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ilko

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Local Time: Jun 16 2010, 12:54 PM 255 posts (0.23 per day)

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8 Mar 2010
Read Topic
Help for universal menu.lst entry for several Ubuntu versions
Trying to make an "universal" entry for Ubuntu/Kubuntu/Xubuntu versions from 8.04 till 9.10 and need some help.
Initrd file could be either /casper/initrd.lz for 9.10 or /casper/initrd.gz for older versions. Need to load whichever is present in /casper/.

Here is the first glitch- why initrd.gz is not found?


Next tried with this, don't get tricked by filenames, the screenshot above is for 9.04 rest is for 9.10.

CODE
title Start ubuntu-9.10-desktop-i386 LIVE from partition 0
map --unmap=0:0xff
map --unhook
root (hd0,0)
map /ubuntu/ubuntu-9.10-desktop-i386.iso (0xff) || map --mem /UBUNTU/ubuntu-9.10-desktop-i386.iso (0xff)
map --hook
root (0xff)
kernel /casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper iso-scan/filename=/UBUNTU/ubuntu-9.10-desktop-i386.iso quiet splash --
ls /casper/initrd.lz && initrd /casper/initrd.lz
ls /casper/initrd.lz || initrd /casper/initrd.gz
map --unmap=0:0xff
Result is "file not found, press any key to continue" message and back to main menu.

Next attempt:
CODE
title Start ubuntu-9.10-desktop-i386 LIVE from partition 0
map --unmap=0:0xff
map --unhook
root (hd0,0)
map /ubuntu/ubuntu-9.10-desktop-i386.iso (0xff) || map --mem /UBUNTU/ubuntu-9.10-desktop-i386.iso (0xff)
map --hook
root (0xff)
kernel /casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper iso-scan/filename=/UBUNTU/ubuntu-9.10-desktop-i386.iso quiet splash --
errorcheck off
ls /casper/initrd.lz && initrd /casper/initrd.lz
ls /casper/initrd.lz || initrd /casper/initrd.gz
errorcheck on
map --unmap=0:0xff
- Ubuntu starts, but initrd file is not loaded, resulting in kernel panic.

CODE
initrd /casper/initrd.gz || initrd /casper/initrd.lz
also didn't work loading /casper/initrd.lz
but
CODE
initrd /casper/initrd.lz || initrd /casper/initrd.gz
loaded /casper/initrd.lz :



Ended up with
CODE
title Start ubuntu-9.10-desktop-i386 LIVE from partition 0
map --unmap=0:0xff
map --unhook
root (hd0,0)
map /ubuntu/ubuntu-9.10-desktop-i386.iso (0xff) || map --mem /UBUNTU/ubuntu-9.10-desktop-i386.iso (0xff)
map --hook
root (0xff)
kernel /casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper iso-scan/filename=/UBUNTU/ubuntu-9.10-desktop-i386.iso quiet splash --
errorcheck off
initrd /casper/initrd.lz
initrd /casper/initrd.gz
errorcheck on
map --unmap=0:0xff
which I have doubts how correct is.

What am I doing wrong?
13 Jun 2009
Read Topic
grubinst.exe- write failed- Vista & NTFS bootsector
Just got a chance to play a bit with such system, where grubinst.exe fails to write bootsector on NTFS formatted partition.
OS is Vista 32bit SP2.


CMD is run as administrator, writing grub4dos MBR to the same disk is successful, so is writing BS to FAT32 partition on the same disk:

QUOTE
C:\Users\mute\Desktop\files\grub4dos>grubinst -v -l (hd1)
Partition list
# id base leng
0 0C 3F 7AFFC1 (3936M)

C:\Users\mute\Desktop\files\grub4dos>grubinst -v (hd1,0)
Start sector: 0x3F
Image type: FAT32
Install mode

C:\Users\mute\Desktop\files\grub4dos>
Grub4dos bootsector is written indeed.

Changing "optimize for removal" / "optimize for performance" did not help.
I have never experienced such behavior on XP SP2/3.

Any help with this, please?
25 Feb 2009
Read Topic
Translator, please
http://support.microsoft.com/kb/893239/en-us

QUOTE
You may receive a Stop error message on a blue screen when you start a Microsoft Windows Server 2003-based computer or a Microsoft Windows XP-based computer......
......
This issue occurs when the following conditions are true:

* There is a bad read from the CD-ROM device.
* There is a logic bug in the Imapi.sys file.
So, is the second condition true or not? hyper.gif

roll1.gif
16 Oct 2008
Read Topic
Can ImDisk be used during Text mode of XP Setup?
Hi,

First of all thanks for ImDisk, great tool, one of those you get used to in minutes and becomes part of your toolbox right away.

The issue- direct install of Windows XP/200x from USB is troublesome.

Easy way to make it behave just as from a CD, is to add these entries to txtsetup.sif:

SetupSourcePath = "\"
SetupSourceDevice = \device\harddisk1\partition1

http://www.msfn.org/board/Alternative-loca...et-t119742.html

The issue that \device\harddisk1\partition1 varies, USB disk doesn't always get harddisk1, for example having two or more internal disk or card readers USB disk might be seen as harddisk3 or 5.

The idea- load imdsk.sys along with the other text mode drivers and make it load an image with XP source in it.
Point Setup to use the virtual drive as source path- SetupSourceDevice = \device\ImDisk0

Is it doable at all?
How can we make imdisk.sys load our image without registry present? Migrate.inf is loaded and read by Setup, some entries could be added by it, but I guess it's too late- imdisk.sys is already loaded.

FYI if it helps- this works:
http://www.codeproject.com/KB/system/sovie...ct_hooking.aspx

dummydisk.sys loaded along scsi drivers does hook the query and makes USB removable disks to appear as fixed when Setup displays available disks.

In short:
1. Can imdisk be used that early
2. How can be set to load image file without using registry
3. Will the image occupy the same amount of RAM as it's size? If not- does image have to be contiguous on the hard disk like grub4dos needs?
4. If it can't be used, can you think of any other way to overcome the changing USB disk number? Any idea how Setup makes disk numbering?

Thanks in advance.
5 Oct 2008
Read Topic
grubinst and grubinst_gui fail if hd > 9
It seems grubinst.exe and grubinst_gui.exe refuse to accept more than 10 hard disks, i.e. fails with (hd10), (hd11) etc.
3 SATA hard drives, 2 USB card readers and target USB flash drive attached, which was connected last, becoming \\.\PHYSICALDRIVE11



QUOTE
D:\grub4dos>grubinst.exe -l -v (hd11)
grubinst: open: No error

D:\grub4dos>grubinst.exe -v -s=mbrdisk11.dat -t (hd11)
grubinst: open: No error




Using grubinst.exe from here (2008-06-29) and grubinst_gui.exe 1.1 / 2008-01-01

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