Hi, The number of allowed qps is controlled in the registry.
Before we try to debug your system, I would like to try and change that number and see if this will solve your problem. Can you go to the registry to the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mlx4_bus\Parameters and increase the key that is called LogNumQp? Please stop and start the mlx4_bus from the device manager and repeat your experiment. Thanks Tzachi From: [email protected] [mailto:[email protected]] On Behalf Of Tang, Changqing Sent: Monday, September 13, 2010 4:27 PM To: [email protected] Subject: [ofw] How many QPs are used so far? HI, Our application sometimes report ibv_create_qp() error. Our system has 69G memory and set lockable memory to unlimited. So I wonder running out of QP number is more suspicious than running out of memory. Is there a way to query how many QPs are used at the point of ibv_create_qp() failure ? Thank you in advance. --CQ Hewlett-Packard BIS
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