From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stas Sergeev <stsp@list.ru>
Subject: Re: dosemu and ubuntu 14
Date: Tue, 10 Jun 2014 16:43:50 +0400
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To: Tom <tommy.forty@gmail.com>, linux-msdos@vger.kernel.org

10.06.2014 16:24, Tom =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> Excuse for my english
>
> With the first installation of Ubuntu 14.04, dosemu work fine (foxpro=
 under
> dosemu work fine!)
> Linux  3.13.0-27-generic #50-Ubuntu
>
> But now, 10 june 2014, after I've update the system
> Linux  3.13.0-29-generic #53-Ubuntu SMP Wed Jun 4 21:00:20 UTC
> 2014 x86_64 x86_64 x86_64 GNU/Linux
>
> foxpro under dosemu don't work with this error:
> "
> Phar Lap err 35: The 386 chip is currently executing
> in virtual 8086 mode under the control of another program.  You must =
turn
> off this other program in order to use 386|DOS-Extender to run in
> protected mode
> "
>
> What's the problem?
3.14 linux kernel has dropped the DPMI support for x86_64.
Yours is 3.13.0-29 - my guess is that it had backported
that behaviour from 3.14.
Your previous 3.13.0-27 was likely i686 (32bit), where the
DPMI support is still possible. Or it didn't have the aforementioned
backport.

So, to run foxpro, you either need old kernel or 32bit system.
Kernel developers seem to no longer consider dosemu users
as their target audience.
3.15 kernel will probably have a work-around to that problem
because wine was also affected (wine users are regarded much
better, it seems :)
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