Hello Richard, On Wed, Jul 02, 2025 at 10:54:28PM +0200, Richard wrote: > unbinding and binding does cause the device to disappear and reappear > as card0 in /sys/class/sound/, but nothing more as far as I can tell. That might be a hint that userspace is also involved in the problem. Does `aplay -l` still list the same devices as in the good state? Does systemctl soft-reboot also cure the problem? > cd -P /sys/devices/pci0000\:00/0000\:00\:08.1/0000\:c1\:00.3/driver > echo 0000:c1:00.3 > unbind > echo 0000:c1:00.3 > bind > > This in fact does seem to remove something higher up the chain, as it > kills both keyboard and fingerprint sensor, which are both on bus 1, > only keeping the touchpad operational, which doesn't seem to show up > as a dedicated device on either lsusb or lspci. But even rebinding > that driver doesn't allow for the audio module to come back up fully. Yes, that removes the USB controller, so all devices plugged into that disappear. Best regards Uwe
Attachment:
signature.asc
Description: PGP signature