[rds-devel] [PATCH] RDS/IB+IW: Another stall/shutdown hang fix.

[Andy Grover]

Steve Wise wrote:
> From: Steve Wise <swise at opengridcomputing.com>
> 
> Currently if an RDS ACK is posted and there are unsignaled SEND wrs
> pending in the send ring, then the completion of the RDS ACK will _not_
> reap those unsignaled SENDS from the send ring.  If no more data is sent
> on that connection and the connection is shutdown (like via a rmmod)
> then the shutdown will hang.  I also see a flow control deadlock in this
> same state.
> 
> The solution is to always make the last send wr posted signaled before
> flow controlling the sender.

Applied all your patches and pushed to future/2009011301. Thanks Steve.

Regards -- Andy