[Numpy-discussion] Three bugs fixed
Fri Dec 4 08:28:13 CST 2009
Charles R Harris wrote:
> On Thu, Dec 3, 2009 at 4:25 PM, Travis Oliphant
> <firstname.lastname@example.org <mailto:email@example.com>> wrote:
> I'm not sure which fix that was. The bus errors started when I
> added the test for #1299. I also fixed the test with the reduceat
> bug in that same checkin, but the SPARC build machines are
> reporting a bus error in testing #1299.
> I'm not sure where the bus error is occurring in that code exactly
> (i.e. the test wasn't being run before my fix so it could have
> exposed a bus error earlier --- obviously I need to play better
> with the build-bots than I am doing).
> The error could certainly been lurking all these years, I don't think
> reduceat gets used much.
> A likely candidate though is the PyArray_Item_INCREF call (though
> it uses the new copy-object-before-refcount-changes semantics).
> Would that cause a bus error? That looks like an alignment issue.
> There was another buffer alignment issue a while back that I fixed,
> I'll try to track it down. Maybe we can get Michael Droettboom to help
> here, he has access to SPARC.
Sure. I have some time to look into it this morning.
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