Messages in this thread |  | | Date | Mon, 16 Jun 2008 11:09:34 -0700 | From | Matheos Worku <> | Subject | Re: NIU - Sun Neptune 10g - Transmit timed out reset (2.6.24) |
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David Miller wrote:
>From: Matheos Worku <Matheos.Worku@Sun.COM> >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. >-- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > >
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