On 10/ 7/10 08:55 PM, kcrisman wrote:
On Oct 7, 11:44 am, "Dr. David Kirkby"<david.kir...@onetel.net>
wrote:
On 10/ 6/10 03:18 PM, Jean-Pierre Flori wrote:
Sage segfaults when printing a copy of something symbolics :
sage: copy(x)
As I noted earlier, I see this on my machine (Sun Ultra 27 running OpenSolaris).
However, it must be relatively new, as I do *NOT* see the segfault at
http://t2nb.math.washington.edu:8000
which is running Sage 4.5.1. That said, that's a big-endian machine, which could
just be relevant.
Conceivable, since it's definitely not new, as I get
----------------------------------------------------------------------
| Sage Version 4.4.4, Release Date: 2010-06-23 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
Loading Sage library. Current Mercurial branch is: hackbranch
sage: copy(x)
------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component
of Sage has a bug in it (typically accessing invalid memory)
or is not properly wrapped with _sig_on, _sig_off.
You might want to run Sage under gdb with 'sage -gdb' to debug this.
Sage will now terminate (sorry).
------------------------------------------------------------
While on my PPC OS X 10.4 machine, I just get a long hang (this is
4.6.alpha2) with no output.
So at any rate the behavior is very machine-dependent at this point,
but not really ideal on any of them (with the possible exception of
t2).
- kcrisman
Worth noting is the PPC and SPARC are both big endian, so the fact it is ok on
t2 does not mean it's only a problem on little endian machines.
When Sage builds, there are around 3000 warnings messages from the compilers. I
can't help feeling we should be spending a bit more time looking over those, and
a bit less time adding new features.
Dave
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