Re: Qemu host drive basics.
From: Nate Bargmann <n0nb@n0nb.us>
Date: Thu, 20 Nov 2014 06:15:18 -0600
> I'm curious if you can read the floppy directory contents using the
> 'mdir' command from the mtools package? If you can do that as peter,
> then that may point to a problem with qemu. Just a thought.
This is for a MS-DOS 5.0 installer diskette.
peter@armada:/media/floppy0$ mdir
Volume in drive A is DISK 1
Volume Serial Number is 0C74-0EEB
Directory for A:/
COMMAND COM 47845 1991-11-11 5:00
AUTOEXEC BAT 36 1991-11-11 5:00
CONFIG SYS 13 1991-11-11 5:00
COUNTRY SYS 17069 1991-11-11 5:00
EGA SY_ 4107 1991-11-11 5:00
FORMAT COM 33087 1991-11-11 5:00
KEYB COM 14986 1991-11-11 5:00
KEYBOARD SYS 34697 1991-11-11 5:00
NLSFUNC EXE 7052 1991-11-11 5:00
SETUP EXE 73860 1991-11-11 5:00
SETUP INI 1975 1991-11-11 5:00
CV COM 716 1991-11-11 5:00
README 1ST 452 1991-11-11 5:00
DISPLAY SY_ 11186 1991-11-11 5:00
EGA CP_ 19714 1991-11-11 5:00
HIMEM SY_ 7916 1991-11-11 5:00
MODE CO_ 16834 1991-11-11 5:00
SETVER EX_ 7448 1991-11-11 5:00
ANSI SY_ 7185 1991-11-11 5:00
DEBUG EX_ 16898 1991-11-11 5:00
EDLIN EX_ 10441 1991-11-11 5:00
EMM386 EX_ 47605 1991-11-11 5:00
FASTOPEN EX_ 8927 1991-11-11 5:00
FDISK EXE 57224 1991-11-11 5:00
MEM EX_ 29726 1991-11-11 5:00
MIRROR CO_ 12811 1991-11-11 5:00
RAMDRIVE SY_ 3765 1991-11-11 5:00
SHARE EX_ 9312 1991-11-11 5:00
SMARTDRV SY_ 6295 1991-11-11 5:00
SYS CO_ 9672 1991-11-11 5:00
UNDELETE EX_ 9399 1991-11-11 5:00
UNFORMAT COM 18576 1991-11-11 5:00
XCOPY EX_ 11879 1991-11-11 5:00
DOSKEY CO_ 4730 1991-11-11 5:00
8514 VI_ 7305 1991-11-11 5:00
CGA GR_ 1768 1991-11-11 5:00
CGA IN_ 3330 1991-11-11 5:00
CGA VI_ 6920 1991-11-11 5:00
DOSSHELL CO_ 2231 1991-11-11 5:00
DOSSHELL EX_ 156431 1991-11-11 5:00
DOSSWAP EX_ 15492 1991-11-11 5:00
EGA GR_ 2729 1991-11-11 5:00
EGA IN_ 3333 1991-11-11 5:00
EGA VI_ 7012 1991-11-11 5:00
EGAMONO GR_ 2564 1991-11-11 5:00
HERC GR_ 1809 1991-11-11 5:00
HERC VI_ 6998 1991-11-11 5:00
MONO GR_ 301 1991-11-11 5:00
MONO IN_ 2990 1991-11-11 5:00
PACKING LST 2381 1991-11-11 5:00
PRINT EX_ 11061 1991-11-11 5:00
VGA GR_ 3593 1991-11-11 5:00
VGA VI_ 7236 1991-11-11 5:00
VGAMONO GR_ 3605 1991-11-11 5:00
APPNOTES TXT 8369 1991-11-11 5:00
DOSHELP HL_ 2844 1991-11-11 5:00
DOSSHELL HL_ 54344 1991-11-11 5:00
EDIT HL_ 17419 1991-11-11 5:00
HELP EX_ 8534 1991-11-11 5:00
RECOVER EX_ 7561 1991-11-11 5:00
DOS <DIR> 1996-09-01 8:24
61 files 911 598 bytes
456 192 bytes free
> Perhaps using dd to make a raw image of the floppy and having qemu boot
> from that may be an alternative.
There are two bootable diskettes here. One is the MS-DOS 5.0
installer which gives the mdir above. The other is an
Oberon0 installer. Machines here cold boot from each.
The qemu virtual system boots from each image.
sudo qemu-system-i386 -fda ~/disketteImageFile -vga std -boot a
The qemu virtual system fails to boot from each diskette
as a host device.
sudo qemu-system-i386 -fda /dev/fd0 -vga std -boot a
A bug report is warranted.
Thanks for the help, ... Peter E.
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Tel +1 360 639 0202 http://carnot.yi.org/ Bcc: peter at easthope. ca
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