On Monday 27 October 2008, Rick Warner wrote: > Hi all, > > I am configuring an opteron cluster with connectX Infiniband. I have a > problem that if I run one of the NAS tests, it works the first, and maybe > 2nd time, but after that the jobs instantly fail with messages like this- > > [Rank 44][cm.c: line 860]poll CQ failed -2 > [Rank 51][cm.c: line 860]poll CQ failed -2 > [Rank 119][cm.c: line 860]poll CQ failed -2 > [Rank 85][cm.c: line 860]poll CQ failed -2 > [Rank 0][cm.c: line 860]poll CQ failed -2 > [Rank 9][cm.c: line 860]poll CQ failed -2 > [Rank 26][cm.c: line 860]poll CQ failed -2[Rank 43][cm.c: line 860] > poll CQ failed -2 > [Rank 94][cm.c: line 860]poll CQ failed -2 > [Rank 111][cm.c: line 860]poll CQ failed -2 > > I can easily reproduce this with only 2 systems using a 16 process LU job, > class B. > > Here are the configs I've tried- > Suse 11 with distro provided IB driver and libraries,etc, using mvapich as > provided by ohio state > Suse 11 with distro driver, using OFED 1.3.1 libraries and mvapich > Suse 10.3 with OFED 1.3.1, OFED 1.2.5.4, and OFED 1.4rc3 > > They all have the same basic problem. I think one of them reported "Error > polling CQ" instead of "poll CQ failed". > > If I replace the connectX cards with regular DDR cards the problem goes > away. > > I'm getting quite stumped at this point and would appreciate any > suggestions or patches. > > Thanks, > Rick
I forgot to mention- on Suse 11 I also tried a manually compiled 2.6.26.4 and 2.6.27.2 kernel, using the in kernel drivers. Thanks, Rick -- Richard Warner Lead Systems Integrator Microway, Inc (508)732-5517 _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
