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From: Rugxulo <rugxulo AT gmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: strange problem with disk operations
Date: Mon, 13 Jul 2009 14:28:10 -0700 (PDT)
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Hi,

On Jul 13, 4:06=A0am, paravashu <parava DOT  DOT  DOT  AT gmail DOT com> wrote:
>
> DJGPP 2.03p2 or 2.04?
> guess version 2.02...(how can I verify it?) ..opened in notepad and
> seen something like v2.02

I doubt it's really 2.02 here (else you should upgrade). Check your /
manifest/djdev20*.* files. But anyways, it's probably 2.03p2 (still
suggested by Zip Picker) since that also uses the "2.02" stub.

> 2. Pure Dos...no TSRs no drivers nothing...

Hmmm, interesting.

> the problem occures with any USB pen drive.

What is the max. size pen drive you tested? What DOS vendor / version?
Try FreeDOS 2038 and see if it also fails.

http://freedos.sf.net

> actually I have two scenarios...
> one is to boot from and run the utility from network and another is to
> boot and run from
> USB pen drive..
> In network case the same machine, same DOS environment , the utility
> works fine but
> when i Boot from USB, the utility hangs at an LBA value 63.

Okay, I'm really dumb about all this, so I may be suggesting wrong
things (it's complex):

* does your BIOS support LBA?
* is your BIOS configured correctly?
* does booting from network somehow emulate the BIOS?

> 3.THe utility is a backup and restore utility that works on the flash
> disk.
> 4.But when I run GHOST from USB the utility is working fine....

Ghost probably doesn't use the BIOS. Did you try the "bigstack" etc.
files that CWS suggested?

> 5. One thing i observed, when i played with config.sys file with
> different stack sizes and file handles etc..
> the control has progressed very much but still after some times, it
> hangs...
> but the same utility from network boot on the same device did not pose
> any threats...

Read this, it may offer some insight (like I said, it's very complex):

http://en.wikipedia.org/wiki/INT_13

If somebody knew where to find Gordon Schumacher, he could probably
offer some clue.