<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.3354" name=GENERATOR></HEAD>
<BODY>
<DIV>> CMA: unable to open /dev/infiniband/rdma_cm<BR>> LS21-05:32561:
open_hca: ERR - RDMA channel No such file or directory<BR>> LS21-05:32561:
dapls_ib_open_hca failed 40000<BR>> DT_cs_Server: Could not open ib0
(DAT_INTERNAL_ERROR )<BR>> DT_cs_Server: Waiting for clients to all go
away...<BR>> DT_cs_Server: Cleaning up ...<BR>> DT_cs_Server (ib0):
Exiting.<BR>><BR>> File /dev/infiniband/rdma_cm exists on RHEL servers,
but not on SLES servers. ib0 can communicate with other servres. Any advice or
comments? Thanks in advance!<BR><BR>Will anyone give some advice? Thanks in
advance. Here are the different file locations on my SLES and RHEL nodes.<SPAN
class=967300016-22092008><FONT face=Arial color=#0000ff
size=2> </FONT></SPAN></DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff size=2>Looks
like rdma_ucm module didn't get loaded. </FONT></SPAN><SPAN
class=967300016-22092008><FONT face=Arial color=#0000ff size=2>Check
/etc/infiniband/openib.conf and make sure loading rdma_ucm is set
properly:</FONT></SPAN></DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff
size=2>[root@cst-53 dapl]# cat /etc/infiniband/openib.conf<BR># Start HCA driver
upon boot<BR>ONBOOT=yes</FONT></SPAN></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff size=2># Load
RDMA_CM module<BR>RDMA_CM_LOAD=yes</FONT></SPAN></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff size=2># Load
RDMA_UCM module<BR><STRONG>RDMA_UCM_LOAD=yes<BR></STRONG></FONT></SPAN></DIV>
<DIV><SPAN class=967300016-22092008><FONT face=Arial color=#0000ff
size=2>-arlin</DIV></FONT></SPAN>
<DIV><FONT face=Arial color=#0000ff
size=2></FONT><BR><BR><BR> </DIV></BODY></HTML>