Re: OpenMPI MXM problem
Hi Nils,Turns out that you need to add this "-x MXM_OOB_FIRST_SL=0" to your mpirun on your cluster.Otherwise if you do a pstack on a process which it is hung, you would find that the process is hung in...
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Re: ISR 9024S-M can not take admin password
Hi James, Try to login as root and clear some room on the disk: Login to the switch as root (default root credentials below unless someone changed them before the switch arrived to your possesion)User:...
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Re: ISR 9024S-M can not take admin password
Dear Eddie Notz, Thank you so much. The password works. I logged in and go to /mnt/jffs. I found a hug log file and deleted it. Then I run reboot. After reboot the Infiniband switch works...
View ArticleRe: Mellanox Infiniband + mmap() + MPI one-sided communication fails when...
MOFED does have openmpi that use UD QP by the default, or you can try HPC-X Toolkit from Mellanox site, that available for different OSes.Check ulimits (Environment Problems | Intel® Developer Zone)...
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connecting two Connectx 2 nics
I want to connect two workstations together using two Connectx 2 nice. Both appear to be functioning correctly.Windows 10 on both machines
View ArticleRe: Joining + Leaving multicast group leads to hanging on ib_close_al
Additional info: Init data for ib_join_mcast (joinInit - data from config - they are correct because messages were received): ib_mcast_req_t mcast_req; memset(&mcast_req, 0,...
View ArticleJoining + Leaving multicast group leads to hanging on ib_close_al
HiOperations ib_join_mcast and ib_leave_mcast in my application return success but ib_close_al hangs.If I do not use ib_join_mcast and ib_leave_mcast than ib_close_al does not hang and the application...
View ArticleRe: Joining + Leaving multicast group leads to hanging on ib_close_al
Environment: IB driver:Mellanox OFED for Windows - WinOF VPI Rev 5.10.50000Windows Client 8.1 Hardware (output from vstat):hca_idx=0uplink={BUS=PCI_E Gen3, SPEED=8.0 Gbps, WIDTH=x8,...
View ArticleRe: connecting two Connectx 2 nics
You need to provide additional information.. Did you assign them an IP ?What driver version are you using?Model # of the cards?
View ArticleArchive Drivers Windows 7 & Windows 2008r2
I'm looking for OLD drivers that are compatible with a Connect IB Card (MHGH28-XTC). I believe they are around version 3.6 or so, I had it working a few years back and wanted to try it out again but...
View ArticleHow to configure multiple IPv4 subnets on a single VLAN interface
I am configuring an SX1012 (3.4.2008).We have a VLAN that carries two IPv4 subnets (one with public addresses, the other with a private NATed address space).How do I have to configure the VLAN...
View ArticleRe: How to configure multiple IPv4 subnets on a single VLAN interface
Hi Frank, The software doesn't support configuring more then 1 IP address on the SVI.
View ArticleRe: How to configure multiple IPv4 subnets on a single VLAN interface
Ouch!Is this really true? Is it on the roadmap at least?Any other way to support private and public IP subnets simultaneously?
View ArticleRe: connecting two Connectx 2 nics
ConnectX EN MT26448both have IP addressesdriver 5.10
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Re: connecting two Connectx 2 nics
Can you ping the cards (loopback)? Have you tried connecting it from Card 1 Port 1 to Card 2 Port 2 ?
View ArticleRe: OFED/IBDUMP for ConnectX-4
Dear Phil,The fix will be in OFED 3.3. I am not sure if it is released yet. upstream does not have the sniffer code yet.Regards,Huy
View ArticleObserving long delay with RoCE using ConnectX-4 and SN2700
We’re experimenting with our RDMA software on the Lib IB Verbs library, and have a puzzling problem. Our 19-node cluster is unusual: we have Mellanox 100Gbps switches both for IB and ROCE, two switches...
View ArticleRe: Observing long delay with RoCE using ConnectX-4 and SN2700
Hi Weijia, What is the SN2700 software version? output of "show version" Please make sure you either configure PFC according to HowTo Run RoCE over L2 Enabled with PFC or just for testing purposes...
View ArticleRe: connecting two Connectx 2 nics
The driver release notes states that 5.10 doesn't support ConnectX-2. The last driver version to support ConnectX-2 devices is WinOF 4.80 available under: Win...
View ArticleRe: ConnectX EN 4 Gbit/s limit problem
Hello, Looking at the Mellanox OFED 3.2 release notes, it is mentioned in the compatibility matrix that the ConnectX-EN cards is not tested against this driver build. As this is an older generation...
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