kernel rootfs

Kristoffer Ericson kristoffer.ericson at
Fri Dec 4 05:34:10 EST 2009

On Fri, 04 Dec 2009 11:35:30 +0800
Xiangfu Liu <xiangfu at> wrote:

> Hi Kristoffer
> Kristoffer Ericson wrote:
> > Greetings,
> > 
> > I ran into some issues running my custom made kernel. Is the bootloader assuming that there will be an
> > ramdisk? The rootfs that is flashed onto the NAND is that ramdisk/ordinary?
> no. bootloader don't assuming the ramdisk. then rootfs in NAND is UBIFS.

Oki. But the correct boot parameter should be? root=? And is this hardcoded
into kernel at compile time or does qemu pass it?

> > 
> > And if so, what device should it turn up as?
> > 
> > The error Im getting is that after extracting kernel it says returned to monitor or something similiar.
> when kernel boot. there should nothing in screen until the OPENWRT show up. 
> so if it returned to screen. the kernel not run. 

Yes, but Im using a vanilla kernel patched with the openwrt patches. I havent installed
the bootsplash.

> you can check the serial output for more info.

Yeah, I guess I will need it after all.

> > 
> -- 
> Xiangfu Liu
> Email: xiangfu at qi-hardware dot com
> Web:
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Kristoffer Ericson <kristoffer.ericson at>

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