Getting the Mellanox chip revision
Configuration:Host: CentOS 6.5Mellanox Adapter: ConnectX-3 ENMellanox Driver: MLNX_OFED_LINUX-3.0-1.0.1-rhel6.5-x86_64 with SRIOV enabledVirtualization: KVM with SRIOV devices PCI passthroughed How can...
View ArticleRe: CentOS 7 KVM-SR-IOV Performance?
Thanks for your help, Blair! Yes, I added NUMA information into libvirt domain xml (libvirtd 1.2.8 / CentOS7.1).In case of 4KB mpirun using 40G Ethernet, the result pattern is as follows:*...
View ArticleRe: CentOS 7 KVM-SR-IOV Performance?
Hi Mikyung, Your figures make it look like there might be a problem with hostB's VM... do you get the same results (hostA<->hostB's VM (3521.03 MB/s)) when reversing to hostA's VM<->hostB?...
View ArticleRe: Getting the Mellanox chip revision
Hi, Can you please elaborate on which of the commands that did not work for you? Thanks
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Re: Getting the Mellanox chip revision
Try thisHowTo Find Mellanox Adapter Type and Firmware/Driver version (Linux)
View ArticleRe: Getting the Mellanox chip revision
What is missing was the line Chip rev.: A1from http://www.mellanox.com/page/firmware_HCA_FW_identificationWhen I executed the command listed above it didn't show any line that says Chip rev: ...
View ArticleRe: Getting the Mellanox chip revision
Thanks yairi, but it doesn't show the chip revision. I was looking for physical card chip revision.
View ArticleRe: Getting the Mellanox chip revision
Thanks ophirmaor, exactly what I was looking for. To be precise I was looking for the line that says Engineering changes aka EC from the site you mentioned.[EC] Engineering changes: A4
View ArticleRe: Getting the Mellanox chip revision
Sorry yairi for me hw_ver: 0x1, but the chip rev is A6. I don't see any correlation. Thanks.
View ArticleRe: CentOS 7 KVM-SR-IOV Performance?
Thanks, Blair! I pasted more detail configurations/result on host/vm here. * mpirun result (bandwidth, 4KB message size) - between 2 hosts mpirun -np 2 -host A,B : 3798.62 MB/smpirun -np 2...
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Centos 6.6 with 2.6.37.6 Kernel, MLNX_OFED's mlnx_add_kernel_support.sh failed.
Hi, I try to install MLNX_OFED software on centos 6.6 machine which use 2.6.37.6 kernel compiled from source from kernel.org .I'd want to keep it as 2.6 that compiled from mainline source not any...
View ArticleRe: what happens when RoCE is run over lossy L2?
Dear YairiThe referred article does answer my query. thanks."An underlying lossless Ethernet network is required for RoCE traffic only in order to avoid systematic packet drops resulting from resource...
View ArticleProblems occur when testing the Programming Examples Using IBV Verbs
My Cards are ConnectX-3Pro EN (mcx311A-XCCT), and are connected with back-to-back mode (two cards and a wire). When I attempt to test the programming Examples Using IBV Verbs given in the...
View ArticleRe: How to enable wake-on-la (wol) on a mellanox InfiniBand card ?
Hi, The WoL feature should be enabled in the .ini file of the device.1. What is the driver version you are using? ('ofed_info -s' would provide this info)2. What is the PSID and FW version of the card...
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RDMA issue with SoftRoCE
I am trying to check working of RDMA with SoftRoCE. When I try to run rping it sends me "cma event RDMA_CM_EVENT_UNREACHABLE, error -110" what can be the possible scenarios where this error can occur.
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Can you ping to the peer using linux ping (not the RDMA ping)?What is the command line you used on both peers?
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