Re: Bus Error: 10 (Intro Tutorial)

I found the problem. I had overridden __getattr__ and returned
self.value which did not yet exist on the object. This caused a
maximum recursion depth RuntimeError. I'm still not sure why this
became "Bus error: 10", however.

James Leard

On Apr 23, 1:31 pm, Nikolas Stevenson-Molnar <nik.mol...@consbio.org>
wrote:
> I would try reinstalling Python and Django. This seemed to resolve the
> issue of the original poster.
>
> _Nik
>
> On 4/21/2012 3:18 PM, James wrote:
>
>
>
>
>
>
>
> > I just started receiving the same error "Bus error: 10". I made a
> > small code change and
> > it suddenly appeared. I've reverted but that doesn't seem to matter.
> > Very odd behavior.
> > I'll continue debugging. My settings:
>
> > Python 2.7.1
> > OS:X Lion 10.7.3
> > Django 1.4.0
>
> > James Leard
>
> > On Apr 20, 7:58 am, Tom Evans <tevans...@googlemail.com> wrote:
> >> On Thu, Apr 19, 2012 at 5:11 PM, Harald Sigh Andertun
>
> >> <harald.ander...@gmail.com> wrote:
> >>> I'm sorry. Actually that was not the solution. It works sometimes now, which
> >>> it didn't before. I'll attach a screenshot.
> >>> I'm on mac (OS X Lion).
> >> A bus error occurs due to unaligned memory access, or access to a non
> >> existent memory address. In the absence of an actual bug (which others
> >> would see), this clearly indicates that one or another of the C
> >> libraries used by python conflicts with it.
>
> >> This could happen if you compiled a C library to use with python, like
> >> one of the many python packages that consist of a small C library
> >> (mysql and postgresql DB adaptors, PIL, many others), and use it with
> >> a different python than it was compiled against.
>
> >> It probably has very little to do with django - django is pure python
> >> - but with one of the libraries that is used by django or your code.
> >> The solution is simple; remove everything, start from scratch and
> >> recompile/reinstall everything relevant.
>
> >> It is probably trickier as OS X does interesting things with python,
> >> and most users end up with a system python and a user python. Making
> >> sure your installed extensions are compiled and used with the right
> >> python is then what is important.
>
> >> Cheers
>
> >> Tom

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