Public bug reported:
After a routine software update (which updated the kernel) alsa
recognises no sound card although lspci reports an audio device: Audio
device: Intel Corporation 8 Series HD Audio Controller (rev 04).
$ uname -a
Linux 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27 10:45:36 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
$ aplay -l
aplay: device_list:268: no soundcards found...
$ dmesg | grep snd
[ 4.794976] snd_hda_core: version magic '3.13.0-143-generic SMP mod_unload
modversions ' should be '3.13.0-143-generic SMP mod_unload modversions
retpoline '
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: Confirmed
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1756506
Title:
snd_hda_intel module rejected by new kernel with retpoline
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