Comment 2 for bug 274424

Same symptoms: sound echos or skips.

sudo lshw -C multimedia
  *-multimedia
       description: Audio device
       product: 82801I (ICH9 Family) HD Audio Controller
       vendor: Intel Corporation
       physical id: 1b
       bus info: pci@0000:00:1b.0
       version: 03
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=HDA Intel latency=0 module=snd_hda_intel

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

alsa-info.sh
http://www.alsa-project.org/db/?f=6e79892ddf7287b2676a7d5a69aa347e16a9cc02