FAQ030
From the ALSA wiki
| The FAQs have been reorganized. The new location of this question is FAQ#I am seeing (and hearing) xruns whenever the hard disk is accessed |
I am seeing (and hearing) xruns whenever the hard disk is accessed
hdparm -d1 /dev/hda
might help if there are lots of xruns (and you hear noise instead of music) when the hard disk is accessed.