[rds-devel] QP error event with RDS

[Venkat Venkatsubra]

Hello, 



Status 12 is IB_WC_RETRY_EXC_ERR (include/rdma/ib_verbs.h). 

The IB transport layer gave up after retrying to transmit  a number of times. 



Can you mail me the rds-info output on the sending  as well as the receiving side ? 

(a snapshot before and after the run) 



Did the receiving side have buffers posted to receive ? 



Venkat 


----- Original Message ----- 
From: c.dittamo at list-group.com 
To: rds-devel at oss.oracle.com 
Sent: Wednesday, May 11, 2011 5:38:42 AM GMT -06:00 US/Canada Central 
Subject: [rds-devel] QP error event with RDS 





Hi, 

I am hitting the following QP error 

RDS/IB: send completion on address had status 12, disconnecting and reconnecting 

during my application execution on a Linux RHEL5.5 (kernel 2.6.32.32). 

My application is a 4 nodes distributed client-server program that leverages the RDS features (i.e. sendmsg and recvmsg) only, i.e. without RDMA. I checked all cables connections and they are fine. All IB (Mellanox) drivers were loaded. 

Any ideas why RDS returns this error? 

Thank you. 









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