LMDE64 XFCE sound stuttering, ALSA pulseaudio

[Galen Thurber]

sound stutters and skips under vlc, banshee, mplayer ....
no CPU intensive apps running and error does not happen under other Linux on same hardware.

user.log

Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: snd_pcm_avail() returned a value that is exceptionally large: 1076672 bytes (5607 ms).
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_intel8x0'. Please report this issue to the ALSA developers.
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: snd_pcm_dump():
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: Hardware PCM card 0 'NVidia CK8S' device 0 subdevice 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: Its setup is:
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: stream : PLAYBACK
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: access : MMAP_INTERLEAVED
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: format : S16_LE
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: subformat : STD
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: channels : 2
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: rate : 48000
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: exact rate : 48000 (48000/1)
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: msbits : 16
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: buffer_size : 16384
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_size : 16384
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_time : 341333
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: tstamp_mode : ENABLE
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_step : 1
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: avail_min : 16384
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_event : 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: start_threshold : -1
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: stop_threshold : 4611686018427387904
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: silence_threshold: 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: silence_size : 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: boundary : 4611686018427387904
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: appl_ptr : 41342280
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: hw_ptr : 41598976
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: snd_pcm_delay() returned a value that is exceptionally large: -869600 bytes (-4529 ms).
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_intel8x0'. Please report this issue to the ALSA developers.
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: snd_pcm_dump():
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: Hardware PCM card 0 'NVidia CK8S' device 0 subdevice 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: Its setup is:
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: stream : PLAYBACK
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: access : MMAP_INTERLEAVED
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: format : S16_LE
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: subformat : STD
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: channels : 2
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: rate : 48000
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: exact rate : 48000 (48000/1)
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: msbits : 16
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: buffer_size : 16384
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_size : 16384
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_time : 341333
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: tstamp_mode : ENABLE
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_step : 1
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: avail_min : 16384
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: period_event : 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: start_threshold : -1
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: stop_threshold : 4611686018427387904
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: silence_threshold: 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: silence_size : 0
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: boundary : 4611686018427387904
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: appl_ptr : 41385480
Jan 22 15:56:00 west-desktop pulseaudio[1955]: alsa-util.c: hw_ptr : 41602880
Jan 22 15:56:01 west-desktop pulseaudio[1955]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jan 22 15:56:01 west-desktop pulseaudio[1955]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_intel8x0'. Please report this issue to the ALSA developers.
Jan 22 15:56:01 west-desktop pulseaudio[1955]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jan 23 11:42:19 west-desktop pulseaudio[1955]: asyncq.c: q overrun, queuing locally
...