[issue32848] Valgrind error with python

[Christian Heimes]

Christian Heimes  added the comment:

You are missing some dependencies. You have to install valgrind development 
package.

This is a bug tracker, not a support forum. Please use the Python users mailing 
list or #python IRC channel to get help.

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nosy: +christian.heimes
resolution:  -> not a bug
status: open -> closed

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[issue32848] Valgrind error with python

[Arun Solomon]

Arun Solomon  added the comment:

Hi Stefan,

I tried with two configure options. Both of them, I am getting the same error.

configure: error: Valgrind support requested but headers not available

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resolution: not a bug -> 
status: closed -> open

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[issue32848] Valgrind error with python

[Stefan Krah]

Change by Stefan Krah :


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resolution:  -> not a bug
status: open -> closed

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[issue32848] Valgrind error with python

[Stefan Krah]

Stefan Krah  added the comment:

You have two options:

  a) ./configure CFLAGS="-O0 -g" --without-pymalloc

  b) ./configure CFLAGS="-O0 -g" --with-valgrind


For b) you need the Valgrind headers installed.


--with-pydebug is always wrong when using Valgrind.

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nosy: +skrah
status: pending -> open

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[issue32848] Valgrind error with python

[Arun Solomon]

Arun Solomon  added the comment:

Hi,

I ran with the following command to configure python with valgrind:
./configure --without-pymalloc --with-pydebug --with-valgrind

I was getting the following error:
configure: error: Valgrind support requested but headers not available

Python:   2.7.5
Valgrind: 3.12.0

How can i resolve this error?

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resolution: not a bug -> 
status: closed -> pending

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[issue32848] Valgrind error with python

[R. David Murray]

R. David Murray  added the comment:

Did you notice that our configure has a --with-valgrind option? 

In any case, there isn't a bug in python here that you are reporting.  If you 
want to continue to learn about our existing support for valgrind and find 
things that can be improved, you are welcome to open a more specific issue in 
the future.  I would suggest seeking help on the python-list mailing list for 
learning about this, and for your second question.

--
nosy: +r.david.murray
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed
type: compile error -> 

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[issue32848] Valgrind error with python

[Arun Solomon]

New submission from Arun Solomon :

Hi... 

I am facing the problem python along with valgrind. I was getting default 
valgrind warnings messages. I have created the sample.py. sample.py file does 
not have any code. I created empty py file to confirm that my code does not 
have any memory leaks. 

Following is the valgrind command that I am using in command line:
valgrind --leak-check=full --show-reachable=yes --error-limit=no 
--gen-suppressions=all --log-file=msm_suppress.log -v 
/home/arunspra/py_src/Python-2.7.5/python sample.py

I was getting plenty of valgrind warnings.

I surfed in the google and I got to know that i need to configure python by 
disabling pymalloc. As said by technical peoples, If pymalloc was disabled, we 
would not got any memory related errors. But i was getting the memory related 
error. Following is my command that i used to disable pymalloc:

./configure --without-pymalloc --with-pydebug
make

Then I ran above said valgrind command. I was getting 1299 valgrind warnings. 
If i enable pymalloc, I was getting only 108 valgrind warnings.

Following is my software versions:
Cent os: 7.3
Python: 2.7.5
Valgrind: 3.12.0


PS: If i configure and build python, i was getting an Import Error: No module 
named netifaces. I am using netifaces in my project. If i use system inbuilt 
python, i am not getting netifaces import error.

Can anyone please advice me to resolve this issue.

--
components: Build
files: suppress.zip
messages: 312193
nosy: Arun Solomon, vstinner
priority: normal
severity: normal
status: open
title: Valgrind error with python
type: compile error
versions: Python 2.7
Added file: https://bugs.python.org/file47443/suppress.zip

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