[petsc-users] slepc trap for large matrix

[Jose E. Roman]

> El 5 jun 2017, a las 19:37, Kannan, Ramakrishnan <kannanr at ornl.gov> escribió:
> 
> I am running EPS for NHEP on a matrix of size 119999808x119999808 and I am experiencing the attached trapped. This is a 1D row distributed sparse uniform random matrix with 1e-6 sparsity  over 36 processors. It works fine for smaller matrices of sizes with 1.2 million x 1.2 million. Let me know if you are looking for more information.
>  
> -- 
> Regards,
> Ramki
>  
> <slepc.e609742.zip>

In the log it seems that you are using more than 36 processors...

Could you try running with the additional option 
-bv_type vecs
to see if the error persists?

Thanks.
Jose