Release Found: Red Hat Enterprise Linux 4
This is a known problem in the existing ALSA (Advanced Linux Sound Architecture) audio driver in Red Hat Enterprise Linux which prevents the record function from working correctly. This issue has been reported to engineering. The newer driver is tested to work correctly and eliminates this problem. Dell recommends the use of the newer driver from their support web site to address this issue:
Note: The information is provided as-is and any configuration settings or installed applications made from the information in this article could make your Operating System unsupported by Red Hat Support Services. The intent of this article is to provide you with information to accomplish your system needs. Use the information in this article at your own risk.