Stan Pinte a écrit :
>hello,
>
>I am running Simpy (python simulation framework) within pythondotnet,
>and, even though this process is single-thread, it hangs misteriously,
>in an unpredictable way...
>
>Python console cease to respond to Ctrl-C events...
>
>Here is the current Thread status:
>
>Thread Start Address:
>Symbol Name: Line Number: PC:
>mscoree!_CorExeMain() + 0x0 --- 7917D08C
>
>Thread Stack:
>
>ntdll ! KiFastSystemCallRet() + 0x
>KERNEL32 ! WaitForSingleObject() + 0x12
>python24 ! PySys_WriteStderr() + 0x14d
>python24 ! PyTuple_Type() + 0x0
>
>
more info, from windows debugging utility:
[Debugging Tools for Windows]> tlist 2632
2632 python.exe OleMainThreadWndName
CWD: f:\home\working\phidani\project-stm\tools\
VirtualSize: 171300 KB PeakVirtualSize: 171300 KB
WorkingSetSize: 22204 KB PeakWorkingSetSize: 22204 KB
NumberOfThreads: 6
2916 Win32StartAddr:0x7917d08c LastErr:0x00000000 State:Waiting
636 Win32StartAddr:0x791d4d45 LastErr:0x00000000 State:Waiting
3796 Win32StartAddr:0x791d0020 LastErr:0x00000000 State:Waiting
2288 Win32StartAddr:0x77e76bf0 LastErr:0x00000000 State:Waiting
2124 Win32StartAddr:0x774fd888 LastErr:0x00000000 State:Waiting
984 Win32StartAddr:0x00000000 LastErr:0x00000000 State:Waiting
1.0.0.0 shp 0x00400000 c:\export\PythonNet-1.0-beta4\python.exe
--> so it is multi-threaded, actually.
>as the entry point in the hanging thread (higher on stack) is
>PyTuple_Type() and as PyTuple is defined in C# (src/runtime/PyTuple.cs),
>I suspect this might be the cause of my problem.
>
>[PythonNet-1.0-beta4]> grep -nr "PyTuple_Type" .
>Binary file ./DLLs/_socket.pyd matches
>Binary file ./python24.dll matches
>[PythonNet-1.0-beta4]>
>
>However, I would like to be able to go higher in the stack, to see what
>caused this deadlock.
>
>Any proposed strategy to guess what happened, or to track down the problem?
>
>thanks a lot,
>
>Stan.
>
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