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

[Smith, Stan]

Hello all,
  Not to worry; seems my hardware base is no so stable these days.
When pre-RC5 was loaded on a 32 node cluster, ttcp works OK.
Still trying to understand how hardware and WSD or not makes a difference?

stan.


Smith, Stan wrote:
> Fab Tillier wrote:
>> 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?
> Yes
> ttcp fails without WSD as far back as svn.2848
>
> ConnectX on Rx side, infinihost on Tx side.
>
>> Does it work if you use some other network?
> No - using ttcp with IPv4 for Ethernet device also fails.
>
>>
>> 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.
>
> All I do is install via .msi
> set IPoIB LAC IPv4 static address.
> ping
> run ttcp test; it fails.
> installsp -i
> run same ttcp test which now correctly connects and runs.
> installsp -r
> run ttcp test now fails?
>
> I'll verify ftp connectivity.
> Ping works both ways.
> The ttcp issue is a real mystery.
>
>>
>> -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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