There is a bug in MeshDirCorners.py, the link_id is not properly set when
connecting dma to router0. Without setting the link_id, it will give out the
following errors:
fatal: system.ruby.network.topology.ext_links36.link_id without default or user
set value
Segmentation fault
1 --- MeshDirCorners.py 2011-06-03 14:52:18.000000000 -0400
--- MeshDirCorners.py 2011-06-03 14:52:18.000000000 -0400
+++ MeshDirCorners_new.py 2011-11-23 09:40:36.000000000 -0500
@@ -99,7 +99,7 @@
# Connect the dma nodes to router 0. These should only be DMA nodes.
for (i, node) in enumerate(dma_nodes):
assert(node.type == 'DMA_Controller')
- ext_links.append(ExtLink(ext_node=node, int_node=mesh.routers[0]))
+ ext_links.append(ExtLink(link_id=link_count, ext_node=node,
int_node=mesh.routers[0]))
# Create the mesh links. First row (east-west) links then column
# (north-south) links
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