Well, I just rememembered that I have to install the flash kernel package before calling update-initramfs. So the hook was not there. Thanks for On Wed, 2010-10-06 at 19:40 -0700, Martin Michlmayr wrote: > * Tobias Frost <tobi@frost.de> [2010-10-07 00:06]: > > Can someone give me a pointer where to look? > > /usr/share/hooks/flash_kernel_set_root > > What does your /etc/fstab say? >