fatal python error deallocating Laramie Wyoming

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fatal python error deallocating Laramie, Wyoming

Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 144 Star 1,517 Fork 425 mapnik/mapnik Code Issues 487 Pull requests 40 Projects So it would seem like a problem specific to your system. Another intersting fact: apparently Python starts up with about 1500 references to None .... Just data.

So, could there be another problem that gives the same error? That's ANOTHER beer I owe you.Regards,Mark Top Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending Topic locked 5 posts • Page One > good way to do this is to create a simple test script and run it with > > > python test.py --verbose-helpful > > and paste the output here. our application contained a separate task that created it's own database connection every 15:th minute or so, to calculate some statistics.

Thanks to @migurski and @nvkelso for uncovering this bug. I assume pythonvars.cpp ... Windows XP Pro, Dell 8600, Sqlite 0.5.0 2. in any case nothing good comes from it. –Voo Mar 8 '13 at 8:05 @Voo I thought that too, and it turns out it is allocated statically(in object.c), and

The C extensions I'm usingare numarray and MySQLdb (indirectly, through Sqlalchemy).What makes the problem worse is that it's not deterministic; I canrestart it from (a little before) the point of crash The line of code that fails is a call to ExampleTable.select with a newly created orngAttr that has a custom getValueFrom. In my actual application, when run for a larger set, the error can come in the middle of the program and is causing me a lot of grief. Why is the spacesuit design so strange in Sunshine?

Any better way to determine source of light by analyzing the electromagnectic spectrum of the light Is intelligence the "natural" product of evolution? but the DECREF's in there look safe.Also, I sprinkled my code with:print sys.getrefcount(None)And the count seemed to be stable (before and after the offending ExampleTable.select call). Please contact the application's support team for more information. Files File name Uploaded Description Edit learn.py shashi, 2009-08-10 10:35 a script to make a bot learn from text files, uses another py file with text file listing.

that would do it too. Many thanks for the help. Books for chess traps need book id, written before 1996, it's about a teleport company that sends students learning to become colonists to another world How to decrypt a broken S/MIME This means that the next time you try to do something with the return value, you will be following a pointer to a location in memory that is not guaranteed to

In my actual application, when run for a > larger set, the error can come in the middle of the program and is causing > me a lot of grief. Any hints ? Since we still don't know if it is even in matplotlib (it could be in numarray) I don't think we can pursue this until we have a minimal script which reproduces If I change the numInnerLoop to 5, 10, 20, or 30 it works however anything over 35 gives the above error.

msg91441 - (view) Author: Skip Montanaro (skip.montanaro) * Date: 2009-08-10 12:18 Is your mh_python module written in C/C++ or Python? If so, ask if limit can be raised. One wild guess would be that you are reaching the system limit of open files (assuming each connection means opening a file, which seems likely). Reedy vineetateswap.com May19,2004,7:52PM Post #3 of 5 (90 views) Permalink Help with large data set and fatal python error (pysqlite) [In reply to] I've tried to close all the db connections

If you > are generating figures in batch, make sure you are running in a image > backend like Agg (for PNG) or PS (for postscript) .... > > import matplotlib Some objects where turning into read only buffers at random times due to missing calls to Py_INCREF). There were too many differences for me to sort through. I'll try to generate a simple script that recreates the error (if it still exists).Regards,Mark Top by Feanor76 » Thu Mar 08, 2007 18:39 It appears that your fix worked.

The error does not occur every time ... I also tried the same thing with sqlite cvs snapshot and that did not help. I recall Windows 9x having something like this, but I do not remember details and don't know how it looks like in newer versions. Brieflywhat I do is, select some rows from one table, do some number crunchingand insert or update rows in another table.

Now, I wouldn't mind restarting it manually every time since the crashes are not all that frequent; problem is, it's supposed to be a long-running process that will probably take days http://sourceforge.net/powerbar/db2/_______________________________________________ Matplotlib-users mailing list [hidden email] https://lists.sourceforge.net/lists/listinfo/matplotlib-users « Return to matplotlib - users | 1 view|%1 views Loading... If it rears up again, try and isolate it and send us a script. Thanks, JDH ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML.

None is then decref-ed when the list is deallocated a light year away.We'll have to narrow down the code where the bug happens. What is your configuration? Why was the word for king 'rei' changed to 'rey'? Unfortunately, there is nothing obviously wrong with your code, which means it is likely to be a bug on our side.

To kickstart the process, here is a script that makes 500 figures with a similar number of points that *does not crash* on my system. open all Python Home About News Documentation Download Community Foundation Core Development Issue Tracker Issues Search Random Issue Summaries Issues with patch Easy issues Stats User Login(OpenIDpossible) Remember me? It now runs without crashing :) If you still want to try and squash this bug I'm happy to do some more testing but as far as I'm concerned the problem The mortgage company is trying to force us to make repairs after an insurance claim What does a well diversified self-managed investment portfolio look like?

python c reference-counting share|improve this question asked Mar 8 '13 at 5:51 Johnny Lim 1,42531831 add a comment| 2 Answers 2 active oldest votes up vote 14 down vote accepted Missing Unfortunately after about 30-40 plots, python invariably crashes with the error: Fatal Python error: deallocating None Aborted below is the code which is causing the crash, I've tried it with various History Date User Action Args 2009-08-1014:34:55benjamin.petersonsetstatus: open -> closedresolution: not a bug 2009-08-1012:18:59skip.montanarosetnosy: + skip.montanaromessages: + msg91441 2009-08-1010:35:15shashicreate Website maintained by the Python community hosting by Upfront Systems / powered by All this code has been working for a long time (2 years).Regards,Mark Top by Janez » Fri Feb 23, 2007 13:34 This can be nasty.

Also, please report your versions of matplotlib and numpy, etc. Cheers, John PS just in case it's at all relevant, I forgot to mention that for unrelated reasons I'm using matplotlib with numarray rather than numpy for ani in In this case, the 'application' is, it would seem, sqlite. > If I change the numInnerLoop to 5, 10, 20, or 30 it works however anything > over 35 gives the At worst, it will take me the week.

I am using python 2.7.1 and urlgrabber-3.9.1. > > What I am doing wrong? > > Regards, > > Stefan > > _______________________________________________ > Yum-devel mailing list > Yum-devel at lists.baseurl.org