QEMU not booting my image Post: 302488020

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Special Forums Hardware Filesystems, Disks and Memory QEMU not booting my image Post 302488020 by Corona688 on Friday 14th of January 2011 02:20:51 PM

01-14-2011

Registered User

Quote:

Originally Posted by neur0n

Yea, they have a demo image. I don't intend to just boot a demo and stop there I want to know this stuff for when my project progresses.

...linux understands vfat. You can modify them. Smilie

Besides, have you even proven that your installation of qemu is willing to boot a known-good pist. floppy yet? You may be hitting a software incompatibility and not realizing.

I'd never have gotten anywhere making boot ISOs if I hadn't had one good, working example to look at. Having examined a working one, I was able to reverse-engineer it, and now can make them from scratch.. The same goes for initrds. For the boot process to work, everything has to be absolutely perfect because, if it doesn't work, it's mostly incapable of telling you why. The path of most resistance is not a winning plan.

Last edited by Corona688; 01-14-2011 at 03:32 PM..

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LEARN ABOUT REDHAT

mkbootdisk

MKBOOTDISK(8)						      System Manager's Manual						     MKBOOTDISK(8)

NAME

       mkbootdisk - creates a stand-alone boot floppy for the running system

SYNOPSIS

       mkbootdisk [--version] [--noprompt] [--verbose]
		  [--device devicefile] [--size size]
		  [--kernelargs <args>] [--iso] kernel

DESCRIPTION

       mkbootdisk  creates  a  boot  floppy  appropriate for the running system. The boot disk is entirely self-contained, and includes an initial
       ramdisk image which loads any necessary SCSI modules for the system. The created boot disk looks for the root filesystem on the device sug-
       gested by /etc/fstab.  The only required argument is the kernel version to put onto the boot floppy.

OPTIONS

       --device devicefile
	      The  boot image is created on devicefile. If --device is not specified, /dev/fd0 is used. If devicefile does not exist mkinitrd cre-
	      ates a 1.44Mb floppy image using devicefile as the filename.

       --noprompt
	      Normally, mkbootdisk instructs the user to insert a floppy and waits for confirmation before continuing. If --noprompt is specified,
	      no prompt is displayed.

       --verbose
	      Instructs mkbootdisk to talk about what it's doing as it's doing it. Normally, there is no output from mkbootdisk.

       --iso  Instructs mkbootdisk to make a bootable ISO image as devicefile.

       --version
	      Displays the version of mkbootdisk and exits.

       --kernelargs args
	      Adds  args  to the arguments appended on the kernel command line. If this is not specified mkbootdisk uses grubby to parse the argu-
	      ments for the default kernel from grub.conf, if possible.

       --size size
	      Uses ize (in kilobytes) as the size of the image to use for the boot disk.  If this is not specified, mkbootdisk will assume a stan-
	      dard 1.44Mb floppy device.

SEE ALSO

       grubby(8) mkinitrd(1)

AUTHOR

       Erik Troan <ewt@redhat.com>

4th Berkeley Distribution					  Tue Mar 31 1998						     MKBOOTDISK(8)