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Re: ib_write_bw error connecting to server with rdma_cm option
talatb I get the same error with ip address, any other setup required?
View ArticleRe: 40 GbE External Metallic Loopback Plug?
Hi David, We don't manufacture 40GbE loopback cables and we don't have any recommendation for any of these cables. ThnaksKhwaja
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Re: ib_write_bw error connecting to server with rdma_cm option
Hi Rak, Is the rdma_ucm and rdma_cm modules loaded ?could you please send the setup information ? Driver, Firmware, Device and Operation system.
View ArticleRe: CQE completed in error - vendor syndrom:216 syndrom:2
The issue might be related to by PCI bus, but it is difficult to say without deeper analyzing of the whole source code including OS. I may recommend to put more prints in FreeBSD and your code, and...
View ArticleRe: Does MCX3141 only support ubuntu12.04? whether support 14.04 &15.04&15.10...
Hi, You should install MLNX_OFED latest driver- version 3.3-1.0.4.0 that supports both Ubuntu 15.04 and 14.04 versions.There should not be any problem to work with this type of card in Ubuntu 15.04 and...
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Re: Does MCX3141 only support ubuntu12.04? whether support 14.04 &15.04&15.10...
Hi, You should install MLNX_OFED latest driver- version 3.3-1.0.4.0 that supports both Ubuntu 15.04 and 14.04 versions.There should not be any problem to work with this type of card in Ubuntu 15.04 and...
View ArticleRe: 100G ethernet failing to load in kernel 3.17 (cx415A)
In order to get working configuration, check the MOFED release notes for supported OS/kernel matrix available from Mellanox...
View ArticleRe: krping (4.7 kernel version) crashing with mlx5_core (CX415A), it is...
krping is not part of Mellanox OFED. Could you contact 'kpring' developers and check if they can point on any issue with mlx5 driver?
View ArticleRe: Change mlx5 to Ethernet mode without mlxconfig
Hi Robert, the Connect-IB HCA only actually supports InfiniBand so that's why you can't configure it to Ethernet. Only the ConnectX cards have dual personalities where you can config them to either IB...
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Re: OpenMPI with MXM 32bit issue
Hello Thomas, Did you mean to run this test on one host or on two?If on 2, please add ‘--map-by node’ to the command line and rerun.I verified that it works: $/usr/mpi/gcc/openmpi-1.10.3rc4/bin/mpirun...
View ArticleRe: OpenMPI with MXM 32bit issue
Hello Alina, thank you for your response. I meant the case on one host, but I will check the two host case anyway.One part of the problem is, that although the Infiniband network is not involved in the...
View ArticleMellanox Connectx-2 shows cable unplugged when connected to switch
I am new to 10gbe, and was able to direct connect 2 test severs using Connectx-2 cards and SPF+ cable successfully, but when connected to the SPF+ port on my 3Com switch, it shows the cable unplugged....
View ArticleRe: OpenMPI with MXM 32bit issue
Well, thats interesting.The case on two hosts works fine:$ /opt/openmpi-2.0.1-jessie-mxm-mt/bin/mpirun -np 2 -hostfile hostfile --map-by node --display-map -mca pml yalla openmpi_mxm_freezeData for JOB...
View ArticleRe: OpenMPI with MXM 32bit issue
I see. I will check this and get back to you. In the meantime can you please check if adding the following to the command line resolves the hang?-x MXM_TLS=udor-x MXM_TLS=rc Thanks,Alina.
View ArticleRe: Is it possible to switch ConnectX-3 VPI into Ethernet mode in Solaris 11.1?
If you change ETH, ETH mode with mlxconfig, Solaris 11.3 or above support ethernet mode with ConnectX-3 HCA...:)
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Re: OpenMPI with MXM 32bit issue
Both options work, while the "ud" option is significantly slower.
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MPI startup():ofa fabric is not available and fallback fabric is not exist
Hello All,I hope you are well. We are facing the above issue whenever we submit second simulation job. The first job goes through smoothly but the second job exits with the above error. Any ideas what...
View ArticleDriverdisk for Xenserver 7?
Hi,can Mellanox support us with a Xenserver 7 Driver Disk for the MT26468 [ConnectX EN 10GigE, PCIe 2.0 5GT/s Virtualization+] (Hewlett-Packard Company HP NC542m Dual Port Flex-10 10GbE BLc Adapter)?...
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Re: ping is not happening between MCX314A and MCX354A 40G Etherenet slots
Hi!MCX354A is Infiniband HCA and MCX314A is Ethernet only Adapter.If you install Infiniband driver and MCX354A, you must change Ethernet mode then you can ping to MCX314A end-to-end connection without...
View ArticleRe: Windows Server 2016 Expected Speeds?
You've not mention your CX-3 speed rate (I assume it's 40Gb/s), neither the actual performance you've achieved, but to try and get the oprtimim perfromance I would suggest to start with the following...
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