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Thread: Lost Wi-Fi after update 15.2 to 15.3

  1. #1
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    Default Lost Wi-Fi after update 15.2 to 15.3

    Wireless is not my strong point...

    Just did a zypper dup from Leap 15.2 to 15.3 on a laptop which has a Realtek RTL8821CE.

    The dup went OK and all appears to be working as expected, apart from the Wi-Fi...

    On 15.2 this was working fine with the "rtl8821ce-kmp-default" driver from @Sauerland's repository "https://download.opensuse.org/repositories/home:/Sauerland:/hardware/openSUSE_Leap_15.2_Update/"

    Following the zypper dup, (having changed the URL to "https://download.opensuse.org/repositories/home:/Sauerland:/hardware/openSUSE_Leap_15.3_Update/") the driver "rtl8821ce-kmp-default" is no longer working.

    I can't help but feel I've missed something very obvious, but am at a loss to see what
    Regards, Paul

  2. #2
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    Default Re: Lost Wi-Fi after update 15.2 to 15.3

    Quote Originally Posted by tannington View Post
    Just did a zypper dup from Leap 15.2 to 15.3 on a laptop which has a Realtek RTL8821CE.

    The dup went OK and all appears to be working as expected, apart from the Wi-Fi...
    The older Leap 15.2 kernel is probably still installed. Does WiFi work if you boot that?
    openSUSE Leap 15.3; KDE Plasma 5.18.6;

  3. #3
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    Default Re: Lost Wi-Fi after update 15.2 to 15.3

    Quote Originally Posted by nrickert View Post
    The older Leap 15.2 kernel is probably still installed.
    Yes, indeed it was...

    Does WiFi work if you boot that?
    No, no change.

    Also tried, although not expecting it to make any change, which it didn't, deleting and re-installing the driver.
    Regards, Paul

  4. #4
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    Default Re: Lost Wi-Fi after update 15.2 to 15.3

    Quote Originally Posted by tannington View Post
    Yes, indeed it was...
    Hmm... actually, taking a second look with the intention of trying once more just to be sure (it's turning into one of "those" days), I'm not so sure it was.

    The current 15.3 kernel is 5.3.18-59.19 and the "older" 15.2 kernel is shown as 5.3.18-lp152.87
    Regards, Paul

  5. #5
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    Default AW: Lost Wi-Fi after update 15.2 to 15.3

    Post:
    Code:
    uname -a
    Code:
    zypper se -si kernel rtl8821ce rtw88 broadcom

  6. #6
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    Default Re: Lost Wi-Fi after update 15.2 to 15.3

    Thanks...

    Code:
    paul@HP255G7:~> su - 
    Password:  
    HP255G7:~ # uname -a 
    Linux HP255G7 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 
    HP255G7:~ # zypper se -si kernel rtl8821ce rtw88 broadcom 
    Loading repository data... 
    Reading installed packages... 
    
    S  | Name                        | Type    | Version                              | Arch   | Repository 
    ---+-----------------------------+---------+--------------------------------------+--------+------------------------------------- 
    i+ | kernel-default              | package | 5.3.18-lp152.87.1                    | x86_64 | (System Packages) 
    i+ | kernel-default              | package | 5.3.18-59.19.1                       | x86_64 | Update-SLE 
    i+ | kernel-firmware-all         | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-amdgpu      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-ath10k      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-ath11k      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-atheros     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-bluetooth   | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-bnx2        | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-brcm        | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-chelsio     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-dpaa2       | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-i915        | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-intel       | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-iwlwifi     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-liquidio    | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-marvell     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-media       | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-mediatek    | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-mellanox    | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-mwifiex     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-network     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-nfp         | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-nvidia      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-platform    | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-prestera    | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-qlogic      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-radeon      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-realtek     | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-serial      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-sound       | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-ti          | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-ueagle      | package | 20210208-2.4                         | noarch | Main Repository 
    i  | kernel-firmware-usb-network | package | 20210208-2.4                         | noarch | Main Repository 
    i+ | purge-kernels-service       | package | 0-8.3.1                              | noarch | Update-SLE 
    i+ | rtl8821ce-kmp-default       | package | git20210529_k5.3.18_59.19-lp153.3.15 | x86_64 | Sauerland-Update (Realtek rtl8821ce) 
    HP255G7:~ # exit 
    logout 
    paul@HP255G7:~>


    Regards, Paul

  7. #7
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    Default AW: Lost Wi-Fi after update 15.2 to 15.3

    Code:
    zypper se -si kernel rtl8821ce
    Repository-Daten werden geladen...
    Installierte Pakete werden gelesen...
    
    S  | Name                           | Type  | Version                              | Arch   | Repository
    ---+--------------------------------+-------+--------------------------------------+--------+-----------------
    i  | jupyter-ipykernel              | Paket | 5.2.1-bp153.1.19                     | noarch | OSS
    i+ | kernel-default                 | Paket | 5.3.18-59.19.1                       | x86_64 | sle-update
    i+ | kernel-default                 | Paket | 5.3.18-59.16.1                       | x86_64 | sle-update
    i  | kernel-default-extra           | Paket | 5.3.18-59.19.1                       | x86_64 | sle-update
    i  | kernel-default-extra           | Paket | 5.3.18-59.16.1                       | x86_64 | sle-update
    i  | kernel-default-optional        | Paket | 5.3.18-59.19.1                       | x86_64 | sle-update
    i  | kernel-default-optional        | Paket | 5.3.18-59.16.1                       | x86_64 | sle-update
    .
    .
    .
    .
    .
    i+ | purge-kernels-service          | Paket | 0-8.3.1                              | noarch | (Systempakete)
    i  | python3-ipykernel              | Paket | 5.2.1-bp153.1.19                     | noarch | OSS
    i+ | rtl8821ce-blacklist-rtw_8821ce | Paket | git20210529-lp153.3.15               | x86_64 | Sauerland-Update
    i+ | rtl8821ce-kmp-default          | Paket | git20210529_k5.3.18_59.19-lp153.3.15 | x86_64 | Sauerland-Update
    I deleted the firmware rpms for better reading, do you install the blacklist rpm????

    PS
    I also would delete the kernel-default from Leap 15.2

  8. #8
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    Default AW: Lost Wi-Fi after update 15.2 to 15.3

    Problem is:
    The rtl8821ce is supported since Kernel 5.9 with module rtw88, Leap 15.3 has a backported Kernel 5.9 to 5.3.
    So you have to blacklist rtw88.

    But:
    The rtl8821ce from kernel 5.9 has a bug and is first working out of the box in kernel 5.11.

    So all kernel up to 5.11 needs a separate module to work.

    There are 2 modules in my Repo:
    rtl8821ce (the old one and will be deleted after lifetime of Leap 15.2)
    rtw88 a backported module from an actual kernel, which will be supported by me.

    I have tried both with my Laptop and both are working.

  9. #9
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    Default Re: AW: Lost Wi-Fi after update 15.2 to 15.3

    Quote Originally Posted by Sauerland View Post
    ... do you install the blacklist rpm????
    The blacklist rpm was not installed, installing "rtl8821ce-blacklist-rtw_8821ce" does not change the situation,

    PS
    I also would delete the kernel-default from Leap 15.2
    Neither does deleting the leap 15.2 kernel. still no wi-fi, and iwconfig, for example gives this output:

    Code:
    paul@HP255G7:~> su -
    Password: 
    HP255G7:~ #  sudo iwconfig
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    HP255G7:~ # exit
    logout
    paul@HP255G7:~>




    Quote Originally Posted by Sauerland View Post
    ...
    So all kernel up to 5.11 needs a separate module to work.

    There are 2 modules in my Repo:
    rtl8821ce (the old one and will be deleted after lifetime of Leap 15.2)
    rtw88 a backported module from an actual kernel, which will be supported by me.

    I have tried both with my Laptop and both are working.
    OK, (being a little slow on the uptake here), so do I try "rtw88" instead of rtl8821ce?

    What I don't understand is that prior to the dup to 15.3 this was working ok, indeed I used the wi-fi connection for zypper up prior to the the dup, and for dup itself.

    15.2 seemingly had the same 5.3.18 kernel, I assume there was no change to the rtl88ce (?), and, obviously, the hardware is the same.


    Thanks.
    Regards, Paul

  10. #10
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    Default AW: Lost Wi-Fi after update 15.2 to 15.3

    15.2 seemingly had the same 5.3.18 kernel, I assume there was no change to the rtl88ce (?), and, obviously, the hardware is the same.
    Kernel 5.3 in openSUSE are not the same.

    Leap 15.2 has backported kernel 5.6
    Leap 15.3 has backported kernel 5.9

    Post also as root:
    Code:
    journalctl -b | grep -Ei '8821|network|firmware'

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