] rtlwifi: wireless switch is on
    [   20.674707] rtl8192cu: MAC auto ON okay!
    [   20.710971] rtl8192cu: Tx queue select: 0x05
    [   21.162264] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   21.162958] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   24.716719] wlan0: authenticate with <MAC address removed>
    [   24.740775] wlan0: send auth to <MAC address removed> (try 1/3)
    [   24.743861] wlan0: authenticated
    [   24.756039] wlan0: associate with <MAC address removed> (try 1/3)
    [   24.761352] wlan0: RX AssocResp from <MAC address removed> (capab=0x411 status=0 aid=2)
    [   24.761391] wlan0: associated
    [   24.761630] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [ 1654.501830] wlan0: deauthenticating from <MAC address removed> by local choice (reason=3)
    [ 1659.667383] wlan0: authenticate with <MAC address removed>
    [ 1659.695568] wlan0: send auth to <MAC address removed> (try 1/3)
    [ 1659.698183] wlan0: authenticated
    [ 1659.724053] wlan0: associate with <MAC address removed> (try 1/3)
    [ 1659.728431] wlan0: RX AssocResp from <MAC address removed> (capab=0x411 status=0 aid=2)
    [ 1659.728505] wlan0: associated
    [ 2050.393043] wlan0: deauthenticating from <MAC address removed> by local choice (reason=3)
    [ 2051.364498] wlan0: authenticate with <MAC address removed>
    [ 2051.398334] wlan0: send auth to <MAC address removed> (try 1/3)
    [ 2051.400772] wlan0: authenticated
    [ 2051.416116] wlan0: associate with <MAC address removed> (try 1/3)
    [ 2051.421066] wlan0: RX AssocResp from <MAC address removed> (capab=0x411 status=0 aid=2)
    [ 2051.421115] wlan0: associated
    
    ****************** done ******************
    Last edited by robbo87; June 10th, 2013 at 04:16 PM.

  10. #30
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    Re: RealTek RTL-8188CUs working well-how to

    Have you reinstated the blacklist? I looked at my 'lsmod' output on the notebook running the ew-7811Un. The only Realtek related entry I see is "8192cu". There is no "rtl*" anything. When I run the command "modinfo 8192cu" I get many lines of output. The ones that matter, I think are:

    -filename: /lib/modules/3.8.0-23-generic/updates/dkms/8192cu.ko (This is Ubuntu 13.04)

    -version: v3.4.4_4749.20121105

    -author: Realtek Semiconductor Corp.

    Let us know how you get along.

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