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From: Roy Tam <roytam@gmail.com>
Date: Tue, 13 Apr 2010 13:43:40 +0800
Message-ID: <r2s473191351004122243x3b2f155le8129d16b82e4aac@mail.gmail.com>
Subject: Re: [Qemu-devel] Problem with DOS application and 286 DOS Extender
	application
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To: Gerhard Wiesinger <lists@wiesinger.com>
Cc: qemu-devel@nongnu.org

2010/4/13 Gerhard Wiesinger <lists@wiesinger.com>:
> Hello,
>
> I'm having a problem with a DOS application which uses a 286 DOS Extender,
> error message is as the following:
> unable to create task for execution
> Interrupt 10 (Ah) while creating task: Invalid task segment selector.
> Happens with QEMM386 and HIMEM.SYS/EMM386.EXE.
>
> I guess the application does at this point swithing to 286 protected mode
> and trying to move conventional memory up to EMS memory.
>
> Issue is NOT present under VMWare Server 2.0 and with real hardware.
>
> DOS; MS-DOS 6.22
> QEMU: 0.12.3 under Fedora 11, 2.6.30.10-105.2.23.fc11.x86 on AMD Phenom II
> Quad Core, x86_64-softmmu.
>
> Any comments or ideas (I guess something with protected mode and MMU might
> be wrong)?
>

You need to mention the program name so that people can try to
reproduce the bug.

> Thnx.
>
> Ciao,
> Gerhard
>
> --
> http://www.wiesinger.com/
>
>
>