Re: NIU - Sun Neptune 10g - Transmit timed out reset (2.6.24)

[Matheos Worku]

David Miller wrote:

> From: Matheos Worku <Matheos.Worku@xxxxxxx>
> Date: Thu, 29 May 2008 17:14:29 -0700
>
>  
>
> > Actually what I am suggesting was a workaround for the lack of "TX Ring 
> > Empty" interrupt by not relying on the TX interrupt at all.
> >    
>
> Ahh I see.
>
> Some of the things I talked about in my presentation here in
> Berlin at LinuxTAG yesterday can help mitigate the effects.
> Most of it revolves around batching, and allowing the driver
> to manage the backlog of packets directly when the TX queue
> fills up.
>
> In such a case we could batch the TX queue refill, know how many more
> TX packets we will queue up to the chip right now, and therefore know
> that we can safely set periodic MARK bits and only need to force set
> the MARK bit at the very end.
>
>  
>
> > As for the TX hang, I will try to reproduce the problem and look at
> > the registers for the clue.
> >    
Have been trying but not able to reproduce the timeout. I am using NFS 
V3 with TCP. Are you using UDP by any chance?

Regards
Matheos

> Thanks a lot.
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