Here is the output from the FAILING test case, the installed Lubuntu
system with the symptoms described above
upload=true=true=
!!
!!ALSA Information Script v 0.4.64
!!
!!Script ran on: Tue Oct 20 13:46:49 UTC 2015
!!Linux Distribution
!!--
Ubuntu Wily Werewolf (development branch) \n \l DISTRIB_ID=Ubuntu
DISTRIB_DESCRIPTION="Ubuntu Wily Werewolf (development branch)"
NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu Wily Werewolf
(development branch)" HOME_URL="http://www.ubuntu.com/;
SUPPORT_URL="http://help.ubuntu.com/;
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/;
!!DMI Information
!!---
Manufacturer: ASUSTeK Computer INC.
Product Name: 1011PX
Product Version: x.x
Firmware Version: 1301
!!Kernel Information
!!--
Kernel release:4.2.0-16-generic
Operating System: GNU/Linux
Architecture: i686
Processor: i686
SMP Enabled: Yes
!!ALSA Version
!!
Driver version: k4.2.0-16-generic
Library version:1.0.29
Utilities version: 1.0.29
!!Loaded ALSA modules
!!---
snd_hda_intel
!!Sound Servers on this system
!!
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
!!Soundcards recognised by ALSA
!!-
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xf7cf8000 irq 29
!!PCI Soundcards installed in the system
!!--
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition
Audio Controller (rev 02)
!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!---
00:1b.0 0403: 8086:27d8 (rev 02)
Subsystem: 1043:8437
--
Prefetchable memory behind bridge: 4020-403f
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- ../controlC0
!!Aplay/Arecord output
!!
APLAY
List of PLAYBACK Hardware Devices
card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
ARECORD
List of CAPTURE Hardware Devices
card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
!!Amixer output
!!-
!!---Mixer controls for card 0 [Intel]
Card hw:0 'Intel'/'HDA Intel at 0xf7cf8000 irq 29'
Mixer name: 'Realtek ALC269VB'
Components: 'HDA:10ec0269,10438437,00100100'
Controls : 20
Simple ctrls : 10
Simple mixer control 'Master',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 87
Mono: Playback 87 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 87
Mono:
Front Left: Playback 0 [0%] [-65.25dB] [off]
Front Right: Playback 0 [0%] [-65.25dB] [off]
Simple mixer control 'Headphone Mic',0
Capabilities: pvolume pswitch cswitch cswitch-joined cswitch-exclusive
Capture exclusive group: 0
Playback channels: Front Left - Front Right
Capture channels: Mono
Limits: Playback 0 - 31
Mono: Capture [off]
Front Left: Playback 0 [0%] [-34.50dB] [off]
Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Headphone Mic Boost',0
Capabilities: volume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 3
Front Left: 0 [0%] [0.00dB]
Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 87
Mono:
Front Left: Playback 87 [100%] [0.00dB] [on]
Front Right: Playback 87 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 255 [100%] [0.00dB]
Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 31
Front Left: Capture 19 [61%] [12.00dB] [on]
Front Right: Capture 19 [61%] [12.00dB] [on]
Simple mixer control 'Auto-Mute Mode',0
Capabilities: enum
Items: 'Disabled' 'Enabled'
Item0: 'Enabled'
Simple mixer control 'Internal Mic',0
Capabilities: cswitch cswitch-joined cswitch-exclusive
Capture exclusive group: 0
Capture channels: Mono
Mono: Capture [on]
Simple mixer control 'Internal Mic Boost',0
Capabilities: volume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 3
Front Left: 0 [0%] [0.00dB]
Front Right: 0 [0%] [0.00dB]
!!Alsactl output
!!--
--startcollapse--
state.Intel {
control.1 {
