[ofa-general] ibv_ud_pingpong error

Galen Shipman gshipman at lanl.gov
Wed Jun 6 10:58:45 PDT 2007


Hey Jeff,

I think you need to up your locked memory  limits,
We have a faq entry on this here:
http://www.open-mpi.org/faq/?category=openfabrics#ib-locked-pages

Ignore the Open MPI specific parts, the rest I think applies.

- Galen

On Jun 6, 2007, at 11:52 AM, Jeffrey Wong wrote:

>
>
> Seems that if I'm logged in as root the command works fine without
> making any settings changes, but if I'm logged in as another user I am
> getting the same error.  Are there permissions that I need to set on
> binaries in order to run the pingpong as a regular user instead of  
> root.
>
>
> Thanks,
> Jeff
>
> -----Original Message-----
> From: G.O. [mailto:gurhan.ozen at gmail.com]
> Sent: Wednesday, June 06, 2007 10:39 AM
> To: Jeffrey Wong
> Cc: general at lists.openfabrics.org
> Subject: Re: [ofa-general] ibv_ud_pingpong error
>
> On 6/6/07, Jeffrey Wong <jwong at datallegro.com> wrote:
>> Hello,
>>
>> I have installed OFED1.2-rc4 on the my development machine.  When I
> try to
>> do a ping pong test I get the following error message:
>>
>>
>>
>> [ingres at centos5:master ~/jwong/tcp/ib_common_tcp]$ ibv_ud_pingpong
>>
>> libibverbs: Warning: RLIMIT_MEMLOCK is 32768 bytes.
>>
>>     This will severely limit memory registrations.
>>
>> Couldn't create QP
>>
>
>     Hi,
>    If you are using bash shell do something like:
>
>     ulimit -l unlimited
>
>   to get rid of that limit and try again.  You can alternatively set
> it to a large number.  Note that using ulimit only changes the limit
> in the current shell, you'll have to edit system-wide configuration
> file to make it permanent.
>
>   Hope this helps.
>   Gurhan
>>
>>
>>
>>
>> Thanks in advance.
>>
>>
>>
>> Jeff
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