QEMU not booting my image Post: 302485136

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Special Forums Hardware Filesystems, Disks and Memory QEMU not booting my image Post 302485136 by neur0n on Tuesday 4th of January 2011 10:52:44 AM

01-04-2011

Registered User

I used the instructions given by corona688 an obtained an image that produced this when executing the command:

Code:

#dd if=the_image.img bs=512 count=1 | xxd
0000000: eb48 9000 0000 0000 0000 0000 0000 0000  .H..............
0000010: 0000 0000 0000 0000 0000 0000 0000 0000  ................
0000020: 0000 0000 0000 0000 0000 0000 0000 0000  ................
0000030: 0000 0000 0000 0000 0000 0000 0000 0302  ................
0000040: ff00 0080 0100 0000 0008 faeb 07f6 c280  ................
0000050: 7502 b280 ea59 7c00 0031 c08e d88e d0bc  u....Y|..1......
0000060: 0020 fba0 407c 3cff 7402 88c2 52be 7f7d  . ..@|<.t...R..}
0000070: e834 01f6 c280 7454 b441 bbaa 55cd 135a  .4....tT.A..U..Z
0000080: 5272 4981 fb55 aa75 43a0 417c 84c0 7505  RrI..U.uC.A|..u.
0000090: 83e1 0174 3766 8b4c 10be 057c c644 ff01  ...t7f.L...|.D..
00000a0: 668b 1e44 7cc7 0410 00c7 4402 0100 6689  f..D|.....D...f.
00000b0: 5c08 c744 0600 7066 31c0 8944 0466 8944  \..D..pf1..D.f.D
00000c0: 0cb4 42cd 1372 05bb 0070 eb7d b408 cd13  ..B..r...p.}....
00000d0: 730a f6c2 800f 84ea 00e9 8d00 be05 7cc6  s.............|.
00000e0: 44ff 0066 31c0 88f0 4066 8944 0431 d288  D..f1...@f.D.1..
00000f0: cac1 e202 88e8 88f4 4089 4408 31c0 88d0  ........@.D.1...
0000100: c0e8 0266 8904 66a1 447c 6631 d266 f734  ...f..f.D|f1.f.4
0000110: 8854 0a66 31d2 66f7 7404 8854 0b89 440c  .T.f1.f.t..T..D.
0000120: 3b44 087d 3c8a 540d c0e2 068a 4c0a fec1  ;D.}<.T.....L...
0000130: 08d1 8a6c 0c5a 8a74 0bbb 0070 8ec3 31db  ...l.Z.t...p..1.
0000140: b801 02cd 1372 2a8c c38e 0648 7c60 1eb9  .....r*....H|`..
0000150: 0001 8edb 31f6 31ff fcf3 a51f 61ff 2642  ....1.1.....a.&B
0000160: 7cbe 857d e840 00eb 0ebe 8a7d e838 00eb  |..}.@.....}.8..
0000170: 06be 947d e830 00be 997d e82a 00eb fe47  ...}.0...}.*...G
0000180: 5255 4220 0047 656f 6d00 4861 7264 2044  RUB .Geom.Hard D
0000190: 6973 6b00 5265 6164 0020 4572 726f 7200  isk.Read. Error.
00001a0: bb01 00b4 0ecd 10ac 3c00 75f4 c300 0000  ........<.u.....
00001b0: 0000 0000 0000 0000 0000 0000 0000 2412  ..............$.
00001c0: 0f09 00be bd7d 31c0 cd13 468a 0c80 f900  .....}1...F.....
00001d0: 750f beda 7de8 cfff eb9d 466c 6f70 7079  u...}.....Floppy
00001e0: 00bb 0070 b801 02b5 00b6 00cd 1372 d7b6  ...p.........r..
00001f0: 01b5 4fe9 e6fe 0000 0000 0000 0000 55aa  ..O...........U.

But like I said I need to add files to the image, because I want to boot a kernel. However, this method does not allow me to do so.

neur0n

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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)