wifi issue realtek rtl8821ce HP Pavilion
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  1. #1
    Join Date
    Nov 2004
    Posts
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    Linux (Fedora) Chrome 69.0.3497.81

    Thumbs up wifi issue realtek rtl8821ce HP Pavilion

    Hi Just purchased a shiny new HP Laptop and installed Fedora 28 with no real problems .
    wifi did not work out of the box but I'm used to Broadcom so it did not worry me too much - just dug out the trusty netgear dongle and searched for a solution.
    I found a "solution" on a forum that led me to run the folloing code
    git clone https://github.com/tomaspinho/rtl8821ce.git
    This gave me a directory called "rtl8821ce" with source code to build the driver required.

    Problem starts with the "make all" command:-

    Code:-
    bob@fred10 rtl8821ce]$ make all
    make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.17.19-200.fc28.x86_64/build M=/home/bob/Drivers/rtl8821ce modules
    make[1]: *** /lib/modules/4.17.19-200.fc28.x86_64/build: No such file or directory. Stop.
    make: *** [Makefile:1902: modules] Error 2

    I'm not too good at this level so could anyone adves me please.
    Thanks in advance
    Bob


    I've included some info that may be usefull below plus the full output of "make all -d" and the Makefile file from the source directory in the attachment

    bob@fred10 rtl8821ce]$ sudo inxi -Fxmz
    System:
    Host: localhost.localdomain Kernel: 4.17.19-200.fc28.x86_64 x86_64
    bits: 64 compiler: gcc v: 8.1.1 Console: tty 3
    Distro: Fedora release 28 (Twenty Eight)
    Machine:
    Type: N/A System: HP product: HP Pavilion x360 Convertible 14-cd0xxx
    v: Type1ProductConfigId serial: <filter>
    Mobo: HP model: 8486 v: 72.19 serial: <filter> UEFI: Insyde v: F.03
    date: 03/25/2018

    Network:
    Card-1: Realtek RTL8821CE 802.11ac PCIe Wireless Network Adapter
    driver: N/A port: 3000 bus ID: 01:00
    Card-2: NetGear WG111v2 54 Mbps Wireless [RealTek RTL8187L] type: USB
    driver: rtl8187 bus ID: 1:4
    IF: wlp0s20f0u2 state: up mac: <filter>
    IF-ID-1: virbr0 state: down mac: <filter>
    IF-ID-2: virbr0-nic state: down mac: <filter>


    From "Makefile" in source directory (rtl8821ce)

    export TopDIR ?= $(shell pwd)


    [bob@fred10 rtl8821ce]$ make all -d
    last few lines shown - full output in attached zip file:-

    Considering target file 'modules'.
    File 'modules' does not exist.
    Finished prerequisites of target file 'modules'.
    Must remake target 'modules'.
    make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.17.19-200.fc28.x86_64/build M=/home/bob/Drivers/rtl8821ce modules
    Putting child 0x555d692ad5b0 (modules) PID 6805 on the chain.
    Live child 0x555d692ad5b0 (modules) PID 6805
    GNU Make 4.2.1
    Built for x86_64-redhat-linux-gnu
    Copyright (C) 1988-2016 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.
    make[1]: *** /lib/modules/4.17.19-200.fc28.x86_64/build: No such file or directory. Stop.
    Reaping losing child 0x555d692ad5b0 PID 6805
    make: *** [Makefile:1902: modules] Error 2
    Removing child 0x555d692ad5b0 PID 6805 from chain.
    Attached Files Attached Files

  2. #2
    Join Date
    Jul 2010
    Location
    western PA
    Posts
    152
    Linux (Fedora) Firefox 61.0

    Re: wifi issue realtek rtl8821ce HP Pavilion

    Look up what additional kernel RPMs need to be installed to effectively build kernel modules. You probably need to install some additional kernel-* RPMs such as kernel-devel, kernel-headers, etc., kernel-tools, etc

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