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Thread: Raspberry Pi 2 - Wrong wifi drivers loaded

  1. #1
    Join Date
    2015-Sep
    Posts
    2

    Raspberry Pi 2 - Wrong wifi drivers loaded

    Hello,
    I have a problem with my edimax Realtek RTL8188CUS wifi adapter. On my laptop with kali-linux 2.0 and kali-linux 1.1.0 installed I can simply switch into monitor mode with airmon-ng. On my raspberry pi 2 with kali-linux 2.0 installed I am not able to activate the monitor mode. The normal managed mode works on all systems and I am able to connect to wifi access points.

    Code:
    lsusb pi:
    Bus 001 Device 005: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]
    Code:
    dmesg pi:
    [  677.058439] usb 1-1.3: new high-speed USB device number 5 using dwc_otg
    [  677.160101] usb 1-1.3: New USB device found, idVendor=7392, idProduct=7811
    [  677.160131] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [  677.160150] usb 1-1.3: Product: 802.11n WLAN Adapter
    [  677.160167] usb 1-1.3: Manufacturer: Realtek
    [  677.160184] usb 1-1.3: SerialNumber: 00e04c000001
    [  678.414682] rtl8192cu 1-1.3:1.0 wlan1: renamed from wlan0
    [  678.459963] systemd-udevd[728]: renamed network interface wlan0 to wlan1
    Code:
    airmon-ng pi:
    PHY   Interface    Driver           Chipset
    null     wlan1        rtl8192cu     Edimax Technology Co., Ltd EW-7811Un 802.11n [Realtek RTL8188CUS]
    Code:
    lsusb laptop
    Bus 002 Device 007: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]
    Code:
    dmesg laptop
    [ 6028.369567] rtl8192cu: Chip version 0x10
    [ 6028.402364] rtl8192cu: MAC address: 80:1f:02:e4:ca:af
    [ 6028.402372] rtl8192cu: Board Type 0
    [ 6028.402436] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1
    [ 6028.402484] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin
    [ 6028.402846] ieee80211 phy2: Selected rate control algorithm 'rtl_rc'
    [ 6028.403476] usb 2-7: firmware: direct-loading firmware rtlwifi/rtl8192cufw_TMSC.bin
    [ 6028.416669] rtl8192cu 2-7:1.0 wlan2: renamed from wlan1
    [ 6028.433877] rtl8192cu: MAC auto ON okay!
    [ 6028.446173] rtl8192cu: Tx queue select: 0x05
    Code:
    airmon-ng laptop
    PHY     Interface    Driver           Chipset
    phy2     wlan2        rtl8192cu      Edimax Technology Co., Ltd EW-7811Un 802.11n [Realtek RTL8188CUS]
    The dmesg output shows, that on my laptop the wifi adapter is listed as rtl819cu and the firmware rtlwifi/rtl8192cufw_TMSC.bin is loaded. On my pi the adapter is mostly listed just as usb-1.1.3 and the special firmware is not loaded. I checked the /lib/firmware/ folder and the rtlwifi/rtl8192cufw_TMSC.bin firmware file is present on the pi too, but the pi won't load it. Due to this fact airmon-ng won't find the phy interface on the pi.

    So now I need my pi to recognize the wifi adapter and load the real firmware, but I couldn't find anything on the internet.

  2. #2
    Join Date
    2015-Sep
    Posts
    2
    I just posted a thread yesterday with exactly the same issue.
    The card is getting into monitor mode on my laptop but not on my PI.
    Spent hours on google to try and find somthing, but nothing...

    Did you find any successful solution?

  3. #3
    Join Date
    2013-Jul
    Posts
    41
    Quote Originally Posted by snir_l View Post
    I just posted a thread yesterday with exactly the same issue.
    The card is getting into monitor mode on my laptop but not on my PI.
    Spent hours on google to try and find somthing, but nothing...

    Did you find any successful solution?
    I too am having the same issue.

    Seems you can recompile adafruit's kernel and add support.

    I haven't tried , yet..

    If we were to use a different kernel on Kali, would that cause issues / lose stability ?

    Here is the guide

    http://raspberrypi.stackexchange.com...sb-on-raspbian


    Didn't mean to revive old thread ... .
    What did you guys come up with, all three of my USB Wi-Fi adapters have realtek chipsets.

    I've updated the realtek firmware so far. No go.

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