[ofw] ttcp does not connect when WinSockDirect is disabled?

[Fab Tillier]

Smith, Stan wrote on Tue, 19 Oct 2010 at 12:04:00

> 
> Hello,
>   In running winOFED 2.3 RC4 tests, I find that simple ttcp connections
> no longer work? One of the RC4 changes was that of not enabling WSD by
> default. If one enables WSD then previously failing ttcp.exe tests work
> correctly?

Do you have WSD disabled on both machines?  Does it work if you use some other network?

We never enable WSD in our testing, and IPoIB works fine.  Things should work if only one of the two peers have WSD enabled, as it should fall back to IPoIB, but perhaps something is broken.

-Fab

> svr: ttcp -n 2048 -r (@host 10.10.4.113, where 10.10.4.113 is an IPoIB
> Local Area Connection)
> cli: ttcp -n 2048 -t 10.10.4.113
> This one fails.
> 
> installsp -I    (on both svr & cli systems)
> svr: ttcp -n 2048 -r (@host 10.10.4.113, where 10.10.4.113 is an IPoIB
> Local Area Connection)
> cli: ttcp -n 2048 -t 10.10.4.113
> This one OK works.
> 
> Do installsp -r and ttcp fails again.
> 
> Thoughts on how to correctly fix the issue?
> 
> stan.
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