[aspect-devel] Trilinos problems ( I guess )

Jonathan Perry-Houts jperryh2 at uoregon.edu
Tue Sep 15 16:31:11 PDT 2015


Very weird. Glad I wasn't the only one getting this error but what a
frustrating conclusion. Well, hopefully that's the last we see of that
problem.

-Jonathan

On 09/14/2015 11:46 AM, Wolfgang Bangerth wrote:
> On 09/11/2015 04:58 PM, Jonathan Perry-Houts wrote:
>> For me it's only been on the university's cluster. My workstation and
>> laptop have been just fine.
>>
>> I finally solved it by moving to a newer compiler (I was using OpenMPI
>> 1.6 built on GCC 4.7, and now I'm using OpenMPI 1.8 on GCC 4.9).
>>
>> I think it's not a problem in ASPECT or deal.II because I went back
>> pretty far in the git history (like 150 commits back, in increments of
>> 50) and they all failed with the same error. Deal.ii's step-32 worked
>> the whole time, but I don't think it uses the same preconditioner so
>> that's probably not a fair check that the problem wasn't in deal.ii.
>>
>> Well, whatever. At least it seems to work here now. Sorry I didn't find
>> anything more diagnostic that might help solve this on your desktop,
>> Wolfgang. Keep us posted if you figure it out.
> 
> I tried it just now by installing the current deal.II, then doing a
>   'make clean; make'
> in my aspect build directory and, to my great surprise, it works again
> for the first time in several weeks. I have no idea what changed. I also
> went back a few weeks in the deal.II history (where I'm sure it didn't
> work), compiled deal.II from back then, and it also works. I'm startled.
> I'm also relieved. I don't think there is much else I can do for now,
> other than hope that nobody else runs into this problem...
> 
> Best
>  W.
> 

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