Hello, after 7 hours of trying I realized that my Slack had still the old 2.4.20 kernel headers installed. After an upgrade to headers of 2.4.21 it worked at once. Sorry for eating up your time. Sebastian
Hello, after 7 hours of trying I realized that my Slack had still the old 2.4.20 kernel headers installed. After an upgrade to headers of 2.4.21 it worked at once. Sorry for eating up your time. Sebastian