On 8/17/05, Ognjen Bezanov <[EMAIL PROTECTED]> wrote: > Hi all, > > Im building an x86 embedded distro using gentoo. Now i have been rather > successful. I have built the whole system and it works, while only > taking up 9mb (when gzipped). > > Now my question is how to get linux to load the gzipped image file into > a ramdisk and use it as a root filesystem. > > Running the system directly from the CF card works great, but when > trying to get it to run it in ram it fails > with "kernel panic: VFS: Unable to mount root fs on unknown-block(1,0)". > > My attempt at running the system from ram is as follows: > > (grub config file): > > kernel /vmlinuz initrd=/rootfs.gz root=/dev/ram0 > > the rootfs.gz file is ~10Mb, and when uncompressed is an 100mb image > (most of the image is free space to > allow for future additions, this is a test bed). > > > Now I presume this is probably what is incorrect, in which case can > anyone help me regarding how to use > ramdisks as root devices. (googling about tells me that the initrd image > is not the root image, but rather > a pre-root mounting fs to prepare the system for booting). >
I'm not in front of my linux box right now, but try this for a grub config: kernel /vmlinuz root=/rootfs.gz HTH, Matt -- gentoo-user@gentoo.org mailing list
