Re: [E1000-devel] LRO botch with 82598EB 2.0.44.14-NAPI

2009-11-12 Thread Larsen, Roy K
0-de...@lists.sf.net >Subject: Re: [E1000-devel] LRO botch with 82598EB 2.0.44.14-NAPI > >Hi Roy, I am sure we can figure out what is going on, thanks for the >report. > >Can you run one test for me? Please try without the >InterruptThrottleRate driver parameter, but with LRO enabled.

Re: [E1000-devel] LRO botch with 82598EB 2.0.44.14-NAPI

2009-11-12 Thread Jesse Brandeburg
Hi Roy, I am sure we can figure out what is going on, thanks for the report. Can you run one test for me? Please try without the InterruptThrottleRate driver parameter, but with LRO enabled. Since you are here at the same campus as we are I hope I can maybe just get direct access to your machines

[E1000-devel] LRO botch with 82598EB 2.0.44.14-NAPI

2009-11-11 Thread Larsen, Roy K
I believe there is a problem with the software LRO in the ixgbe driver. With LRO enabled, my cluster application hangs where two processes have data to send to each other as indicated by looking at the send queue with netstat(8) but it is not making progress even though the receive queues are e