On Wed, Nov 30, 2011 at 12:23:39PM -0800, Ezequiel García wrote:
Hi,
I have a very silly question. I was building a small hand made root filesystem (with busybox and such) just to show how the process would be done.
Something pretty similar to free-electrons 'embedded linux from scratch' (http://free-electrons.com/docs/elfs/) but on a usb device (pen-drive). So, I put me kernel, busybox and stuff and installed lilo onto the mbr.
The problem is when the kernels boots it can't find the usb partition (sdc1) to mount (i.e. the root device).
I know the usual way to do this is using initrd or similar, but I don't want to get that into the equation since the whole project is just for educational purposes and I want to keep things as simple as possible.
Then just pass the command line option to sleep for a while before looking for the root device. I do that just fine on my tiny dns server that runs from a USB flash drive. Look in Documentation/kernel-parameters.txt for the rootdelay= option for more details as to what to do. Hope this helps, greg k-h