[Bug 14542] New: Page fault on shutdown when using SetPixelFormat()

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14542

           Summary: Page fault on shutdown when using SetPixelFormat()
           Product: Wine
           Version: CVS/GIT
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: mah at jump-ing.de


Created an attachment (id=14881)
 --> (http://bugs.winehq.org/attachment.cgi?id=14881)
Buggy app.

This is Ubuntu 8.04 AMD64 on a Dell Vostro 200 with Intel G31 graphics.

Even trivial applications generate a page fault on shutdown if the app used
SetPixelFormat() and/or ChoosePixelFormat() before.

Steps to reproduce:

Launch the attached app from a terminal and close the window after it popped
up. This should produce something like this:

mah at piccard:~/.wine/drive_c$ wine Testcase\ OpenGL\ Shutdown.exe 
Shutdown
wine: Unhandled page fault on read access to 0x00000200 at address 0xf7f0809d
(thread 0009), starting debugger...
mah at piccard:~/.wine/drive_c$ 


I'm not sure wether OpenGL is involved here. The app was built using
Code::Blocks (=MinGW) on Windows XP. Full source code (single file) is attached
as well, don't forget to link against libopengl32. The source contains a switch
to turn the offender off and on.


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