Re: Dos App hangs with DPMI / PIC problem

["anon permutation" <anonpermutation@hotmail.com>]

I am wondering, since this hanging problem is related to dosemu's dpmi 
implementation, is it possible for me to use another dpmi implementation?  
Can I turn off dosemu's dpmi inside dosemu.conf and then run some other dpmi 
inside autoexec.bat?

Is this feasible?  What other DPMI implementation is compatible with dosemu?

Thanks.



>From: Ryan Underwood <nemesis-lists@icequake.net>
>To: anon permutation <anonpermutation@hotmail.com>
>CC: linux-msdos@vger.kernel.org
>Subject: Re: Dos App hangs with msg X: expose event
>Date: Tue, 7 Sep 2004 23:34:11 -0500
>
>
>On Tue, Sep 07, 2004 at 07:45:03AM +0000, anon permutation wrote:
> >
> > I have encoutered problems while uploading even 256KB chunks, as a 
>result,
> > I have only pasted the top and bottom of my log online.  The complete 
>log
> > is about 23MB.  Is there a place where I can email you the file?
>
>Looking at the log, it looks like a DPMI or timer specific problem.
>
> > If the GP fault from run_vm86() is ok, does that mean I can just change 
>the
> > codes that handle the fault in vm_86_GP_fault() to do nothing?  Would 
>that
> > allow me to work around the problem?
>
>No, GPFs are a normal and essential part of a V86 task's execution.
>When a GPF occurs, the virtual machine monitor (in this case, the
>kernel/DOSEMU) takes control, acts in some manner depending on the
>context of the task, and then returns control to the task.
>
>What is probably happening is that you've found a bug in dosemu's DPMI
>or timer emulation, especially since you have the same problem under the
>console.  Unfortunately, it will be really hard to debug this without
>the app.
>
>--
>Ryan Underwood, <nemesis@icequake.net>

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