[Bug 15485] EVE Online hangs on focus restore after applying Empryan Age 1.1.1 patch
wine-bugs at winehq.org
wine-bugs at winehq.org
Sat Oct 25 22:00:03 CDT 2008
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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