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Thread: Driver for Realtek [10ec:b723]

  1. #1
    Join Date
    Feb 2014
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    8

    Cool Driver for Realtek [10ec:b723]

    Hi all,

    I just bought a new laptop, and installed Ubuntu. Everything works well except the Wireless network card.
    Since I am new to setting up hardware drivers not provided by default, your help is very much appreciated.

    Code:
    lscpi -nn | grep 0280
    gives me

    Code:
    03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:b723]
    Any idea where / how I can install the right driver for this specific device and get elegantly connected without Ethernet cable hanging around?

    Much is appreciated.

    From Seoul, with Love.

  2. #2
    Join Date
    Dec 2009
    Location
    Fareham, UK
    Beans
    2,139
    Distro
    Ubuntu

    Re: Need help finding the right Wireless card driver.

    Welcome to UF.

    You have a relatively new chip that is not currently fully supported.

    Try the first answer provided at this link. http://askubuntu.com/questions/38926...n-ubuntu-13-10

  3. #3
    Join Date
    Feb 2014
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    8

    Re: Need help finding the right Wireless card driver.

    Thank you for a warm welcome.

    Yes indeed the laptop is quite new and I wasn't exactly expecting everything to work out of the box.
    I will try the solution in the link and post the result after.

    Appreciate your help a lot.

    Cheers.

  4. #4
    Join Date
    Feb 2014
    Beans
    8

    Re: Need help finding the right Wireless card driver.

    Quote Originally Posted by westie457 View Post
    Welcome to UF.

    You have a relatively new chip that is not currently fully supported.

    Try the first answer provided at this link. http://askubuntu.com/questions/38926...n-ubuntu-13-10
    Running make command gave me following errors:

    Code:
    make -C /lib/modules/3.11.0-12-generic/build M=/home/tony/rtl8723be modules
    make[1]: Entering directory `/usr/src/linux-headers-3.11.0-12-generic'
      CC [M]  /home/tony/rtl8723be/regd.o
    In file included from /home/tony/rtl8723be/regd.c:31:0:
    /home/tony/rtl8723be/regd.c: In function ‘_rtl_reg_apply_beaconing_flags’:
    /home/tony/rtl8723be/regd.h:37:32: error: ‘IEEE80211_CHAN_NO_IR’ undeclared (first use in this function)
     #define IEEE80211_CHAN_NO_IBSS IEEE80211_CHAN_NO_IR
                                    ^
    /home/tony/rtl8723be/regd.c:200:20: note: in expansion of macro ‘IEEE80211_CHAN_NO_IBSS’
          ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
                        ^
    /home/tony/rtl8723be/regd.h:37:32: note: each undeclared identifier is reported only once for each function it appears in
     #define IEEE80211_CHAN_NO_IBSS IEEE80211_CHAN_NO_IR
                                    ^
    /home/tony/rtl8723be/regd.c:200:20: note: in expansion of macro ‘IEEE80211_CHAN_NO_IBSS’
          ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
                        ^
    /home/tony/rtl8723be/regd.c: In function ‘_rtl_reg_apply_active_scan_flags’:
    /home/tony/rtl8723be/regd.h:34:37: error: ‘IEEE80211_CHAN_NO_IR’ undeclared (first use in this function)
     #define IEEE80211_CHAN_PASSIVE_SCAN IEEE80211_CHAN_NO_IR
                                         ^
    /home/tony/rtl8723be/regd.c:237:19: note: in expansion of macro ‘IEEE80211_CHAN_PASSIVE_SCAN’
       if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
                       ^
    /home/tony/rtl8723be/regd.c: In function ‘_rtl_reg_apply_radar_flags’:
    /home/tony/rtl8723be/regd.h:37:32: error: ‘IEEE80211_CHAN_NO_IR’ undeclared (first use in this function)
     #define IEEE80211_CHAN_NO_IBSS IEEE80211_CHAN_NO_IR
                                    ^
    /home/tony/rtl8723be/regd.c:312:8: note: in expansion of macro ‘IEEE80211_CHAN_NO_IBSS’
            IEEE80211_CHAN_NO_IBSS |
            ^
    /home/tony/rtl8723be/regd.c: In function ‘_rtl_regd_init_wiphy’:
    /home/tony/rtl8723be/regd.h:40:38: error: ‘REGULATORY_CUSTOM_REG’ undeclared (first use in this function)
     #define WIPHY_FLAG_CUSTOM_REGULATORY REGULATORY_CUSTOM_REG
                                          ^
    /home/tony/rtl8723be/regd.c:410:18: note: in expansion of macro ‘WIPHY_FLAG_CUSTOM_REGULATORY’
      wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                      ^
    /home/tony/rtl8723be/regd.h:43:38: error: ‘REGULATORY_STRICT_REG’ undeclared (first use in this function)
     #define WIPHY_FLAG_STRICT_REGULATORY REGULATORY_STRICT_REG
                                          ^
    /home/tony/rtl8723be/regd.c:411:19: note: in expansion of macro ‘WIPHY_FLAG_STRICT_REGULATORY’
      wiphy->flags &= ~WIPHY_FLAG_STRICT_REGULATORY;
                       ^
    /home/tony/rtl8723be/regd.h:46:41: error: ‘REGULATORYks!_DISABLE_BEACON_HINTS’ undeclared (first use in this function)
     #define WIPHY_FLAG_DISABLE_BEACON_HINTS REGULATORY_DISABLE_BEACON_HINTS
                                             ^
    /home/tony/rtl8723be/regd.c:412:19: note: in expansion of macro ‘WIPHY_FLAG_DISABLE_BEACON_HINTS’
      wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS;
    Any idea what I should do to make this work?

    Thanks!

  5. #5
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    23,945
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Driver for Realtek [10ec:b723]

    Sorry to barge in, but this is what I think happened. Please check here: https://github.com/lwfinger/rtl8723be

    Please notice that several files were modified 9 days ago: 'rtl8723be: Modify for API changes in kernel 3.14' You are using a 3.11-xx kernel, so it won't compile properly; 10 days ago, it did. I am trying to work out a solution.

    I have emailed the author.
    Last edited by chili555; February 14th, 2014 at 05:48 PM.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  6. #6
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    Feb 2014
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    Unhappy Re: Driver for Realtek [10ec:b723]

    Ouch that hurts. Please let me know if there's any updates.

    Cheers!

    Quote Originally Posted by chili555 View Post
    Sorry to barge in, but this is what I think happened. Please check here: https://github.com/lwfinger/rtl8723be

    Please notice that several files were modified 9 days ago: 'rtl8723be: Modify for API changes in kernel 3.14' You are using a 3.11-xx kernel, so it won't compile properly; 10 days ago, it did. I am trying to work out a solution.

    I have emailed the author.

  7. #7
    Join Date
    Feb 2014
    Beans
    8

    Re: Driver for Realtek [10ec:b723]

    Quote Originally Posted by chili555 View Post
    Sorry to barge in, but this is what I think happened. Please check here: https://github.com/lwfinger/rtl8723be

    Please notice that several files were modified 9 days ago: 'rtl8723be: Modify for API changes in kernel 3.14' You are using a 3.11-xx kernel, so it won't compile properly; 10 days ago, it did. I am trying to work out a solution.

    I have emailed the author.
    Checking out the earlier version by

    Code:
    git checkout 604aa9058fb9e5bb1cf571c99989d081f8fc8b9
    has solved the problem. It's a git repository afterall.

  8. #8
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
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    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Driver for Realtek [10ec:b723]

    Quote Originally Posted by hyunil227 View Post
    Checking out the earlier version by

    Code:
    git checkout 604aa9058fb9e5bb1cf571c99989d081f8fc8b9
    has solved the problem. It's a git repository afterall.
    Wow! Awesome. Glad it's working.

    Just for the benefit of the searchers out there, would you please tell us in detail the process to git the older version?
    Last edited by chili555; February 15th, 2014 at 02:36 PM.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  9. #9
    Join Date
    Feb 2014
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    8

    Re: Driver for Realtek [10ec:b723]

    Quote Originally Posted by chili555 View Post
    Wow! Awesome. Glad it's working.

    Just for the benefit of the searchers out there, would you please tell us in detail the process to git the older version?
    Of course. Git is a Version Control System, meaning every single version of the source code can be retrieved when needed.
    The checkout method described in the solution you've linked basically is a command to pull the latest code from the repository.
    I just added one more line to that.

    Code:
    sudo apt-get install linux-headers-generic build-essential git
    git clone http://github.com/lwfinger/rtl8723be
    cd rtl8723be
    git checkout 604aa9058fb9e5bb1cf571c99989d081f8fc8b9
    make
    sudo make install
    sudo modprobe rtl8723be


    And that's about it!
    Last edited by hyunil227; February 17th, 2014 at 03:25 AM.

  10. #10
    Join Date
    Feb 2014
    Beans
    8

    Re: Driver for Realtek [10ec:b723]

    I was actually able to get the Wireless Card working, but since my laptop is very new to the market, so many of the parts inside are missing drivers.
    For example, the touchpad. Therefore I guess I am kind of stuck with Windows for now, until there are drivers available for these parts.

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