I have a rather complicated toolset, that opens multiple hdf5 files.
I'm having a problem under certain conditions. The simplest example we
have so far is that I open up a pre-existing file in mode "a". I don't
write any data to the file, and the file was originally created by
PyTables. I open a dataset, then drop all references, open a second,
then call (roughly)
fyle.root._f_getChild(node_name)
which leads to a segmentation fault.
I've tried doing as many steps as possible in my own code, and it looks
like the crashing code is in
fyle.root._g_getLChildAttr(nodePath,"CLASS")
The odd thing is that if I call
[n._v_name for n in fyle.root]
before the call to fyle.root._f_getChild, the code runs fine.
Any ideas on how to debug this any further? I will try to make a
simpler case, but I can't promise I will succeed. I'm running PyTables
2.1.2 that comes with Ubuntu 9.10.
--
Anthony Foglia
Princeton Consultants
(609) 987-8787 x233
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