[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Eryk Sun]

Change by Eryk Sun :


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resolution: fixed -> third party
stage:  -> resolved
status: open -> closed

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Anil kunduru]

Anil kunduru  added the comment:

Thanks guys for quick responses.  Eryk Sun  comment wa very help full.

--
resolution:  -> fixed

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Anil kunduru]

Anil kunduru  added the comment:

thanks Eryk Sun i am able to solve the problem, it was extension modules 
problem. it was helpful great.

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Eryk Sun]

Eryk Sun  added the comment:

A crash with the code STATUS_HEAP_CORRUPTION (0xC374) is due to a bug, not 
memory exhaustion. The bug may not be the fault of the interpreter or standard 
library if you're working with extension modules or ctypes. It's easy to 
corrupt the internal structures of a heap. For example:

>>> import ctypes
>>> b = (ctypes.c_char * 10)()
>>> ctypes.POINTER(ctypes.c_int)(b)[-1] = 0
>>> del b

[crashed]

C:\>echo %errorlevel%
-1073740940

Heap corruption is best examined with a debugger (e.g. windbg or cdb) attached 
to the faulting process, with full page heap checking enabled for the 
executable in the registry (usually set via gflags). This reserves a page 
before and after each heap allocation to ensure that writes that would 
otherwise corrupt the heap will instead immediately raise an access violation.

--
components: +Windows
nosy: +eryksun, paul.moore, steve.dower, tim.golden, zach.ware

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[STINNER Victor]

STINNER Victor  added the comment:

You can enable faulthandler to get the Python traceback where the bug occurs. 
It might help a little bit. Either write the traceback into a file (file 
argument of faulthandler.enable()) or run your program in a terminal to see the 
traceback on the terminal.

http://docs.python.org/dev/library/faulthandler.html

I also suggest you to try to run your program using "python -X dev program.py" 
to enable more debug checks:
https://pythondev.readthedocs.io/debug_tools.html

PYTHONMALLOC=debug environment variable may help.

--
nosy: +vstinner

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Eric V. Smith]

Eric V. Smith  added the comment:

I assume this is on Windows? 0xc374 is a heap corruption error on Windows.

I agree that without a way to reproduce this it will be impossible to track 
down any error.

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nosy: +eric.smith

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Anil kunduru]

Anil kunduru  added the comment:

i am figuring out as heap memory issue because i am using multiple data frames 
and online web scrap data as well , may be memory is overloaded and it cause 
this issue .
please correct me it may not be changes or not.

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

Please include a minimal code snippet without external dependencies to 
reproduce the issue. Describe what you have done (script, traceback, operating 
system environment etc) and what you are expecting. Without these information 
it's unclear to debug a crash and especially if it's a bug in Python or the 
logic in the code.

Thanks

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nosy: +xtreak

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[issue35750] process finished with exit code -1073740940 (0xc0000374)

[Anil kunduru]

New submission from Anil kunduru :

function contains of long loop each iteration it will do get data from 
different website using request.get and do analysis, loop will take one minute 
for 10 iteration.
after completed some 100 to 400 iteration it will exit with process finished 
with exit code -1073740940 (0xc374) do no what is this unexpected behavior!

--
messages: 333752
nosy: kunduruanil
priority: normal
severity: normal
status: open
title: process finished with exit code -1073740940 (0xc374)
type: crash
versions: Python 3.6

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