However, I still could not install the new kernel. A downgrade to kernel 1 worked. An upgrade not: dpkg -i kernel kernel-dt-sd_2.6.21-3_all.deb Reading database... Preparing to replace kernel-dt-sd 2.6.21-1 (using kernel-dt-sd_2.6.21-3_all.deb)... Unpacking replacement... Setting up kernel kernel-dt-sd (2.6.21-1) Installing new kernel modules in initfs... Flashing new kernel image... Image(s) successfully flashed Kernel image flashed Please reboot Any hints?