Re: [mesa-users] Segfaults when running from photo

[Warrick B. <wb...@as...>]

Kent,

This is a fresh installation and I'm taking photos from the run I've done 
only moments before (so the same version). Even if I clear the photos/
directory to make sure a new photo is generated, I get the segfault.

W

On Thu, 14 Apr 2011, Kent Budge wrote:

> Warrick,
>
> The photo restarts aren't guaranteed to work across versions of MESA.
>> From the "How to Use MESA" web page:
>
> "Also, it should be emphasized that the photos are not intended for
> long-term storage of models—the ‘save_model_number’ scheme described
> above is meant for that purpose. Instead the photos are intended for use
> during one specific run. In particular, when you update to a new version
> of MESA star, you should expect your existing photo files to become
> obsolete. If you have a lengthy run in progress when you want to update
> MESA, then you should do ‘save_model_number’ to save state before
> starting the update, and then do ‘load_saved_model’ to resume the
> evolution after you have done the update."
>
>
> On Thu, 2011-04-14 at 14:11 +0100, Warrick Ball wrote:
>> Hi,
>>
>> I've just successfully installed MESA revision 3190. When I compile with
>> gfortran (GCC 4.5.2), it runs on all of the "first things to try", except
>> for restarting from a previous photo. After the first suggested run, if I
>> try
>>
>> ./re x050
>>
>> I get the output
>>
>> x050
>> Revision: 3190
>> Thu Apr 14 13:23:57 BST 2011
>>   read extra star_job inlist1 from inlist_first_thing_to_try
>>   read extra controls inlist1 from inlist_first_thing_to_try
>>   read restart_photo
>> ./re: line 28: 29003 Segmentation fault      ./star
>> Thu Apr 14 13:24:00 BST 2011
>>
>> I've explored the operating scripts a bit but I really can't see what the
>> problem is. I've recompiled from scratch and checked things like disk
>> space too, just to be sure.
>>
>> When I compile using ifort (11.1), everything works as expected.
>>
>> Not sure what other information is useful. I'm on RHEL 5.6, x86-64 arch
>> (Intel Core 2).
>>
>> Cheers,
>> Warrick
>>
>

-- 
Warrick Ball, PhD student
Institute of Astronomy, Cambridge UK
+44(0)1223 766653