[yt-dev] seg fault on projections
Matthew Turk
matthewturk at gmail.com
Thu Mar 15 07:10:48 PDT 2012
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)
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