On 10/ 6/10 03:18 PM, Jean-Pierre Flori wrote:
Sage segfaults when printing a copy of something symbolics :
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).
------------------------------------------------------------
I thought it could be because I messed up something in symbolics code.
But it also happens with the version distributed for Ubuntu, so if
someone confirms the bug, I'll open a ticket on Trac.
This does not happen with "deepcopy":
sage: deepcopy(x)
x
I can confirm this - at least with sage-4.6.alpha1
drkir...@hawk:~/sage-4.6.alpha1$ ./sage
----------------------------------------------------------------------
| Sage Version 4.6.alpha1, Release Date: 2010-09-18 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
**********************************************************************
* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
**********************************************************************
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).
------------------------------------------------------------
Dave
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