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Broadcom BCM4352 not working. [Solved]
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pranavpalliyil
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Joined: 13 Oct 2021
Posts: 9

PostPosted: Wed Oct 13, 2021 1:46 pm    Post subject: Broadcom BCM4352 not working. [Solved] Reply with quote

I am new to Gentoo, and this is the first time I have installed it on my Dell Precision M4800. I have Broadcom BCM4352 wifi but I cannot get Wi-Fi to work. I have tried configuring the kernel a couple of times and have even.then I havent been very lucky.

I see my card when i use lspci -k:

Code:
03:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4352 802.11ac Wireless Network Adapter (rev 03)
        Subsystem: Dell BCM4352 802.11ac Wireless Network Adapter
        Kernel driver in use: bcma-pci-bridge
        Kernel modules: bcma, wl

But when I try ifconfig this is the reply:

Code:
eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.10  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::236e:d411:fa26:e504  prefixlen 64  scopeid 0x20<link>
        ether 20:47:47:ab:fc:72  txqueuelen 1000  (Ethernet)
        RX packets 12403  bytes 12461812 (11.8 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 6054  bytes 964520 (941.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 20  memory 0xf7a00000-f7a20000

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

This is the output of dmesg:

https://pastebin.com/uskQJrNp

Any help would be greatly appreciated. I am new to Gentoo and I am very excited to learn through this OS. Thank you



Edit: I just had to disable B4xxx drivers that were conflicting.
[Moderator edit: added [code] tags to preserve output layout. -Hu]


Last edited by pranavpalliyil on Wed Oct 13, 2021 5:24 pm; edited 1 time in total
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alamahant
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Joined: 23 Mar 2019
Posts: 2000

PostPosted: Wed Oct 13, 2021 2:53 pm    Post subject: Reply with quote

Plz try
Code:

emerge -av broadcom-sta linux-firmware
rfkill list ### to check if wifi is blocked

If it still doesnt work then try if it works when you boot into a livecd.
If it does then it is a kernel and/or initrd thing.
In that case emerge

gentoo-kernel-bin

and see if it works.
If yes then you will have to work on your kernel .config
_________________
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Hu
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Joined: 06 Mar 2007
Posts: 18094

PostPosted: Wed Oct 13, 2021 3:17 pm    Post subject: Reply with quote

Are you expecting that ifconfig should show the wireless device? Remember that a bare ifconfig does not show interfaces that are down. It's possible that your wireless interface is working, but you never configured a client for it to acquire an address and bring the interface up. If you still need help, please show the output of ip a and tell us what wireless client you are using. wpa_supplicant is popular.
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