I often see this error when a MPI_Barrier() call is not placed in
front of the MPI_Finalize(). One of the processes exits early and
MPICH doesn't like that too much.
-b
On Oct 6, 2006, at 3:50 PM, Jeffrey B. Layton wrote:
Afternoon cluster fans,
I'm working with a CFD code using the PGI 6.1 compilers and
MPICH-1.2.7. The code runs fine for a while but I get an error
message that I've never seen before:
[2] MPI Internal Aborting program Deep nest in Check_incoming
[2] Deep nest in Check_incoming
This error message is in the error file from PBS. The output from
the code gives the following:
p2_15458: p4_error: : 1
p5_21530: p4_error: net_recv read: probable EOF on socket: 1
p7_21548: p4_error: net_recv read: probable EOF on socket: 1
p6_21539: p4_error: net_recv read: probable EOF on socket: 1
rm_l_6_21544: (95.492188) net_send: could not write to fd=5, errno
= 32
rm_l_2_15464: (95.835938) net_send: could not write to fd=5, errno
= 32
rm_l_5_21535: (95.574219) net_send: could not write to fd=5, errno
= 32
rm_l_7_21553: (95.410156) net_send: could not write to fd=5, errno
= 32
The code runs fine with other MPI implementations (Scali,
MVAPICH, etc.) My googling efforts haven't yielded anything.
Does anyone have any input on this?
Thanks!
Jeff
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