[LinuxBIOS] Question about QEMU & FILO

Erwan Velu erwan at seanodes.com
Fri Dec 7 16:01:20 CET 2007

Marc Karasek a écrit :
> I am trying to get a system up using QEMU.  I have compiled LinuxBIOS 
> with Filo as a payload.
> I followed the steps on the wiki about making a harddrive image,  I had 
> to make it a bit bigger than 200M though. 
> When I "boot" the system,  it finds the kernel and the initrd image, but 
> then when it gets a bit further it seems to have a problem with finding 
> the harddrive image to boot from .  Although it has already fetched the 
> kernel and initrd from the image.
> Any pointers would be appreciated.
> Waiting for driver initialization.
> Loading ata_generic.ko module
> Trying to resume from LABEL=SWAP-sda2
> Unable to access resume device (LABEL=SWAP-sda2)
> Creating root device.
> Mounting root filesystem.
> mount: could not find filesystem '/dev/root'
> Setting up other filesystems.
> Setting up new root fs
> setuproot: moving /dev failed: No such file or directory
> no fstab.sys, mounting internal defaults
> setuproot: error mounting /proc: No such file or directory
> setuproot: error mounting /sys: No such file or directory
> Switching to new root and running init.
> unmounting old /dev
> unmounting old /proc
> unmounting old /sys
> switchroot: mount failed: No such file or directory
> Booting has failed.
Qemu is emulating some ide disks, so you must have some root=/dev/hdax 
on your command line instead of /dev/sdax
About the kernel modules, you must have the piix kernel module loaded in 
the initrd.
Please check your /etc/modprobe.conf for that and redo the initrd with 

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