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wifi chipset not detected on rPi 3
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dervishe
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PostPosted: Wed Apr 06, 2016 12:15 am    Post subject: wifi chipset not detected on rPi 3 Reply with quote

i've install gentoo on a raspberry Pi 3. The version of the kernel sources is 4.1.20-v7+. All works fine except for the wifi. When i load the module brcmfmac, it is loaded without complaint but the wifi chips isn't recognize nor detected. For the kernel config, i use the one from the latest raspbian /proc/config.gz.
(I tried also with 4.2 and 4.3 kernels but no more result)
As with the raspbian, the chip is detected, i know it works. I get the several firmware from the package linux-firmware and i've got the one i need /lib/firmware/brcm/brcmfmac4330-sdio.bin
releveant lsmod content:
Code:
brcmfmac              177627  0
brcmutil                5493  1 brcmfmac
cfg80211              405047  1 brcmfmac
rfkill                 16028  1 cfg80211


Any idea ?
Thanks for your help
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chithanh
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PostPosted: Fri Apr 08, 2016 12:02 pm    Post subject: Reply with quote

Does dmesg say anything about your wifi? I think kernel 4.1 is too old for the wifi chip in the RPi 3.
Also, you need both brcmfmac43430-sdio.bin and brcmfmac43430-sdio.txt in /lib/firmware/brcm/

If it still doesn't work, try the precompiled 4.4 kernel image and modules from https://github.com/raspberrypi/firmware/tree/next
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dervishe
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PostPosted: Mon Apr 11, 2016 9:20 pm    Post subject: Reply with quote

Thanks for your reply.
dmesg just say:
Code:
usbcore: registered new interface driver brcmfmac

The strange thing is the raspbian use the 4.1 kernel. But i tried 4.2 and 4.3 too without more success...
i tries also to use the firmware files (.bin and .txt) from the latest raspbian but no more success
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chithanh
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PostPosted: Mon Apr 11, 2016 9:22 pm    Post subject: Reply with quote

I know for a fact that the 4.4 precompiled image works, because I used it on my RPi 3 and it detected the wireless chip properly.
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Marlo
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PostPosted: Fri Jul 08, 2016 4:04 pm    Post subject: Reply with quote

chithanh wrote:

...and it detected the wireless chip properly.


How can I install it?

Thx
ma
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chithanh
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PostPosted: Fri Jul 08, 2016 4:25 pm    Post subject: Reply with quote

You download the kernel image from the github link above and place it in the boot partition.
Also you need the kernel modules from the modules/ directory and place them in /lib/modules
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Marlo
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PostPosted: Fri Jul 08, 2016 4:41 pm    Post subject: Reply with quote

Thanks for the fast response.
I'll try it today.

thx
ma
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Marlo
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PostPosted: Sat Jul 09, 2016 11:04 am    Post subject: Reply with quote

No wireless interfaces found
:cry:
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NeddySeagoon
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PostPosted: Sat Jul 09, 2016 2:36 pm    Post subject: Reply with quote

Marlo,

You also need the firmware and brcmfmac43430-sdio.txt in /lib/firmware/brcm/
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Marlo
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PostPosted: Fri Jul 15, 2016 3:02 pm    Post subject: Reply with quote

I did this:
sudo apt-get update
sudo apt-get upgrade
sudo rpi-update
reboot

No wifi available.

I bought a new rp3, used the same MicroSD card aaaand
now it works again.

A hardware fault after 4 months use!
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