>> to install current PC models (with new Intel NICs) via Kickstart/PXE, I >> wanted to add the newest e1000e-Treiber to initrd.img. With this >> modified image, the Kickstart kernel crashes with the following error >> messages: > > Maybe you need to increase the memory allocated to ramdisk? by > default I use ramdisk_size=16384 as a kernel parameter for booting > the installer. with ramdisk_size=16384 the error message is: [...] md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. RAMDISK: Compressed image found at block 0 RAMDISK: incomplete write (-28 != 32768) 16777216 VFS: Cannot open root device "<NULL>" or unknown-block(253,3) Please append a correct "root=" boot option Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(253,3) There is probably an exact way to determine a valid ramdisk_size, buth which? :-} frank