[Bug 1591485] [NEW] after update from kubuntu 15.10 to 16.04 soundcard isn't recognized any longer

[Launchpad Bug Tracker]

You have been subscribed to a public bug:

Using Kubuntu 15.10 my sound system works well on my Thinkpad L520.
After upgrading to 16.04 the sound device isn't recognized any longer.
"aplay -l" reports that there is no sound device. lspci reports for the
type of the device:

00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
Family High Definition Audio Controller (rev 04)

The following modules are loaded:

lsmod|grep snd
snd_hda_codec_realtek    81920  2
snd_hda_codec_generic    77824  1 snd_hda_codec_realtek
snd_hda_intel          36864  0
snd_hda_codec         135168  3 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_intel
snd_hda_core           73728  4 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep              16384  1 snd_hda_codec
snd_pcm               106496  3 snd_hda_codec,snd_hda_intel,snd_hda_core
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_rawmidi            32768  1 snd_seq_midi
snd_seq                69632  2 snd_seq_midi_event,snd_seq_midi
snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer              32768  2 snd_pcm,snd_seq
snd                    81920  10 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
soundcore              16384  1 snd


lsb_release -rd
Description:    Ubuntu 16.04 LTS
Release:        16.04

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

-- 
after update from kubuntu 15.10 to 16.04 soundcard isn't recognized any longer
https://bugs.launchpad.net/bugs/1591485
You received this bug notification because you are a member of Ubuntu Foundations Bugs, which is subscribed to ubuntu-release-upgrader in Ubuntu.