[petsc-users] Fatal error in MPI_Allreduce: Error message texts are not available[cli_9]: aborting job:

[Dominik Szczerba]

Debugger does not start (properly), see the other reply.

Thanks
Dominik

On Sat, Aug 6, 2011 at 1:02 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> On Fri, Aug 5, 2011 at 16:58, Dominik Szczerba <dominik at itis.ethz.ch> wrote:
>>
>> Why would it happen only for np>8?
>
> Depends on the logic in your code. I would start in a debugger with
> breakpoints on the lines calling MatAssemblyBegin() and VecAssemblyBegin().
> You can get line numbers from the stack trace you sent, if you are calling
> those functions more than once.