I see in ompi/mca/btl/openib/btl_openib/connect/btl_openib_connect_oob.c and .../btl_openib_connect_xoob.c what looks like assignments of the form
path_mtu = MIN( device_mtu, remote_mtu );
In ompi/mca/btl/openib/btl_openib/connect/btl_openib_connect_oob.c(289) it looks correct:
enum ibv_mtu mtu = (openib_btl->device->mtu < endpoint->rem_info.rem_mtu) ?
openib_btl->device->mtu : endpoint->rem_info.rem_mtu;
However, in ompi/mca/btl/openib/btl_openib/connect/btl_openib_connect_xoob.c(462 and 563), it looks suspicious (different remote_mtu's):
attr.path_mtu = (openib_btl->device->mtu < endpoint->rem_info.rem_mtu) ?
openib_btl->device->mtu : rem_info->rem_mtu;
Can someone verify that the code in ompi/mca/btl/openib/btl_openib/connect/btl_openib_connect_xoob.c is correct?
US Geological Survey
On 5 May 2011, at 7:15 AM, Jeff Squyres wrote:
Fixed the ROMIO attribute problem properly this time -- it's in the usual place: http://www.open-mpi.org/software/ompi/v1.4/
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