[Python-bugs-list] [ python-Bugs-763190 ] Sudden death with SIGSEGV in RtlEnterCriticalSection

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Bugs item #763190, was opened at 2003-06-30 09:34
Message generated for change (Comment added) made by nnorwitz
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Category: Threads
Group: Python 2.2.2
Status: Open
Resolution: None
Priority: 5
Submitted By: Maria Martinsdotter (dehex)
Assigned to: Nobody/Anonymous (nobody)
Summary: Sudden death with SIGSEGV in RtlEnterCriticalSection

Initial Comment:
Environment:
Python 2.2.2
win32all-150
Win2000 Server
Dell server
2 CPU Pentuim 4 emulating 4 CPU's.

Application:
Service with many (50-150) threads.

Problem:
The entire service exits unexepectedly with only a brief 
reference made by Dr.Watson indicating the Windows 
equivalent of SIGSEGV in RtlEnterCriticalSection.

Side info:
Known to have happened once, we believe it may have 
happened three times in total but the two extra did not 
leave even a Dr.Watson trace.

The known occurrence can be connected to our use of a 
timer where the action routine restarts the timer.
The two extra's occurred at a point in time that connect 
the problem event to the timer expiration.

The application have been used for five months, 
runnning around the clock. The customer installation 
currently use five instances of the base software, only 
configuration differs.
It is arbitrary which instance fail.

We have no means to trigger the problem.

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>Comment By: Neal Norwitz (nnorwitz)
Date: 2003-06-30 11:13

Message:
Logged In: YES 
user_id=33168

Are there any other C/Extension modules used which are not
from the standard python distribution?  Can you make a self
contained test case?

I encourage you to test with 2.3 beta 2.  There were some
thread changes which could affect this problem.

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