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