On Nov 12, 9:20 am, "William Stein" <[EMAIL PROTECTED]> wrote:
> On Mon, 12 Nov 2007 06:47:06 -0000, Robert Miller <[EMAIL PROTECTED]> wrote:
> >> > (1) Do you or do you not actually have the same problem when
> >> > you build the same code under Linux?   You don't say above.
>

Hello,

> >> I hadn't had the chance to try yet, but I have now. I can't get it to
> >> give any error in linux at all. All the tests pass, in and out of gdb
> >> mode. I tried several times.
>

If you want to send me a patch/bundle against 2.8.12 or so and
instructions on how to reproduce this and I will take a look.

> > Turns out I was testing the wrong branch. I can reproduce the problem
> > in linux, and here I actually get a useful-ish backtrace, since gdb
>
> ^^^^^^^^^^
>
> I just want to make the general observation that developing Sage only
> on OSX is not a very sensible thing to do, just as you just noted.
> E.g., the valgrind tool exists only in Linux,

That should change in the near future.

> and is potentially
> very useful.  So OS X users (like I am this month :-) ), really should
> at least install Linux too and use it for subtle debuging issues.
>
> So you're definitely doing the right thing.
>

Mastering more than one OS is a must in my book ;)


>
> > has enough information. The relevant line in my .pyx file is a simple
> > sage_free call. It looks like an array overflow problem or something.
> > I guess this is all good news, since it seems as if gdb in os x 10.5
> > could get me this information too if the build had finished.

I have seen the issue with gdb printing loads of output at startup of
sage, but I didn't know that it also happened on 10.4 also. I might
have a look on either how to get around this or actually solve the
problem.

Cheers,

Michael

<SNIP>
>
> --
> William Stein
> Associate Professor of Mathematics
> University of Washingtonhttp://wstein.org


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