Answers for three questions is yes I put also /home/robihun/alsa/alsa-lib-1.0.14a/ in adjacent to /home/robihun/alsa/alsa-driver-1.0.14/ Also there are folders /usr/src/linux-headers-2.6.20-15 /usr/src/linux-headers-2.6.20-15-generic Synaptic Package Manager shows me that binutils is installed -----Original Message----- From: Marvin Stodolsky [mailto:marvin.stodolsky@xxxxxxxxx] Sent: Friday, October 12, 2007 9:54 AM To: Robikhun (robihun) Cc: Linmodems Subject: Re: Update to alsa-1.0.14 RE: > Is working folder very important on successful update? No, /home/robihun/alsa/alsa-driver-1.0.14/ should be OK Is the /home/robihun/alsa/alsa-lib-1.0.14a/ resident too? Are there folders: $ ls -d /usr/src/l* /usr/src/linux-headers-2.6.20-15 /usr/src/linux-headers-2.6.20-15-generic Is the binutils package installed? If do there should be an output of $ ld --version GNU ld version 2.17.50 20070103 Ubuntu etc MarvS