Any advice on how to debug this?
Bill.Medland at accpac.com
Wed Jul 10 15:16:07 CDT 2002
> -----Original Message-----
> From: Eric Pouech [mailto:eric.pouech at wanadoo.fr]
> Sent: Wednesday, July 10, 2002 12:50 PM
> To: Medland, Bill
> Subject: Re: Any advice on how to debug this?
> "Medland, Bill" a écrit :
> > > -----Original Message-----
> > So now what do we do.
> > Having messed about, got a repeatable case and generally
> bashed my head
> > around I have got to the following unfortunate situation.
> > It looks to me like:
> > comctl32.dll includes a shared data segment.
> > One of the entries in that segment, presumably during the
> DllEntry, is
> > populated with the address of GetSystemMetrics
> > A second copy of comctl32 then tries to use that address to call
> > GetSystemMetrics
> > Unfortunately the second process has user32 mapped
> somewhere else and so the
> > call goes somewhere weird and things fall over.
> > Any ideas as to what we can do about it?
> hmm bad news...
> did you try to run your app with a NT version (instead of a
> Win9x), that
> could help (maybe)
No, but I have now. (and ignored all the complaints about mixed versions).
I think that this will be the way to go; see Alexandre's reply.
> another thought, when your processes disapear under the
> debugger, is the
> wineserver still up and running (if it crashes, it may explain the
> vanishing processes)
Yes it was
> another solution would be to disable the support for the shared data
> segment... but in your case, it could fix this issue but open another
TOO TRUE!! The app is very dependent upon shared data segments.
> btw, are you sure user32.dll is mapped at another address in
> the second
> another fix would be to force some DLLs to be loaded at fixed
> (user32 could be one of them)...
> another question, are you sure the two processes load the
> same user32 ?
> (could it be that two wine versions coexist and that a
> different one is
> loaded in each process) ?
Thanks for all the help
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