[yt-dev] seg fault on projections

[Sam Skillman]

I would like to see this addressed in the future (since it makes little
sense from a user's standpoint that they need to call pf.h before
pf.field_info), but for now I agree it is causing too much of a headache.

Sam

On Thu, Mar 15, 2012 at 8:10 AM, Matthew Turk <matthewturk at gmail.com> wrote:

> Okay, let's back out that changeset. I think it is okay to mandate an
> instantiated hierarchy if you want to have detailed, output-specific field
> information.
> On Mar 15, 2012 10:02 AM, "Eric Hallman" <e.hallman at me.com> wrote:
>
>> Matt and Stephen,
>>  I can confirm that the seg fault disappears on Mac OS X when updating to
>> h5py-2.0.1, though a simple projection is still giving an out of bounds
>> error on a simple unigrid data set.  Not sure why that occurs.  But I think
>> Matt is definitely right about h5py:
>>
>> p = pc.add_projection('Density',0)
>>  File
>> "/Users/hallman/work/yt-i386/lib/python2.7/site-packages/yt-2.4dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_collection.py",
>> line 758, in add_projection
>>    **field_parameters)
>>  File
>> "/Users/hallman/work/yt-i386/lib/python2.7/site-packages/yt-2.4dev-py2.7-macosx-10.4-x86_64.egg/yt/data_objects/data_containers.py",
>> line 1930, in __init__
>>    self._refresh_data()
>>  File
>> "/Users/hallman/work/yt-i386/lib/python2.7/site-packages/yt-2.4dev-py2.7-macosx-10.4-x86_64.egg/yt/data_objects/data_containers.py",
>> line 309, in _refresh_data
>>    self.get_data()
>>  File
>> "/Users/hallman/work/yt-i386/lib/python2.7/site-packages/yt-2.4dev-py2.7-macosx-10.4-x86_64.egg/yt/data_objects/data_containers.py",
>> line 2127, in get_data
>>    pdxs = na.concatenate(pdxs, axis=1)
>> IndexError: axis 1 out of bounds [0, 1)
>>
>>
>> On Mar 15, 2012, at 4:55 AM, Matthew Turk wrote:
>>
>> > Hi Stephen,
>> >
>> > A bunch of people have been reporting segfaults.  I am starting to
>> > think it may be an issue of an older h5py combined with this change,
>> > which may build up multiple copies of the hierarchy and keep multiple
>> > copies of a file (in this case the data file) open.
>> >
>> > I think we should consider backing this change out, and providing it
>> > in a more subtle way -- for instance, making field info just always
>> > create the hierarchy.  Here it actually almost always creates it
>> > twice.  Remove the deletion, just leave the hierarchy in existence.
>> >
>> > -Matt
>> >
>> > On Wed, Mar 14, 2012 at 10:46 PM, Stephen Skory <s at skory.us> wrote:
>> >> Bah humbug.
>> >>
>> >> I did a fresh install on my mac, and the problem went away. I wonder
>> >> what cruft I had left over was getting in the way? I deleted the .yt
>> >> file etc...
>> >>
>> >> Anyway, sorry for the noise, move along.
>> >>
>> >> --
>> >> Stephen Skory
>> >> s at skory.us
>> >> http://stephenskory.com/
>> >> 510.621.3687 (google voice)
>> >> _______________________________________________
>> >> yt-dev mailing list
>> >> yt-dev at lists.spacepope.org
>> >> http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org
>> > _______________________________________________
>> > yt-dev mailing list
>> > yt-dev at lists.spacepope.org
>> > http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org
>>
>> _______________________________________________
>> yt-dev mailing list
>> yt-dev at lists.spacepope.org
>> http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org
>>
>
> _______________________________________________
> yt-dev mailing list
> yt-dev at lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.spacepope.org/pipermail/yt-dev-spacepope.org/attachments/20120315/5e7f65bf/attachment.html>