[Bug 15485] EVE Online hangs on focus restore after applying Empryan Age 1.1.1 patch

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=15485


William Waghorn <willw at litany.me.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |willw at litany.me.uk




--- Comment #37 from William Waghorn <willw at litany.me.uk>  2008-10-25 22:00:01 ---
Previous posts have inspired me to try a bit of amateur debugging...

0x1004e23e: movl        0x100c091c,%eax
0x1004e243: movl        0x0(%eax),%eax
0x1004e245: cmpl        %ebx,0x6c(%eax)

Then,

Wine-dbg>x /x 0x100c091c
 00693300

Wine-dbg>watch *0x693300
Watchpoint 1 at 0x00693300 _PyThreadState_Current in python25

The Page Fault itself is happening outside of Wine.  Execution flow leaves Wine
via a message callback for WM_ACTIVATEAPP.

The location 0x693300 changes continuously, and may often contain zero.  Not
surprising if this is the address of _PyThreadState_Current.

So, evidence to date suggests that Eve's WM_ACTIVATEAPP handler is querying
state from Python.  The method it is using is somehow bypassing whatever
mechanism should protect the _PyThreadState_Current value.


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