[SOLVED] Failed to start Load Kernel Modules @ rpi3

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[SOLVED] Failed to start Load Kernel Modules @ rpi3

Postby vladdrak » Fri Apr 29, 2016 11:48 am

after
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pacman -Syu
i get "Failed to start Load Kernel Modules" at boot time. also there's no sound either. anyone has a fix for this? this has been getting on my nerves for days now (previous installations) as i tried to avoid this by ignoring the kernel in pacman (also excluding it via yaourt), but it must've slipped through somehow.

Linux version 4.4.8-2-ARCH

plz help & feel free to ask for output.
thx in advance!

EDIT:
fix error msg
remove other entries than
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bcm2835_rng
in /etc/modules-load.d/raspberrypi.conf

unmess audio
add
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dtparam=audio=on
to /boot/config.txt
Last edited by vladdrak on Sun May 01, 2016 8:04 am, edited 7 times in total.
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Re: Failed to start Load Kernel Modules @ rpi3

Postby vladdrak » Sat Apr 30, 2016 7:23 am

thanks for your reply! that resolved the error message, but not the sound, alas, and alsamixer still yields "no such file or directory".
Last edited by vladdrak on Sun May 01, 2016 8:05 am, edited 1 time in total.
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Re: Failed to start Load Kernel Modules @ rpi3

Postby graysky » Sat Apr 30, 2016 2:10 pm

Well, the latest rpi2 image upstream does in fact supply /etc/module-load.d/rapberrypi.conf wanting to load both bcm2708-rng and snd-bcm2835. You can remove that file to prevent these errors. Note that version 4.4.8 of the kernel does not currently supply bcm2708-rng at all:

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% find /usr/lib/modules -name '*rng*'   
/usr/lib/modules/4.4.8-2-ARCH/kernel/drivers/char/hw_random/bcm2835-rng.ko.gz
/usr/lib/modules/4.4.8-2-ARCH/kernel/drivers/char/hw_random/rng-core.ko.gz
/usr/lib/modules/4.4.8-2-ARCH/kernel/crypto/ansi_cprng.ko.gz
/usr/lib/modules/4.4.8-2-ARCH/kernel/crypto/algif_rng.ko.gz


It does however still ship with snd-bcm2835:
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% find /usr/lib/modules -name 'snd-bcm*'
/usr/lib/modules/4.4.8-2-ARCH/kernel/sound/arm/snd-bcm2835.ko.gz
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Re: Failed to start Load Kernel Modules @ rpi3

Postby hmeyer » Sat Apr 30, 2016 9:51 pm

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Re: Failed to start Load Kernel Modules @ rpi3

Postby vladdrak » Sun May 01, 2016 7:33 am

that's it! thanks a bunch for your help, saved me from total nervous breakdown! :P
Last edited by vladdrak on Sun May 01, 2016 7:41 am, edited 1 time in total.
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Re: [SOLVED] Failed to start Load Kernel Modules @ rpi3

Postby graysky » Sun May 01, 2016 7:40 am

Don't forget about the Arch Wiki for RPi... https://wiki.archlinux.org/index.php/Raspberry_Pi#Audio
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Re: [SOLVED] Failed to start Load Kernel Modules @ rpi3

Postby vladdrak » Sun May 01, 2016 7:45 am

thanks, i'll definitely start my search there next time i run into something unexpected!
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