Thanks. The post you mention had the solution to my problem Athanassios -----Original Message----- From: Andre Costa [mailto:acosta@xxxxxxxxxxxxxxxxxxx] Sent: Tuesday, March 30, 2004 4:30 PM To: For users of Fedora Core releases Subject: Re: unresolved symbol schedule_work while building non SMP kernels ... I've seen this before. You have to manually create some files on the ALSA source tree before compiling it. Check out this post: http://www.linuxquestions.org/questions/showthread.php?postid=701246#post701 246 I guess newer kernels/ALSA fixed this (not sure though). HTH Andre -- Andre Oliveira da Costa