[Bug 9975] unhandled exception - Conquer Online 2 - patch 4354+

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=9975





--- Comment #8 from DJ <dj at lucasit.com>  2007-10-10 18:32:26 ---
(In reply to comment #7)

> 0009:CALL MFC42.765(<unknown..... <SNIP>

Those are benign and can be safely ignored...no problem.

> 
> The problem is an uninitialized variable somewhere or another.  From the log,
> the first seh entry is:
> 0009:trace:seh:raise_exception code=c0000005 flags=0 addr=0x4383e0
> 0009:trace:seh:raise_exception  info[0]=00000000
> 0009:trace:seh:raise_exception  info[1]=55555555
> 0009:trace:seh:raise_exception  eax=00000000 ebx=00000000 ecx=55555555
> edx=00000029 esi=01d5f5f4 edi=7e77e8b0
> 
> c0000005 is an access violation, and ecx has the bogus value: 0x55555555. 
> Microsoft uses that value for uninitialized variables in debug versions of
> their libraries to help you catch bugs.  This could well be an app bug that
> happens not to occur on Windows.
> 

So, if I understand correctly, assuming your analysis is correct (and I have no
reason to suspect otherwise), there is pretty much nothing that can be done
from the wine developers' POV.  

Also, I don't understand the scope. Is that from the Microsoft libraries or is
it definitely limited to the Conquer executable or c3 library (or elsewhere)? 
Is it even possible to tell from the debug output?  If the latter, we just have
to sit on it and hope that the application vendor fixes a compile time warning
that will most likely never cause an error in windows?  Could it also be
related to a missing support file of some sort?  I do recall that they had
changed fonts quite a bit recently, but those are usually benign IMLE, and are
usually included in the patch anyway.  Actually that was back around the mid
4340s that they were toying with the fonts IIRC (before the problem surfaced). 
Anyway, the question stands valid as is.

Not that they'll be very receptive to a bug report for wine anyway, but I can't
go pleading to them without at least a basic understanding of the problem.

Thank you very much for your time on this Juan, and if you need anything
further from me, I'll be happy to supply y'all with it.


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