Inconsistent audio - comes & goes - occasionally interrupted

card 0: Intel [HDA Intel], device 1: ALC887 Digital [ALC887 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 2: ALC887 Analog [ALC887 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [Intel]

Card hw:0 'Intel'/'HDA Intel at 0xd5200000 irq 16'
  Mixer name : 'Realtek ALC887'
  Components : 'HDA:10ec0887,1458a002,00100202'
  Controls : 41
  Simple ctrls : 23
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pswitch penum
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'PCM',0
  Capabilities: pvolume penum
  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 'Front',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [on]
  Front Right: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'Front Mic',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'Front Mic Boost',0
  Capabilities: volume penum
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 3 [100%]
  Front Right: 3 [100%]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [on]
  Front Right: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'Side',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [on]
  Front Right: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'CD',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'Mic Boost',0
  Capabilities: volume penum
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 3 [100%]
  Front Right: 3 [100%]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined cswitch cswitch-joined penum
  Playback channels: Mono
  Capture channels: Mono
  Mono: Playback [off] Capture [off]
Simple mixer control 'IEC958 Default PCM',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Beep',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 31 [100%] [30.00dB] [on]
  Front Right: Capture 31 [100%] [30.00dB] [on]
Simple mixer control 'Capture',1
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 31 [100%] [30.00dB] [off]
  Front Right: Capture 31 [100%] [30.00dB] [off]
Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '6ch' '8ch'
  Item0: '6ch'
Simple mixer control 'Digital',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 120
  Front Left: Capture 60 [50%] [0.00dB]
  Front Right: Capture 60 [50%] [0.00dB]
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'Mic'
Simple mixer control 'Input Source',1
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'Mic'

!!Alsactl output
!!-------------

--startcollapse--
state.Intel {
 control.1 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -4650
  comment.dbmax 0
  iface MIXER
  name 'Front Playback Volume'
  value.0 31
  value.1 31
 }
 control.2 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Front Playback Switch'
  value.0 true
  value.1 true
 }
 control.3 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -4650
  comment.dbmax 0
  iface MIXER
  name 'Surround Playback Volume'
  value.0 31
  value.1 31
 }
 control.4 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Surround Playback Switch'
  value.0 true
  value.1 true
 }
 control.5 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 31'
  comment.dbmin -4650
  comment.dbmax 0
  iface MIXER
  name 'Center Playback Volume'
  value 31
 }
 control.6 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 31'
  comment.dbmin -4650
  comment.dbmax 0
  iface MIXER
  name 'LFE Playback Volume'
  value 31
 }
 control.7 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Center Playback Switch'
  value true
 }
 control.8 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'LFE Playback Switch'
  value true
 }
 control.9 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -4650
  comment.dbmax 0
  iface MIXER
  name 'Side Playback Volume'
  value.0 31
  value.1 31
 }
 control.10 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Side Playback Switch'
  value.0 true
  value.1 true
 }
 control.11 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Headphone Playback Switch'
  value.0 false
  value.1 false
 }
 control.12 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -3450
  comment.dbmax 1200
  iface MIXER
  name 'CD Playback Volume'
  value.0 31
  value.1 31
 }
 control.13 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'CD Playback Switch'
  value.0 true
  value.1 true
 }
 control.14 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -3450
  comment.dbmax 1200
  iface MIXER
  name 'Line Playback Volume'
  value.0 31
  value.1 31
 }
 control.15 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Line Playback Switch'
  value.0 true
  value.1 true
 }
 control.16 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -3450
  comment.dbmax 1200
  iface MIXER
  name 'Mic Playback Volume'
  value.0 31
  value.1 31
 }
 control.17 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 3'
  comment.dbmin 0
  comment.dbmax 3000
  iface MIXER
  name 'Mic Boost'
  value.0 3
  value.1 3
 }
 control.18 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Mic Playback Switch'
  value.0 true
  value.1 true
 }
 control.19 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -3450
  comment.dbmax 1200
  iface MIXER
  name 'Front Mic Playback Volume'
  value.0 31
  value.1 31
 }
 control.20 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 3'
  comment.dbmin 0
  comment.dbmax 3000
  iface MIXER
  name 'Front Mic Boost'
  value.0 3
  value.1 3
 }
 control.21 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Front Mic Playback Switch'
  value.0 true
  value.1 true
 }
 control.22 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 '6ch'
  comment.item.1 '8ch'
  iface MIXER
  name 'Channel Mode'
  value '6ch'
 }
 control.23 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Capture Switch'
  value.0 true
  value.1 true
 }
 control.24 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Capture Switch'
  index 1
  value.0 false
  value.1 false
 }
 control.25 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -1650
  comment.dbmax 3000
  iface MIXER
  name 'Capture Volume'
  value.0 31
  value.1 31
 }
 control.26 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -1650
  comment.dbmax 3000
  iface MIXER
  name 'Capture Volume'
  index 1
  value.0 31
  value.1 31
 }
 control.27 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 Mic
  comment.item.1 'Front Mic'
  comment.item.2 Line
  comment.item.3 CD
  iface MIXER
  name 'Input Source'
  value Mic
 }
 control.28 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 Mic
  comment.item.1 'Front Mic'
  comment.item.2 Line
  comment.item.3 CD
  iface MIXER
  name 'Input Source'
  index 1
  value Mic
 }
 control.29 {
  comment.access read
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Con Mask'
  value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.30 {
  comment.access read
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Pro Mask'
  value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.31 {
  comment.access 'read write'
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Default'
  value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.32 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Switch'
  value false
 }
 control.33 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'IEC958 Default PCM Playback Switch'
  value false
 }
 control.34 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'IEC958 Capture Switch'
  value false
 }
 control.35 {
  comment.access read
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Capture Default'
  value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.36 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 31'
  comment.dbmin -3450
  comment.dbmax 1200
  iface MIXER
  name 'Beep Playback Volume'
  value.0 0
  value.1 0
 }
 control.37 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Beep Playback Switch'
  value.0 false
  value.1 false
 }
 control.38 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 31'
  comment.dbmin -4650
  comment.dbmax 0
  iface MIXER
  name 'Master Playback Volume'
  value 31
 }
 control.39 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Master Playback Switch'
  value true
 }
 control.40 {
  comment.access 'read write user'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 255'
  comment.tlv '0000000100000008ffffec1400000014'
  comment.dbmin -5100
  comment.dbmax 0
  iface MIXER
  name 'PCM Playback Volume'
  value.0 255
  value.1 255
 }
 control.41 {
  comment.access 'read write user'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 120'
  comment.tlv '0000000100000008fffff44800000032'
  comment.dbmin -3000
  comment.dbmax 3000
  iface MIXER
  name 'Digital Capture Volume'
  value.0 60
  value.1 60
 }
}
--endcollapse--

!!All Loaded Modules
!!------------------

Module
binfmt_misc
vboxnetadp
vboxnetflt
vboxdrv
snd_hda_codec_realtek
snd_hda_intel
snd_hda_codec
snd_pcm_oss
snd_mixer_oss
ac97_bus
snd_util_mem
snd_hwdep
snd_pcm
snd_seq_dummy
snd_seq_oss
snd_seq_midi
snd_rawmidi
ipt_REJECT
ipt_LOG
xt_multiport
snd_seq_midi_event
xt_limit
xt_tcpudp
ipt_addrtype
snd_seq
xt_state
snd_timer
snd_seq_device
ip6table_filter
ip6_tables
nf_nat_irc
nf_conntrack_irc
nf_nat_ftp
nf_nat
nf_conntrack_ipv4
nf_defrag_ipv4
nf_conntrack_ftp
snd
ppdev
nf_conntrack
snd_page_alloc
parport_pc
emu10k1_gp
usb_storage
iptable_filter
nvidia
soundcore
fbcon
tileblit
font
bitblit
softcursor
gameport
ip_tables
intel_agp
serio_raw
x_tables
ndiswrapper
agpgart
vga16fb
vgastate
lp
parport
usbhid
hid
raid10
raid456
async_raid6_recov
async_pq
raid6_pq
async_xor
floppy
xor
async_memcpy
async_tx
ohci1394
raid1
raid0
r8169
multipath
mii
ieee1394
linear

!!Sysfs Files
!!-----------

/sys/class/sound/hwC0D2/init_pin_configs:
0x11 0x411110f0
0x12 0x411111f0
0x14 0x01014410
0x15 0x411111f0
0x16 0x411111f0
0x17 0x411111f0
0x18 0x01a19c40
0x19 0x02a19c50
0x1a 0x0181344f
0x1b 0x02214c20
0x1c 0x593301f0
0x1d 0x4005c603
0x1e 0x014b6130
0x1f 0x01cb7160

/sys/class/sound/hwC0D2/driver_pin_configs:

/sys/class/sound/hwC0D2/user_pin_configs:

/sys/class/sound/hwC0D2/init_verbs:

!!ALSA/HDA dmesg
!!------------------

               70662 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 1338 0
snd_seq_oss 26726 0
snd_seq_midi 4557 0
snd_rawmidi 19056 1 snd_seq_midi
snd_seq_midi_event 6003 2 snd_seq_oss,snd_seq_midi
snd_seq 47263 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 19098 2 snd_pcm,snd_seq
snd_seq_device 5700 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 54148 16 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_hwdep,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 7076 2 snd_hda_intel,snd_pcm
soundcore 6620 1 snd