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Re: [HTCondor-users] reporting bugs in condor-python bindings
- Date: Tue, 17 Oct 2017 18:31:29 +0000
- From: Xin Wang <xwang@xxxxxxxxxxxxx>
- Subject: Re: [HTCondor-users] reporting bugs in condor-python bindings
When using the bindings in the RPM with python 2.6, I was using HTCondor 8.6.6.
I did not recall how long exactly that particular run with python 2.6 lasted before it crashed, but it definitely worked properly for a few minutes at the very least and it did not crash from the very beginning.
I can probably set up another run in python 2.6 and let it run again later today or tomorrow and can report back.
Let me know if you need more details.
From: Todd Tannenbaum [mailto:tannenba@xxxxxxxxxxx]
Sent: Tuesday, October 17, 2017 2:00 PM
To: Xin Wang <xwang@xxxxxxxxxxxxx>; HTCondor-Users Mail List <htcondor-users@xxxxxxxxxxx>; 'htcondor-admin@xxxxxxxxxxx' <htcondor-admin@xxxxxxxxxxx>
Cc: Andrew Georgiev <ageorgiev@xxxxxxxxxxxxx>
Subject: Re: [HTCondor-users] reporting bugs in condor-python bindings
Thank you for the clarifications.
> I guess I was not clear enough in my previous email and I would like to make some clarification here. When I tried the htcondor python bindings installed by RPM, I was using python 2.6. The daemon crashed at a place when a new empty list was being created in python, and the error message and the full stack trace were posted in my previous email. >
Ignoring the Python 3 attempts for a bit and focusing just on Python 2...
So when you ran using the bindings in the RPM with Python 2.6 and had a
crash, were you also using HTCondor v8.6.6 or some other version? I ask
because in HTCondor v8.6.6 we upgraded the version of Boost.Python used
in HTCondor. Did your Python 2 attempts also run successfully for a few
(minutes/hours/days?) before the crash? Are you able to easily
artificially reproduce the crash perhaps by having your daemon hit the
python bindings at a high frequency (i.e. remove any sleep or event
waits in your daemon so it continuously hits the bindings) ?
One last thought is we did clean up a few other misc things in HTCondor
v8.7 while doing the work to enable Python 3... I wonder if the same
problems still persist if you tried running your daemon with HTCondor
v8.7.3+ instead of HTCondor v8.6....
While we do have a whole bunch of regression tests for our HTCondor
Python bindings, it looks like we need to add some long running
testing... (and/or figure out how to use tools like Coverity/Valgrind in
the Boost.Python environment... shudder...)
Thanks again Xin for reporting all this and your help,
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