[Lustre-devel] lustre-1.8.8: rdma_listen() backlog 0 breaks iWARP

Steve Wise swise at opengridcomputing.com
Wed Jul 23 08:44:35 PDT 2014


I'm trying to get lustre-1.8.8/RHEL6 running over Chelsio iWARP RNICs and connection setup
is failing at the server due to kiblnd_startup() calling rdma_listen() with a backlog of
0.  This effectively rejects all incoming connection requests.   I looked at lustre-1.8.7,
and the backlog was 256 in that release.  

Q:  Why was it changed to 0?   



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