Pi3 B+ wifi firmware load error "failed with error -2"

Raspberry Pi 2

Pi3 B+ wifi firmware load error "failed with error -2"

Postby sdrider » Sun Mar 18, 2018 5:24 am

I just finished freshly installing Arch on a new Pi3 B+. It booted up on ethernet fine, but this pi is intended for a place where it will need wifi. I noticed wlan0 was not in 'ip addr' list. A quick check of dmesg showed the following error on boot:

$this->bbcode_second_pass_code('', 'brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.txt failed with error -2
')

Hunting around the interwebs (including this forum) turned up no obvious answers, although eventually the breadcrumbs led to the most obvious solution: find brcmfmac43455-sdio.txt and stick it somewhere the driver could find it. Fortunately I had a Pi3 running Raspbian, so I went hunting for the file there and found it in /lib/firmware/brcm. I copied it over to the same place on my fresh Arch install, reloaded the module and viola! Good to go.

Posting here so the next person to run into this error will hopefully find this post from Google and have a quick fix handy. Even better if one of the Arch devs can add this text file into the image for the Raspberry Pi so new users don't get this error at all.
sdrider
 
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Re: Pi3 B+ wifi firmware load error "failed with error -2"

Postby tracernz » Sun Mar 25, 2018 5:51 am

Have you read the information in the Wiki? It lists the available means to to setup broadcom drivers + binary-only firmware: https://wiki.archlinux.org/index.php/broadcom_wireless
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Re: Pi3 B+ wifi firmware load error "failed with error -2"

Postby ufo6000 » Mon Apr 02, 2018 10:22 am

no problem here on the new Pi3 B+.
I used the latest image:
$this->bbcode_second_pass_code('', '3e5595a4295674160830ee1661eed0bf ArchLinuxARM-rpi-2-latest.tar.gz 18-Mar-2018 06:39')

also I did a full pacman update before connecting wifi.
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