[openib-general] Unknown SMP Recv
Hal Rosenstock
halr at voltaire.com
Thu Feb 8 20:15:36 PST 2007
On Thu, 2007-02-08 at 19:39, Michael Arndt wrote:
> Hi,
>
> I think I have found the problem. It is the timeout parameter on the
> umad_send function. How exactly I have to handle this parameter? It seems to
> be that it shoult be zero if there is no response exspected. But what value
> should it be if there is a response expected. In a test I used zero for
> SubnGetResp packets because there shouldn't be more packets and 100 for
> SubnGet or SubnSet. But if the router is stressed the umad_send function
> broke down and give an error -5 every thiertieth packet. Any idea or advice?
umad_send takes the timeout in msec. 100 msec is too short. Try
something on the order of seconds. Note also that negative 'timeout_ms'
value makes the kernel wait for the reply forever.
-- Hal
> Thanks Michael
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