From mboxrd@z Thu Jan 1 00:00:00 1970 From: "anon permutation" Subject: Re: Dos App hangs with DPMI / PIC problem Date: Fri, 17 Sep 2004 04:18:34 +0000 Sender: linux-msdos-owner@vger.kernel.org Message-ID: Mime-Version: 1.0 Return-path: List-Id: Content-Type: text/plain; format=flowed; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: nemesis-lists@icequake.net Cc: bartoldeman@users.sourceforge.net, linux-msdos@vger.kernel.org Hello, 1. Tried >e c316:903a EB >e c316:903b 08 the trace becomes different, but the app still hangs... 2. Also tried using freedos instead of msdos. Same thing... BTW, the app is actually a client - server app running on netx. Not sure i= f=20 this is relevant... Thank you, everyone, for helping out! >From: Ryan Underwood >To: anon permutation >CC: bartoldeman@users.sourceforge.net,=20 >nemesis-lists@icequake.net,linux-msdos@vger.kernel.org >Subject: Re: Dos App hangs with DPMI / PIC problem >Date: Thu, 16 Sep 2004 15:01:50 -0500 > > >On Thu, Sep 16, 2004 at 03:33:03AM +0000, anon permutation wrote: > > > > Hi, > > > > Thank you for helping. Okay: > > > > 1. I tried e c316:903a 75, and I see the je changed to jne. However, = >the > > app continues to hang inside that loop... > >The flow of execution should be diverted either to or away from the jump >target depending on the value of the zero flag. If nothing changes in >the trace, then I guess you've done something wrong. Note that it is >possible for the program to find another place to get stuck after that. > > > 2. I tried e c316:903a EB08, and I see the je changed to or [bi+si], c= l=20 >. > > The app continues to hang inside that loop. However, I think I am not > > doing exactly what Ryan wanted me to do though... > >Um, something didn't work there. Try >e c316:903a EB >e c316:903b 08 > >But inverting the conditional jump as bart suggested should have at >least gotten you past that point. > > > What else can I try? > >Asking the vendor what the program is doing at that point so they can >offer suggestions. > >-- >Ryan Underwood, ><< signature.asc >> _________________________________________________________________ Is your PC infected? Get a FREE online computer virus scan from McAfee=AE=20 Security. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3D3963