[mpich-discuss] Assertion error for bcast2 test (mpich2 1.3 with KNEM)

[Darius Buntinas]

Hi Miao,

This is either in invalid assumption in the lmt_dma code, or a bug somewhere deeper in nemesis/mpich.  I'll have to take a more detailed look at this next week.

-d

On Nov 4, 2010, at 9:17 PM, Miao wrote:

> Hi,
> 
> When I tried to run mpich2 1.3 nemesis with KNEM for the tests inside mpich2 source code, an assertion error for bcast2 test under test/mpi/coll came out as follow:
> 
> $ ../../../bin/mpiexec -machinefile hosts -n 2 ./bcast2
> Assertion failed in file mpid_nem_lmt_dma.c at line 474: ("should never be incomplete!", 0)
> internal ABORT - process 1
> 
> We are wondering if this is a bug within nemesis codes for KNEM and we'd like to report it to mpich2 group.
> 
> Thanks,
> Miao
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