[openib-general] 'Couldn't post send' error?

[Hal Rosenstock]

Hi Troy,

On Fri, 2005-08-12 at 22:42, Troy Benjegerdes wrote:
> What's this mean?
> 
> da4:~/NetPIPE_3.6.2# ibv_rc_pingpong 10.1.5.218
>   local address:  LID 0x0002, QPN 0x0d0404, PSN 0x599dea
>   remote address: LID 0x0001, QPN 0x090404, PSN 0x93b0c8
> Couldn't post send

It means ibv_post_send returned an error. It could mean WQ overflow
(appears to be detected at 2 levels (user space and mthca)), too many
gathers, or opcode invalid.

Are there any mthca errors indicated in the log ?

-- Hal

> I'm trying to get NetPIPE to work again, and it gets a similiar error.
> 
> It looks like 'uc' and 'ud' versions work just fine.