[Users] OpenSM high cpu usage on ESXi

[Hal Rosenstock]

On Fri, Jun 7, 2013 at 7:22 AM, Raphaël SCHITZ <raphael at schitz.net> wrote:

>  Hi,
>
>  Thanks to Hal Rosenstock, i was finally able to package a functional vib
> for ESXi 5.x : http://www.hypervisor.fr/?p=4662
>
>  It is now possible to manage opensm on ESX side so no switch needed for
> back to back connection.
>
>  Thanks again Hal!
>
>

Thanks! I can understand a good bit of what was written but my French isn't
quite enough for everything written there ;-)

Is this now packaged up for others to use ?

-- Hal


>
>
> On 6 avr. 2013, at 02:32, "Raphaël SCHITZ" <raphael at schitz.net> wrote:
>
>   Hi,****
>
> ** **
>
> To start practicing infinband in my personal home lab, i managed to
> compile OpenSM for ESXi to avoid buying an expansive switch and do
> back-to-back wiring between two HP ML110 servers and Mellanox Connect X
> cards. The trick is compiling the binary on CentOS 3.9 i386 and that makes
> is usable on ESXi but i had to modify some device path access
> (/sys/class/infiniband to /proc/infiniband and /dev/infiniband to /dev) in
> the source files of OpenSM.****
>
> ** **
>
> It’s working but i have some issues and they might be related.****
>
> ** **
>
> First, the cpu usage of two of the OpenSM processes are too high (almost
> 100% each) and makes me think of a cpu loop or something similar.****
>
> Second, i got a constant massive flow of this error in the opensm.log :
> [2F66AB90] 0x01 -> umad_receiver: ERR 5404: recv error on MAD sized umad
> (Resource temporarily unavailable)****
>
> ** **
>
> Could some one help me to understand and solve this ?****
>
> ** **
>
> Thanks****
>
> RS****
>
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