[3680WKM, Conexant CX20585, Speaker, Internal] fails after a while

[René Gailliaert]

lenovo x201 ubuntu 16 lts; sound stops after playing normally

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
Uname: Linux 4.4.0-112-generic i686
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: toko 1909 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Feb 12 20:58:22 2018
InstallationDate: Installed on 2016-08-22 (539 days ago)
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386 (20140204)
JournalErrors:
 Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system.
       Users in the 'systemd-journal' group can see all messages. Pass -q to
       turn off this notice.
 No journal files were opened due to insufficient permissions.
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Intern geluid - HDA Intel MID
Symptom_Jack: Speaker, Internal
Symptom_PulseAudioLog:

Symptom_Type: Sound works for a while, then breaks
Title: [3680WKM, Conexant CX20585, Speaker, Internal] fails after a while
UpgradeStatus: Upgraded to xenial on 2017-12-01 (72 days ago)
dmi.bios.date: 02/24/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 6QET64WW (1.34 )
dmi.board.name: 3680WKM
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6QET64WW(1.34):bd02/24/2011:svnLENOVO:pn3680WKM:pvrThinkPadX201:rvnLENOVO:rn3680WKM:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 3680WKM
dmi.product.version: ThinkPad X201
dmi.sys.vendor: LENOVO