Ruben Niederhagen wrote:
Jack Morgenstein wrote:
On Sunday 03 February 2008 11:09, Ruben Niederhagen wrote:
How do I enlarge this limit? The line
#<domain>      <type>  <item>         <value>
*               hard    locks           1024
in /etc/security/limits.conf (+reboot) didn't do the trick...

should be:

*               hard    memlock         1024
*               soft    memlock         1024

You used "locks", which refers to file locks, not memory locks.

Thanks a lot, setting the value to 1024 leads to

$ ibv_srq_pingpong
Couldn't create QP[13]

with 2048 everything works fine!
Please pay attention: the amount of memory pages that you need to be able to lock depends on the amount of the objects (for example: number of QPs) and the size of those objects (to continue the previous example: in a QP, number of WRs and number of S/Gs).

Dotan
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