dolfin team mailing list archive

[Johannes Ring <johannr@xxxxxxxxx>]

On Mon, Jun 21, 2010 at 9:12 PM, Anders Logg <logg@xxxxxxxxx> wrote:
> On Mon, Jun 21, 2010 at 02:37:26PM +0200, Johannes Ring wrote:
>> On Mon, Jun 21, 2010 at 1:53 PM, Anders Logg <logg@xxxxxxxxx> wrote:
>> > On Wed, Jun 16, 2010 at 11:49:32AM +0200, Johannes Ring wrote:
>> >> On Wed, Jun 16, 2010 at 11:27 AM, Anders Logg <logg@xxxxxxxxx> wrote:
>> >> > When should the deadline be for making the new releases?
>> >> >
>> >> > Is it too later if we finish by June 23rd?
>> >>
>> >> Well, it might be too late for automatic imports from Debian to
>> >> Ubuntu, but I can request manual imports later. It worked out fine the
>> >> last time. So June 23rd sounds good for me.
>> >
>> > ok, let's aim for 23rd (Wednesday this week).
>> >
>> > Anything that we need to fix before the release?
>> >
>> > The buildbot fails with this message when running the extrapolation demo:
>> >
>> >  run-time error: auxlib::solve_od(): need LAPACK
>>
>> I have the same problem on my laptop.
>>
>> > Is there something that needs to be installed on the buildbot?
>>
>> I'm not sure whats wrong but the problem seems to be that I have built
>> Armadillo with debugging turned on (-DCMAKE_BUILD_TYPE:STRING=Debug)
>> on the buildbot (and on my laptop). When I run gdb on
>> demo/adaptivity/extrapolation/cpp I get this:
>>
>> [...]
>> #7  0xb76340b9 in dolfin::Extrapolation::compute_coefficients
>> (coefficients=@0xbfe89fc0, v=@0xbfe8a258, V=@0xbfe8a3b8,
>> W=@0xbfe8a338,
>>     cell0=@0xbfe89f98, c0=@0xbfe89f58, dofs=@0xbfe89fd0, offset=@0xbfe89fcc)
>>     at /home/johannr/src/armadillo-0.6.10/Build/local/include/armadillo_bits/debug.hpp:218
>> #8  0xb7634e5b in dolfin::Extrapolation::extrapolate (w=@0xbfe8a178,
>> v=@0xbfe8a258) at dolfin/adaptivity/Extrapolation.cpp:72
>> #9  0xb740bd54 in dolfin::Function::extrapolate (this=0xbfe8a178,
>> v=@0xbfe8a258) at dolfin/function/Function.cpp:330
>> #10 0x0805c768 in main () at main.cpp:44
>>
>> Should I just rebuild Armadillo with debugging off on the buildbots?
>>
>> Johannes
>
> Could you add some debugging to Extrapolation.cpp to see where things
> go wrong? Find the line that says
>
>  arma::Col<double> x = arma::solve(A, b);
>
> and print something before and after. It would be interesting to see
> if
>
>  1. This is where it breaks
>  2. It breaks already the first time or just for particular input data

Yes, this is where it breaks and it breaks the first time. Anything
else I should try?

Johannes