100G ethernet failing to load in kernel 3.17 (cx415A)
Hi, I am trying to up 100G Ethernet driver in RHEL with kernel 3.17. But it is not working 1. I have installed mlnx-en-3.3-1.0.0.0.tgz, because of that all our IB drivers are unloaded2. I have...
View ArticleNFS over RoCE Ubuntu 16.04 with latest OFED
I'm having trouble with NFS over RoCE on Ubuntu 16.04 using the latest OFED (MLNX_OFED_LINUX-3.3-1.0.4.0-ubuntu16.04-x86_64.tgz) Works with Inbox drivers (mostly) but not no much with latest OFEDI...
View ArticleChange mlx5 to Ethernet mode without mlxconfig
I'm doing some testing of various network technologies (Omini_path, iWARP, RoCE, ConnectX-3, ConnectX-4 and hopefully soon ConnectX-5) to find which fits our workload best. I'm writing a test suite...
View ArticleRe: FlexBoot linux IBoIP
IPoIB installation fails as RedHat/CentOS doesn't support it. Even if the IPoIB modules are integrated into the RAMFS, installation will not recognize ipoib device as suitable for installation
View ArticleRe: Does ConnectX-3 support header split?
Hello Jeff, Their isn't a simple answer to your question since it requires Development involvement, i suggest you open case internally at support@mellanox.com. Thank you.Cheers,.R
View ArticleRe: Mellanox ConnectX2 quad Rate IB Mezz card stopped functioning on Dell...
If this helps someone..I did not receive any reply from anyone, so I went ahead and replaced the faulty card with a similar one and it worked without further reconfiguration.
View ArticleRe: Mellanox eSwitchd issue on Openstack Kilo?
Hi all,I'm still working on this problem.Does anyone have the same problem or solution of this?Any suggestions are welcomed. I'm totally lost.
View ArticleRe: Mellanox eSwitchd issue on Openstack Kilo?
Hi Muneyoshi, My apologies for the late reply. If the problem is that ib0 is not up it usually means that the port is not connected to switch or another ib portIf executing “ifconfig ib0 up” will not...
View Articleib_write_bw error connecting to server with rdma_cm option
I am trying to run a ib_write_bw test with --rdma_cm(-R) option, the 2 hosts are connected to back to back with infiniband.I get an error connecting to server. One host has Waiting for client to...
View ArticleWindows Server 2016 Expected Speeds?
We have a mellanox connectx-3 NIC connected to a Mellanox 1012 12x40GE switch operating with Windows Server 2016. We've used the beta software driver provided by mellanox but can't seem to get...
View ArticleOpenMPI with MXM 32bit issue
We have the problem that after 2.147 billion messages, which is the range of an int32_t, we cannot receive any more messages. Compiling OpenMPI with the flag "--with-mxm=/path/to/mxm" causes this...
View ArticleRe: ib_write_bw error connecting to server with rdma_cm option
HiRak Kplease try to use the interface IP Address (mellanox interface ip) instead of the host name in the client side. Thanks,Talat
View Articlekrping (4.7 kernel version) crashing with mlx5_core (CX415A), it is passing...
Hi,I am trying to run krping code which I got from the below link on the Linux kernel 4.7GitHub - larrystevenwise/krping: Kernel Mode RDMA Ping with 4.7 kernel I can able to use mlx4 card (). But it...
View ArticleRe: 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
View ArticleRe: 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...
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...
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 Article