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Thread: c and wifi = problem

  1. #1

    Default c and wifi = problem

    LEAP15.3 (fresh install)
    Hardware:
    kernel: rtw_8821ce 0000:01:00.0: rfe 2 isn't supported
    Code:
    # lspci | grep -i Network
    01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
    No wifi :

    Code:
    # journalctl -b | grep -Ei '8821|network|firmware'
    ......
    Sep 23 15:04:04 localhost systemd[1]: Started Network Manager Script Dispatcher Service.
    Sep 23 15:04:04 localhost kernel: rtw_8821ce 0000:01:00.0: enabling device (0000 -> 0003)
    Sep 23 15:04:04 localhost kernel: rtw_8821ce 0000:01:00.0: Firmware version 24.8.0, H2C version 12
    Sep 23 15:04:04 localhost kernel: rtw_8821ce 0000:01:00.0: rfe 2 isn't supported
    Sep 23 15:04:04 localhost kernel: rtw_8821ce 0000:01:00.0: failed to setup chip efuse info
    Sep 23 15:04:04 localhost kernel: rtw_8821ce 0000:01:00.0: failed to setup chip information
    Sep 23 15:04:04 localhost NetworkManager[518]: <info>  [1632398644.9343] manager: startup complete
    Sep 23 15:04:05 localhost kernel: Bluetooth: hci0: RTL: assuming no firmware upload needed
    ....
    Code:
    # uname -a
    Linux localhost.localdomain 5.3.18-59.19-default #1 SMP Tue Aug 3 14:11:23 UTC 2021 (055c4fd) x86_64 x86_64 x86_64 GNU/Linux
    Code:
    # rpm -qa | grep -i kernel-def
    kernel-default-extra-5.3.18-59.19.1.x86_64
    kernel-default-optional-5.3.18-59.19.1.x86_64
    kernel-default-5.3.18-59.19.1.x86_64
    Code:
    # cat /etc/modprobe.d/10-unsupported-modules.conf 
    .......
    # On openSUSE, the kernel doesn't have the feature to recognize supported modules,
    # and this flag has no effect.
    allow_unsupported_modules 0
    Please , help me.

    Serg

  2. #2
    Join Date
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    Location
    Norfolk, UK
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    Default Re: c and wifi = problem

    Add @Sauerland's repository:

    https://download.opensuse.org/reposi...p_15.3_Update/

    and install:

    rtl8821ce-kmp-default
    rtl8821ce-blacklist-rtw_8821ce
    Regards, Paul

  3. #3
    Join Date
    Mar 2011
    Location
    Sauerland
    Posts
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    Default AW: Re: c and wifi = problem

    Quote Originally Posted by tannington View Post
    Add @Sauerland's repository:

    https://download.opensuse.org/reposi...p_15.3_Update/

    and install:

    rtl8821ce-kmp-default
    rtl8821ce-blacklist-rtw_8821ce
    Better is to install rtw88 from that Repo, rtl8821ce will be deleted at the end of this year......

  4. #4

    Default Re: AW: Re: c and wifi = problem

    Quote Originally Posted by Sauerland View Post
    Better is to install rtw88 from that Repo, rtl8821ce will be deleted at the end of this year......
    Please specify - where to get it from?
    Code:
    > sudo modprobe rtw88
    modprobe: FATAL: Module rtw88 not found in directory /lib/modules/5.3.18-59.19-default
    
    > sudo zypper in rtw88
    Loading repository data...
    Reading installed packages...
    'rtw88' not found in package names. Trying capabilities.
    No provider of 'rtw88' found.
    Resolving package dependencies...
    Nothing to do.

  5. #5
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    Default AW: Re: c and wifi = problem

    Quote Originally Posted by Sauerland View Post
    Better is to install rtw88 from that Repo, rtl8821ce will be deleted at the end of this year......
    Code:
    zypper ar -f https://download.opensuse.org/repositories/home:/Sauerland:/hardware/openSUSE_Leap_15.3_Update/ Sauerland-Update
    Code:
    zypper in rtw88-kmp-default
    Last edited by Sauerland; 23-Sep-2021 at 06:44.

  6. #6

    Default Re: AW: Re: c and wifi = problem

    Quote Originally Posted by Sauerland View Post
    Code:
    zypper ar -f https://download.opensuse.org/repositories/home:/Sauerland:/hardware/openSUSE_Leap_15.3_Update/ Sauerland-Update
    Code:
    zypper in rtw88-kmp-default
    Code:
    > sudo ls ./rtw88*
    ./rtw88-kmp-default-git20210919_k5.3.18_59.19-lp153.2.2.x86_64.rpm
    ./rtw88-ueficert-git20210919-lp153.2.2.x86_64.rpm
    > sudo zypper in ./rtw88*
    .....
    > sudo shutdown -r now
    after reboot - WIFI Up!
    Thank you !

  7. #7
    Join Date
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    Default AW: c and wifi = problem

    You must not download the rpm, the first command adds the Repo, the second command installs the kmp.

    Now you get automatically an update when a new kernel is released.

    And it should work with secure boot in UEFI.

  8. #8
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    Location
    Norfolk, UK
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    Default Re: AW: Re: c and wifi = problem

    Quote Originally Posted by Sauerland View Post
    Better is to install rtw88 from that Repo, rtl8821ce will be deleted at the end of this year......
    @Sauerland

    I've just tried the rtw88 (as opposed to rtl8821ce that I was using) and although it works, I consistently get a lower connection speed.

    With the rtl8821ce the connection speed is always 434Mbits/sec, whereas with the rtw-88 it is typically no faster than 292.5Mbits/sec.

    rtl8821ce https://paste.opensuse.org/view/raw/e3d5335b
    rtw-88 https://paste.opensuse.org/view/raw/210d6079

    Same laptop, same physical position, same (wifi) access point.
    Regards, Paul

  9. #9
    Join Date
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    Location
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    Default Re: AW: Re: c and wifi = problem

    Quote Originally Posted by tannington View Post
    ... I've just tried the rtw88 (as opposed to rtl8821ce that I was using) and although it works, I consistently get a lower connection speed...
    Sorry, perhaps I should make clear, this is an observation, not a complaint.
    Regards, Paul

  10. #10
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    Default AW: Re: AW: Re: c and wifi = problem

    Quote Originally Posted by tannington View Post
    @Sauerland

    I've just tried the rtw88 (as opposed to rtl8821ce that I was using) and although it works, I consistently get a lower connection speed.

    With the rtl8821ce the connection speed is always 434Mbits/sec, whereas with the rtw-88 it is typically no faster than 292.5Mbits/sec.

    rtl8821ce https://paste.opensuse.org/view/raw/e3d5335b
    rtw-88 https://paste.opensuse.org/view/raw/210d6079

    Same laptop, same physical position, same (wifi) access point.
    I build them only.
    But:
    The rtw88 kmp is published by Larry Finger and gets updates, the rtl8821ce does not get any updates since 7 month.
    Also the rtw88 will work without any external kmp out of the box in kernel 5.12 and higher (Tumbleweed, kernel:stable ...)
    Bluetooth will work out of the box with rtw88, for rtl8821ce you need a separate kmp.

    So I will delete the rtl8821ce after Leap 15.3, but you can download the src.rpm and build them by your own. I think you have to patch it for Leap 15.4.......

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