Oracle 8i on Windows client error 487 (xterm-launched) and 6 (shell -launched) in Cygwin 1.3.3

[Ralf Habacker]

>
> I tried to make Darius Clynes small Oracle project work on Windows 2000
> SP2 (latest) and Windows NT 4 SP6b (latest) but I consistently get
>
> m.AllocationBase 0x0, m.BaseAddress 0x614E0000, m.RegionSize 0x20000,
> m.State 0x10000
> K:\cygwin\usr\src\try_ora\my_example.exe: *** Couldn't reserve space for
> cygwin's heap
> (0x614E0000 <0x1690000>) in child, Win32 error N
>
> where N = 487 if launched within an xterm
> and   N = 6   if launcehd within the bash shell started by cygwin.bat.
>
> When I run with `gdb`, I see a zillion of the following message box
> pairs:
>
> "LDR: Automatic DLL Relocation in my_example.exe"
> "LDR: Dll {AN ORACLE DLL} base 600000000 relocated due to collision with
> {ANOTHER ORACLE DLL}
>
I had the same problem with a dll, which image base adress conflicts with the
address of the cygwin1.dll (image base = 0x61000000).
Try to objdump -x *.dll of the used dll to see which dll has which image base
address
or use ssp.exe (for example  ssp -v -d -dll 0x401000 0x440000 yourapp.exe)
to see which dll is relocated to which address.
Changing the image base could be done by relinking, other ways I don't know.
So it will be a problem to relink an oracle dll without the source code.


> accompanied by a very VERY fast DOS-like box flashing by.  I/O
> redirection of stderr and stdout on the command line doesn't capture
> anything.
>
> Attached are the cygcheck.out for Windows NT 4 and the project files
> submitted by M. Clynes.  I had to modify the Makefile for directory and
> Oracle version differences.
>
> Problem statement reproduction:
>
> 1) Install Oracle 8i client.  Note the resulting directories.
> 2) !mkdir /usr/src/try_ora
> 3) Detach the try_ora.tar.gz to /usr/src/try_ora.
> 3) !cd /usr/src/try_ora; tar xvfz try_ora.tar.gz
> 4) Change ORACLE_HOME in Makefile as needed to match your Oracle 8i
> client installation.
> 5) !make all
> 6) !my_example
>
> Step 6 should get the same results as I did.  Anyone seen these types of
> errors with Oracle/Cygwin before?  How could I further investigate error
> Win32 487 or 6?
>
> Thanks in advance,
>
> Richard
>
>
>


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