[LAU] Alsa not finding soundcard

Florian Paul Schmidt mista.tapas at gmx.net
Wed Oct 5 10:43:39 CEST 2022

Hi Fons,

possibly the USB hardware in the two laptops is different. Since lsusb
picks the device up the next step would maybe to check if udev is
creating the right device nodes.

Try running

sudo udevadm monitor

on both devices and see if there are significant differences..

Kind regards,

On 10/5/2022 10:32 AM, Fons Adriaensen wrote:
> Hello all,
> A friend of mine, who is mainly a Windows user and has limited knowledge of
> Linux, has two HP laptops running Archlinux.
> One of them works perfectly with an RME Octamic-XTC. The other doesn't
> seem to detect it as a sound card (it doesn't show up in aplay -l).
> On both the RME is recognised as an USB device (by lsusb).
> I'm trying to help him fix this (remotely). We compared kernel and alsa
> versions, they are the same. In fact the two Linux installations should
> be identical, both had a full update before I shipped to two laptops
> to him.
> What could be the problem on the second PC ?
> TIA,


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