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Thread: problem realtek 8723 driver

  1. #101
    Join Date
    Mar 2013
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    10

    Re: problem realtek 8723 driver

    I have actually no clue, have been using Linux for not a long time... But here is the output:
    [ 18.036048] firemare: rtl8723fw_B.bin[ 18.296627] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
    [ 18.296920] rtlwifi: wireless switch is on
    [ 21.518884] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 21.521850] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 23.881153] wlan0: authenticate with 00:24:01:38:f4:b7
    [ 23.913523] wlan0: send auth to 00:24:01:38:f4:b7 (try 1/3)
    [ 23.915322] wlan0: authenticated
    [ 23.932412] wlan0: associate with 00:24:01:38:f4:b7 (try 1/3)
    [ 23.935504] wlan0: RX AssocResp from 00:24:01:38:f4:b7 (capab=0x431 status=0 aid=5)
    [ 23.936092] wlan0: associated
    [ 23.936789] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [ 126.695996] wlan0: Connection to AP 00:24:01:38:f4:b7 lost.
    [ 127.758860] wlan0: authenticate with 00:24:01:38:f4:b7
    [ 127.790954] wlan0: send auth to 00:24:01:38:f4:b7 (try 1/3)
    [ 127.793042] wlan0: authenticated
    [ 127.809666] wlan0: associate with 00:24:01:38:f4:b7 (try 1/3)
    [ 127.814370] wlan0: RX AssocResp from 00:24:01:38:f4:b7 (capab=0x431 status=0 aid=5)
    [ 127.815030] wlan0: associated


  2. #102
    Join Date
    Aug 2005
    Location
    South Carolina, USA
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    19,877
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: problem realtek 8723 driver

    [ 127.790954] wlan0: send auth to 00:24:01:38:f4:b7 (try 1/3)
    [ 127.793042] wlan0: authenticated
    [ 127.809666] wlan0: associate with 00:24:01:38:f4:b7 (try 1/3)
    [ 127.814370] wlan0: RX AssocResp from 00:24:01:38:f4:b7 (capab=0x431 status=0 aid=5)
    [ 127.815030] wlan0: associated
    I don't see anything wrong here. It looks like you connected just perfectly. No?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #103
    Join Date
    Mar 2013
    Beans
    10

    Re: problem realtek 8723 driver

    I'm getting disconnected every 2nd or 3rd minute. This is my problem
    And this does not happen to me if I'm working with Windows 7.

  4. #104
    Join Date
    Aug 2005
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: problem realtek 8723 driver

    Quote Originally Posted by gdisastery View Post
    I'm getting disconnected every 2nd or 3rd minute. This is my problem
    And this does not happen to me if I'm working with Windows 7.
    I wonder if power management is reducing voltage to the device and it drops. Let's try a temporary fix and, if it works, we'll make it persistent:
    Code:
    sudo modprobe -r rtl8723e
    sudo modprobe rtl8723e ips=0
    Better, worse??
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #105
    Join Date
    Mar 2013
    Beans
    10

    Re: problem realtek 8723 driver

    I did it and it seems like that it is working much better!

  6. #106
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: problem realtek 8723 driver

    Quote Originally Posted by gdisastery View Post
    I did it and it seems like that it is working much better!
    Awesome. I suggest you test it for a few hours. If it's still working well, we'll write one file and etch it in stone.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  7. #107
    Join Date
    Mar 2013
    Beans
    10

    Re: problem realtek 8723 driver

    Yeah I will test it out at school tomorrow because using Ubuntu at school is really terrible due to the internet connection :/

    EDIT: I still get disconnected at home, but not so often like before. Maybe 5-10 times in an hour.
    Last edited by gdisastery; March 7th, 2013 at 08:12 PM.

  8. #108
    Join Date
    Mar 2013
    Beans
    10

    Re: problem realtek 8723 driver

    I am at school right now and have executed the commands you have given me, but I still get disconnected all the time, but not so often as always.

  9. #109
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    19,877
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: problem realtek 8723 driver

    Quote Originally Posted by gdisastery View Post
    I am at school right now and have executed the commands you have given me, but I still get disconnected all the time, but not so often as always.
    Please try:
    Code:
    sudo modprobe -r rtl8723e
    sudo modprobe rtl8723e ips=0
    sudo iwconfig wlan0 power off
    In this context, 'power' refers to power management, the often helpful but sometimes maddening scheme to reduce power to various items including the wireless card in order to extend battery power.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  10. #110
    Join Date
    Mar 2013
    Beans
    10

    Re: problem realtek 8723 driver

    Code:
    gary@GARY-PC:~$ sudo su[sudo] password for gary: 
    root@GARY-PC:/home/gary# modprobe -r rtl8723e
    root@GARY-PC:/home/gary# modprobe rtl8723e ips=0
    root@GARY-PC:/home/gary# iwconfig wlan0
    wlan0     IEEE 802.11bgn  ESSID:"TGM1x"  
              Mode:Managed  Frequency:2.432 GHz  Access Point: 00:1F:45:4B:5E:A8   
              Bit Rate=1 Mb/s   Tx-Power=20 dBm   
              Retry  long limit:7   RTS thr=2347 B   Fragment thr:off
              Encryption key:off
              Power Management:off
              Link Quality=22/70  Signal level=-88 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:23   Missed beacon:0
    
    
    root@GARY-PC:/home/gary# iwconfig wlan0 power off
    Error for wireless request "Set Power Management" (8B2C) :
        SET failed on device wlan0 ; Operation not supported.
    I think power management is already off

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